Civic Intelligence

Thacher Montessori School Inc.

EIN 04-2499107 • 501(c)3 • Milton, MA

Pub. 78 Eligible

View Organization Page

Profile

To provide a diverse, collaborative learning community. Through the montessori method, we embrace each child's unique potential and cultivate a passion for discovery.

1425 Blue Hill AvenueMilton, MA 02186

www.thacherschool.org

Siviq Scores

Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.

Liabilities / Assets

74th percentile

0.39x

Higher debt load relative to assets than 74% of similar nonprofits.

501(c)3 • $5M-$10M nonprofits • Source year 2025

Liabilities / Revenue

81st percentile

0.76x

Higher debt load relative to revenue than 81% of similar nonprofits.

501(c)3 • $5M-$10M nonprofits • Source year 2025

Net Margin

47th percentile

3.0%

Higher net margin than 47% of similar nonprofits.

501(c)3 • $5M-$10M nonprofits • Source year 2025

Top Officer Pay

79th percentile

$225,001

Higher top officer pay than 79% of similar nonprofits.

Top officer pay equals 6.5% of source-year revenue.

501(c)3 • $5M-$10M nonprofits • Source year 2025

Asset Growth

41st percentile

1.5%

Faster asset growth than 41% of similar nonprofits.

501(c)3 • $5M-$10M nonprofits • Annualized from 2024 to 2025

Revenue Growth

33rd percentile

-1.0%

Faster revenue growth than 33% of similar nonprofits.

501(c)3 • $5M-$10M nonprofits • Annualized from 2024 to 2025

Balance Sheet
Liabilities / Assets74th percentile

Assets

Up

$6,673,266

Up $96,910 (+1.5%) from 2024

Liabilities

Down

$2,626,724

Down $218,311 (-7.7%) from 2024

Net Assets

Up

$4,046,542

Up $315,221 (+8.4%) from 2024

Operations
Liabilities / Revenue81st percentileNet Margin47th percentile

Revenue

Down

$3,447,097

Down $35,818 (-1.0%) from 2024

Expenses

Down

$3,343,351

Down $820,943 (-20%) from 2024

Net Income

Up

$103,746

Up $785,125 (+115%) from 2024

Trend Graphs

Balance Sheet Trend

Asset Growth41st percentile

Grouped bars show assets, liabilities, and net assets across loaded filings.

$10M$5.0M$0Assets 2010: $9,824,006Liabilities 2010: $7,008,773Net Assets 2010: $2,815,2332010Assets 2011: $9,857,097Liabilities 2011: $6,826,409Net Assets 2011: $3,030,6882011Assets 2012: $9,864,774Liabilities 2012: $7,065,874Net Assets 2012: $2,798,9002012Assets 2013: $9,558,461Liabilities 2013: $6,525,063Net Assets 2013: $3,033,3982013Assets 2014: $9,515,666Liabilities 2014: $6,834,961Net Assets 2014: $2,680,7052014Assets 2015: $7,506,493Liabilities 2015: $4,857,001Net Assets 2015: $2,649,4922015Assets 2016: $7,471,442Liabilities 2016: $4,999,369Net Assets 2016: $2,472,0732016Assets 2017: $7,076,015Liabilities 2017: $4,642,258Net Assets 2017: $2,433,7572017Assets 2018: $5,662,065Liabilities 2018: $3,431,623Net Assets 2018: $2,230,4422018Assets 2019: $5,734,351Liabilities 2019: $3,372,089Net Assets 2019: $2,362,2622019Assets 2020: $5,921,062Liabilities 2020: $3,259,037Net Assets 2020: $2,662,0252020Assets 2021: $6,019,700Liabilities 2021: $3,074,136Net Assets 2021: $2,945,5642021Assets 2022: $5,877,687Liabilities 2022: $3,033,428Net Assets 2022: $2,844,2592022Assets 2023: $6,576,693Liabilities 2023: $2,590,156Net Assets 2023: $3,986,5372023Assets 2024: $6,576,356Liabilities 2024: $2,845,035Net Assets 2024: $3,731,3212024Assets 2025: $6,673,266Liabilities 2025: $2,626,724Net Assets 2025: $4,046,5422025

Highlighted filing

2025

Assets$6,673,266
Liabilities$2,626,724
Net Assets$4,046,542
Open 2025 Filing

Operations Trend

Revenue Growth33rd percentile

Revenue, expenses, and net income by year, with the latest filing highlighted.

$6.0M$4.0M$2.0M$0-$2.0MExpenses 2010: $3,518,4592010Revenue 2011: $3,841,159Expenses 2011: $3,646,217Net Income 2011: $194,9422011Revenue 2012: $3,837,817Expenses 2012: $3,942,883Net Income 2012: -$105,0662012Revenue 2013: $3,970,988Expenses 2013: $4,012,630Net Income 2013: -$41,6422013Revenue 2014: $3,738,107Expenses 2014: $4,067,587Net Income 2014: -$329,4802014Revenue 2015: $4,121,846Expenses 2015: $4,157,841Net Income 2015: -$35,9952015Revenue 2016: $4,144,312Expenses 2016: $4,387,292Net Income 2016: -$242,9802016Revenue 2017: $4,291,831Expenses 2017: $4,531,390Net Income 2017: -$239,5592017Revenue 2018: $4,498,316Expenses 2018: $4,658,442Net Income 2018: -$160,1262018Revenue 2019: $4,238,181Expenses 2019: $4,121,196Net Income 2019: $116,9852019Revenue 2020: $4,108,940Expenses 2020: $3,971,371Net Income 2020: $137,5692020Revenue 2021: $3,094,675Expenses 2021: $3,137,936Net Income 2021: -$43,2612021Revenue 2022: $3,549,396Expenses 2022: $3,322,577Net Income 2022: $226,8192022Revenue 2023: $4,490,044Expenses 2023: $3,506,696Net Income 2023: $983,3482023Revenue 2024: $3,482,915Expenses 2024: $4,164,294Net Income 2024: -$681,3792024Revenue 2025: $3,447,097Expenses 2025: $3,343,351Net Income 2025: $103,7462025

Highlighted filing

2025

Revenue$3,447,097
Expenses$3,343,351
Net Income$103,746
Open 2025 Filing

Filings

Most recent year

2025 • Form 990Detailed filing. Detailed filing data is available for this year.

Open filing
Assets
$6,673,266
Liabilities
$2,626,724
Net assets
$4,046,542
Revenue
$3,447,097
Expenses
$3,343,351
Net income
$103,746
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2025Detailed filing. Detailed filing data is available for this year.$6.67$2.63$4.05$3.45$3.34$0.10
2024Detailed filing. Detailed filing data is available for this year.$6.58$2.85$3.73$3.48$4.16$0.68
2023Detailed filing. Detailed filing data is available for this year.$6.58$2.59$3.99$4.49$3.51$0.98
2022Detailed filing. Detailed filing data is available for this year.$5.88$3.03$2.84$3.55$3.32$0.23
2021Facts available. Structured filing facts are available, but richer extracted sections are limited.$6.02$3.07$2.95$3.09$3.14$0.04
2020Detailed filing. Detailed filing data is available for this year.$5.92$3.26$2.66$4.11$3.97$0.14
2019Detailed filing. Detailed filing data is available for this year.$5.73$3.37$2.36$4.24$4.12$0.12
2018Detailed filing. Detailed filing data is available for this year.$5.66$3.43$2.23$4.50$4.66$0.16
2017Detailed filing. Detailed filing data is available for this year.$7.08$4.64$2.43$4.29$4.53$0.24
2016Detailed filing. Detailed filing data is available for this year.$7.47$5.00$2.47$4.14$4.39$0.24
2015Detailed filing. Detailed filing data is available for this year.$7.51$4.86$2.65$4.12$4.16$0.04
2014Detailed filing. Detailed filing data is available for this year.$9.52$6.83$2.68$3.74$4.07$0.33
2013Facts available. Structured filing facts are available, but richer extracted sections are limited.$9.56$6.53$3.03$3.97$4.01$0.04
2012Summary only. Only limited summary data is available for this year.$9.86$7.07$2.80$3.84$3.94$0.11
2011Summary only. Only limited summary data is available for this year.$9.86$6.83$3.03$3.84$3.65$0.19
2010Facts available. Structured filing facts are available, but richer extracted sections are limited.$9.82$7.01$2.82$3.52
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Sep 1, 2024 to Jun 30, 2025
Signed
Jan 29, 2026
Return Version
2024v5.0
Gross Receipts
$3,819,011
Mission and Program Overview

Mission

To provide a diverse, collaborative learning community. Through the montessori method, we embrace each child's unique potential and cultivate a passion for discovery.

Balance Sheet Detail
LineBeginningEndChange
Assets
Land, Buildings, and Equipment, Net$3,097,277$2,971,250▼ $126,027
Investments in Publicly Traded Securities$2,991,336$2,693,087▼ $298,249
Savings and Temporary Cash Investments$236,784$549,586▲ $312,802
Cash and Non-Interest-Bearing Accounts$197,211$289,962▲ $92,751
Accounts Receivable$9,825$122,048▲ $112,223
Prepaid Expenses and Deferred Charges$43,923$47,333▲ $3,410
Total Assets$6,576,356$6,673,266▲ $96,910
Liabilities
Mortgage Notes Payable Secured by Investment Property$1,682,320$1,632,530▼ $49,790
Deferred Revenue$863,405$737,237▼ $126,168
Accounts Payable and Accrued Expenses$299,310$256,957▼ $42,353
Total Liabilities$2,845,035$2,626,724▼ $218,311
Net Assets / Fund Balance
Net Assets Without Donor Restrictions$3,419,283$3,775,120▲ $355,837
Net Assets With Donor Restrictions$312,038$271,422▼ $40,616
Total Net Assets Fund Balance$3,731,321$4,046,542▲ $315,221
Total Liabilities and Net Assets / Fund Balance$6,576,356$6,673,266▲ $96,910

Asset Categories

AssetBook ValueDepreciationBasis
Buildings$2,478,864$3,417,515$5,896,379
Land$325,004-$325,004
Equipment$112,465$203,637$316,102
Other Land Buildings$54,917$201,073$255,990

Endowment Activity

PeriodBeginningContrib.Gain/LossOther UsesEnd
2024$357,373$-50,000▲ $49,530$5,431$351,472
2023$277,855-▲ $79,518-$357,373
2022$200,718$50,000▲ $27,137-$277,855
2021$50,000$150,000▲ $718-$200,718
2020$50,000---$50,000
Compensation and Service Providers
Top Officer Pay79th percentile

Employees

NameTitleFull / Part TimeBaseOtherTotal
Deba DunnFormer Head-$200,740$24,261$225,001
Deba DunnFormer Head of Schl-$200,740$24,261$225,001
Michelle SeyllerHead of SchoFT$163,349$7,738$171,087
Michelle SeyllerHead of School-$163,125$7,962$171,087
Vicky VarnumBusiness ManFT$88,008$8,840$96,848

Board Members and Trustees

NameTitle
Carl TreichelChair
Elizabeth LazarTrustee
Michelle BritoTrustee
Neil DimaioTrustee
Jeremy AngoffClerk
Richard SaulTreasurer
Revenue and Support

Revenue Composition

Contributions and Grants
$62,348
Program Service Revenue
$3,303,517
Investment Income
$70,921
Other Revenue
$10,311
All Other Contributions
$62,348
Change in Net Assets
$103,746

Audited Revenue Reconciliation

Revenue per Audited Statements
$3,047,185
Revenue Not Reported on Financial Statements
$399,912
Revenue Not Reported on Form 990
$211,475
Other Revenue Adjustments
$387,500
Total Revenue per Audited Statements
$3,258,660
Total Revenue per Form 990
$3,447,097
Expenses and Functional Allocation

Major Expense Lines

Line ItemAmount
Salaries, Compensation, and Employee Benefits$2,254,738
Other Expenses$751,113
Grants and Similar Amounts Paid$337,500
Total Fundraising Expense$77,557
Professional Fundraising Fees$0

Functional Expense Allocation

Line ItemProgramManagementFundraisingTotal
Other Salaries and Wages$1,302,579$381,508$7,660$1,691,747
Grants to Domestic Individuals$337,500--$337,500
Current Officers, Directors, Trustees, and Key Employees-$223,085$47,650$270,735
Payroll Taxes$121,310$36,988$4,558$162,856
Occupancy$103,089$47,849$4,377$155,315
Depreciation Depletion$83,649$38,826$3,552$126,027
Information Technology$77,937$36,174$3,309$117,420
Pension Plan Contributions$60,331$18,567$2,272$81,170
Interest$40,156$18,638$1,705$60,499
Office Expenses$17,245$32,552$3$49,800
Other Employee Benefits$35,926$11,013$1,291$48,230
Insurance$27,781$12,895$1,180$41,856
Advertising$3,036$21,827-$24,863
Conferences and Meetings$20,304$2,818-$23,122
Fees for Services Accounting-$22,985-$22,985
Other Expenses$17,760$50,000-$17,760
Fees for Service Investment Mgmnt Fees-$12,412-$12,412
Fees for Services Other$9,165$1,275-$10,440
Fees for Services Legal-$2,074-$2,074
Total Functional Expenses$2,294,308$971,486$77,557$3,343,351

Audited Expense Reconciliation

Line ItemAmount
Total Expenses per Form 990$3,343,351
Expenses per Audited Statements$2,943,439
Total Expenses per Audited Statements$2,943,439
Expenses Not Reported on Financial Statements$399,912
Other Expense Adjustments$387,500
Fundraising, Events, and Gaming
Fundraising activities
No
Gaming activities
No
Professional fundraiser used
No

Fundraising and Gaming Totals

Line ItemAmount
Professional Fundraising Fees$0
Political and Lobbying Activity
Political campaign activity
No
Lobbying activity
No
Subject to proxy tax
No
Insider Transactions and Loans

Interested-Person Transactions

Interested PartyRelationshipDescriptionShared RevenueAmount
Jeremy AngoffTrusteeConsultingNo$68,065
Board of TrusteesTrusteesTuition/feesNo$27,700
Governance and Compliance

Governance Checklist

Compiled or reviewed by an accountant
No
Annual disclosure for covered persons
Yes
Audit committee
Yes
Backup withholding compliance
Yes
Business relationship with 35% controlled entity
No
Business relationship with family members
No
Business relationship with organization members
Yes
Material changes to governing documents
No
Compensation from other sources disclosed
No
CEO compensation reviewed
Yes
Other officer compensation reviewed
Yes
Conflict-of-interest policy
Yes
Audited financial statements prepared
No
Key decisions subject to board approval
No
Management duties delegated
No

Governance Explanations

Form 990, Page 6, Part VI, Line 11B

“A copy of the 990 is provided to the full board of directors and is thoroughly reviewed before it is filed.”

Form 990, Page 6, Part VI, Line 12C

“All board members and officers are required to complete a conflict of interest form annually.”

Form 990, Page 6, Part VI, Line 15A

“The head of school has a three year contract. Upon renewal, a comparative salary study is conducted by the board. The increase during the first two years is consistent with all employees and is based upon the cost of living percentage determined by the social security administration.”

Form 990, Page 6, Part VI, Line 15B

“Key employee compensation is based upon a comparative salary study performed by the board during the initial hiring. Cost of living adjustments are made every year thereafter, the amount of which is determined by the social security administration.”

Form 990, Page 6, Part VI, Line 19

“The school's governing documents, financial statements, and conflict of interest policy are available to the public upon request.”

Filing and Contact Details

Filer

Filer Name
Thacher Montessori School Inc
EIN
04-2499107
Phone
6173612522
Address
1425 BLUE HILL AVENUE, MILTON, MA 02186

Signing Officer

Name
Carl Treichel
Title
Chair
Phone
6173612522
Signed
2026-01-29
Discuss with paid preparer
Yes

Organization Details

Principal Officer
Michelle Seyller
Formed
1971
Legal Domicile
Ma
Voting Board Members
6
Independent Board Members
5
Employees
65
Volunteers
15

Preparer

Firm
Worthington Hughes & Hoar Pc
Address
400 W CUMMINGS PARK STE 3000, WOBURN, MA 01801-6592
Preparer
Anthony F Caruso
Phone
7813053534
Supplemental Narrative

Financial Statement Notes

Schedule D, Page 2, Part V, Line 4

“To provide tuition assistance in order to facilitate access to the school for children and families with limited socio-economic means”

Schedule D, Page 4, Part XI, Line 4B

“Financial aid and scholarship awards 337,500 contribution returned to donor 50,000”

Schedule D, Page 4, Part XII, Line 4B

“Financial aid and scholarship awards 337,500 contribution returned to donor 50,000”

Raw XML AppendixShowing 400 of 528 raw XML fields

This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.

Path#Value
IRS990/AccountantCompileOrReviewInd0false
IRS990/AccountsPayableAccrExpnssGrp/BOYAmt0299310
IRS990/AccountsPayableAccrExpnssGrp/EOYAmt0256957
IRS990/AccountsReceivableGrp/BOYAmt09825
IRS990/AccountsReceivableGrp/EOYAmt0122048
IRS990/ActivitiesConductedPrtshpInd0false
IRS990/ActivityOrMissionDesc0TO PROVIDE A DIVERSE, COLLABORATIVE LEARNING COMMUNITY. THROUGH THE MONTESSORI METHOD, WE EMBRACE EACH CHILD'S UNIQUE POTENTIAL AND CULTIVATE A PASSION FOR DISCOVERY.
IRS990/AdvertisingGrp/ManagementAndGeneralAmt021827
IRS990/AdvertisingGrp/ProgramServicesAmt03036
IRS990/AdvertisingGrp/TotalAmt024863
IRS990/AllOtherContributionsAmt062348
IRS990/AnnualDisclosureCoveredPrsnInd0true
IRS990/AuditCommitteeInd0true
IRS990/BackupWthldComplianceInd0true
IRS990/BooksInCareOfDetail/PersonNm0VICKY VARNUM
IRS990/BooksInCareOfDetail/PhoneNum06173612522
IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt01425 BLUE HILL AVENUE
IRS990/BooksInCareOfDetail/USAddress/CityNm0MILTON
IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd0MA
IRS990/BooksInCareOfDetail/USAddress/ZIPCd002186
IRS990/BusinessRlnWith35CtrlEntInd0false
IRS990/BusinessRlnWithFamMemInd0false
IRS990/BusinessRlnWithOrgMemInd0true
IRS990/CashNonInterestBearingGrp/BOYAmt0197211
IRS990/CashNonInterestBearingGrp/EOYAmt0289962
IRS990/ChangeToOrgDocumentsInd0false
IRS990/CollectionsOfArtInd0false
IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt047650
IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt0223085
IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt0270735
IRS990/CompensationFromOtherSrcsInd0false
IRS990/CompensationProcessCEOInd0true
IRS990/CompensationProcessOtherInd0true
IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt02818
IRS990/ConferencesMeetingsGrp/ProgramServicesAmt020304
IRS990/ConferencesMeetingsGrp/TotalAmt023122
IRS990/ConflictOfInterestPolicyInd0true
IRS990/ConservationEasementsInd0false
IRS990/ConsolidatedAuditFinclStmtInd0false
IRS990/CreditCounselingInd0false
IRS990/CYBenefitsPaidToMembersAmt00
IRS990/CYContributionsGrantsAmt062348
IRS990/CYGrantsAndSimilarPaidAmt0337500
IRS990/CYInvestmentIncomeAmt070921
IRS990/CYOtherExpensesAmt0751113
IRS990/CYOtherRevenueAmt010311
IRS990/CYProgramServiceRevenueAmt03303517
IRS990/CYRevenuesLessExpensesAmt0103746
IRS990/CYSalariesCompEmpBnftPaidAmt02254738
IRS990/CYTotalExpensesAmt03343351
IRS990/CYTotalFundraisingExpenseAmt077557
IRS990/CYTotalProfFndrsngExpnsAmt00
IRS990/CYTotalRevenueAmt03447097
IRS990/DecisionsSubjectToApprovaInd0false
IRS990/DeductibleArtContributionInd0false
IRS990/DeductibleNonCashContriInd0false
IRS990/DeferredRevenueGrp/BOYAmt0863405
IRS990/DeferredRevenueGrp/EOYAmt0737237
IRS990/DelegationOfMgmtDutiesInd0false
IRS990/DepreciationDepletionGrp/FundraisingAmt03552
IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt038826
IRS990/DepreciationDepletionGrp/ProgramServicesAmt083649
IRS990/DepreciationDepletionGrp/TotalAmt0126027
IRS990/Desc0WE EMPOWER CHILDREN TO ACHIEVE ACADEMIC EXCELLENCE AND BECOME CONFIDENT, COMPASSIONATE, AND PROACTIVE MEMBERS OF THE WORLD COMMUNITY. PROVIDING INDEPENDENT EDUCATIONAL SERVICES TO APPROXIMATELY 115 STUDENTS, WITH APPROXIMATELY 33 RECEIVING FINANCIAL AID, PRE-SCHOOL THROUGH EIGHTH GRADE, ON A RACIALLY NONDISCRIMINATORY BASIS USING THE MONTESSORI EDUCATIONAL METHOD.
IRS990/DescribedInSection501c3Ind0true
IRS990/DisregardedEntityInd0false
IRS990/DocumentRetentionPolicyInd0true
IRS990/DonorAdvisedFundInd0false
IRS990/DonorRestrictionNetAssetsGrp/BOYAmt0312038
IRS990/DonorRestrictionNetAssetsGrp/EOYAmt0271422
IRS990/DonorRstrOrQuasiEndowmentsInd0true
IRS990/ElectionOfBoardMembersInd0false
IRS990/EmployeeCnt065
IRS990/EmploymentTaxReturnsFiledInd0true
IRS990/EngagedInExcessBenefitTransInd0false
IRS990/ExpenseAmt02294308
IRS990/FamilyOrBusinessRlnInd0false
IRS990/FederalGrantAuditRequiredInd0false
IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt022985
IRS990/FeesForServicesAccountingGrp/TotalAmt022985
IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt02074
IRS990/FeesForServicesLegalGrp/TotalAmt02074
IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt01275
IRS990/FeesForServicesOtherGrp/ProgramServicesAmt09165
IRS990/FeesForServicesOtherGrp/TotalAmt010440
IRS990/FeesForSrvcInvstMgmntFeesGrp/ManagementAndGeneralAmt012412
IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt012412
IRS990/ForeignActivitiesInd0false
IRS990/ForeignFinancialAccountInd0false
IRS990/ForeignOfficeInd0false
IRS990/Form1098CFiledInd0false
IRS990/Form8282PropertyDisposedOfInd0false
IRS990/Form8899Filedind0false
IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt040.00
IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt140.00
IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt22.00
IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt32.00
IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt42.00
IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt52.00
IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt62.00
IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt72.00
IRS990/Form990PartVIISectionAGrp/FormerOfcrDirectorTrusteeInd0X
IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd0X
IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd1X
IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd2X
IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd3X
IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd4X
IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd5X
IRS990/Form990PartVIISectionAGrp/OfficerInd0X
IRS990/Form990PartVIISectionAGrp/OfficerInd1X
IRS990/Form990PartVIISectionAGrp/OfficerInd2X
IRS990/Form990PartVIISectionAGrp/OfficerInd3X
IRS990/Form990PartVIISectionAGrp/OfficerInd4X
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt07738
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt18840
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt20
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt30
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt40
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt50
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt60
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt70
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt824261
IRS990/Form990PartVIISectionAGrp/PersonNm0MICHELLE SEYLLER
IRS990/Form990PartVIISectionAGrp/PersonNm1VICKY VARNUM
IRS990/Form990PartVIISectionAGrp/PersonNm2CARL TREICHEL
IRS990/Form990PartVIISectionAGrp/PersonNm3RICHARD SAUL
IRS990/Form990PartVIISectionAGrp/PersonNm4JEREMY ANGOFF
IRS990/Form990PartVIISectionAGrp/PersonNm5NEIL DIMAIO
IRS990/Form990PartVIISectionAGrp/PersonNm6MICHELLE BRITO
IRS990/Form990PartVIISectionAGrp/PersonNm7ELIZABETH LAZAR
IRS990/Form990PartVIISectionAGrp/PersonNm8DEBA DUNN
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt0163349
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt188008
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt20
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt30
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt40
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt50
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt60
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt70
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt8200740
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt00
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt10
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt20
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt30
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt40
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt50
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt60
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt70
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt80
IRS990/Form990PartVIISectionAGrp/TitleTxt0HEAD OF SCHO
IRS990/Form990PartVIISectionAGrp/TitleTxt1BUSINESS MAN
IRS990/Form990PartVIISectionAGrp/TitleTxt2CHAIR
IRS990/Form990PartVIISectionAGrp/TitleTxt3TREASURER
IRS990/Form990PartVIISectionAGrp/TitleTxt4CLERK
IRS990/Form990PartVIISectionAGrp/TitleTxt5TRUSTEE
IRS990/Form990PartVIISectionAGrp/TitleTxt6TRUSTEE
IRS990/Form990PartVIISectionAGrp/TitleTxt7TRUSTEE
IRS990/Form990PartVIISectionAGrp/TitleTxt8FORMER HEAD
IRS990/Form990ProvidedToGvrnBodyInd0true
IRS990/FormationYr01971
IRS990/FormerOfcrEmployeesListedInd0true
IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd0X
IRS990/FSAuditedInd0true
IRS990/FundraisingActivitiesInd0false
IRS990/GainOrLossGrp/SecuritiesAmt019752
IRS990/GamingActivitiesInd0false
IRS990/GoverningBodyVotingMembersCnt06
IRS990/GrantAmt0337500
IRS990/GrantsToDomesticIndividualsGrp/ProgramServicesAmt0337500
IRS990/GrantsToDomesticIndividualsGrp/TotalAmt0337500
IRS990/GrantsToIndividualsInd0true
IRS990/GrantsToOrganizationsInd0false
IRS990/GrantToRelatedPersonInd0false
IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt0391666
IRS990/GrossReceiptsAmt03819011
IRS990/GroupReturnForAffiliatesInd0false
IRS990/IncludeFIN48FootnoteInd0false
IRS990/IndependentAuditFinclStmtInd0true
IRS990/IndependentVotingMemberCnt05
IRS990/IndivRcvdGreaterThan100KCnt02
IRS990/IndoorTanningServicesInd0false
IRS990/InfoInScheduleOPartVIInd0X
IRS990/InformationTechnologyGrp/FundraisingAmt03309
IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt036174
IRS990/InformationTechnologyGrp/ProgramServicesAmt077937
IRS990/InformationTechnologyGrp/TotalAmt0117420
IRS990/InsuranceGrp/FundraisingAmt01180
IRS990/InsuranceGrp/ManagementAndGeneralAmt012895
IRS990/InsuranceGrp/ProgramServicesAmt027781
IRS990/InsuranceGrp/TotalAmt041856
IRS990/InterestGrp/FundraisingAmt01705
IRS990/InterestGrp/ManagementAndGeneralAmt018638
IRS990/InterestGrp/ProgramServicesAmt040156
IRS990/InterestGrp/TotalAmt060499
IRS990/InvestmentIncomeGrp/ExclusionAmt051169
IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt051169
IRS990/InvestmentInJointVentureInd0false
IRS990/InvestmentsPubTradedSecGrp/BOYAmt02991336
IRS990/InvestmentsPubTradedSecGrp/EOYAmt02693087
IRS990/IRPDocumentCnt013
IRS990/IRPDocumentW2GCnt00
IRS990/LandBldgEquipAccumDeprecAmt03822225
IRS990/LandBldgEquipBasisNetGrp/BOYAmt03097277
IRS990/LandBldgEquipBasisNetGrp/EOYAmt02971250
IRS990/LandBldgEquipCostOrOtherBssAmt06793475
IRS990/LegalDomicileStateCd0MA
IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt0371914
IRS990/LoanOutstandingInd0false
IRS990/LobbyingActivitiesInd0false
IRS990/LocalChaptersInd0false
IRS990/MaterialDiversionOrMisuseInd0false
IRS990/MembersOrStockholdersInd0false
IRS990/MethodOfAccountingAccrualInd0X
IRS990/MinutesOfCommitteesInd0true
IRS990/MinutesOfGoverningBodyInd0true
IRS990/MissionDesc0TO PROVIDE A DIVERSE, COLLABORATIVE LEARNING COMMUNITY. THROUGH THE MONTESSORI METHOD, WE EMBRACE EACH CHILD'S UNIQUE POTENTIAL AND CULTIVATE A PASSION FOR DISCOVERY.
IRS990/MoreThan5000KToIndividualsInd0false
IRS990/MoreThan5000KToOrgInd0false
IRS990/MortgNotesPyblScrdInvstPropGrp/BOYAmt01682320
IRS990/MortgNotesPyblScrdInvstPropGrp/EOYAmt01632530
IRS990/NetAssetsOrFundBalancesBOYAmt03731321
IRS990/NetAssetsOrFundBalancesEOYAmt04046542
IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt019752
IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt019752
IRS990/NetUnrlzdGainsLossesInvstAmt0211475
IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt03419283
IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt03775120
IRS990/NondeductibleContributionsInd0false
IRS990/OccupancyGrp/FundraisingAmt04377
IRS990/OccupancyGrp/ManagementAndGeneralAmt047849
IRS990/OccupancyGrp/ProgramServicesAmt0103089
IRS990/OccupancyGrp/TotalAmt0155315
IRS990/OfficeExpensesGrp/FundraisingAmt03
IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt032552
IRS990/OfficeExpensesGrp/ProgramServicesAmt017245
IRS990/OfficeExpensesGrp/TotalAmt049800
IRS990/OfficerMailingAddressInd0false
IRS990/OperateHospitalInd0false
IRS990/Organization501c3Ind0X
IRS990/OrganizationFollowsFASB117Ind0X
IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt01291
IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt011013
IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt035926
IRS990/OtherEmployeeBenefitsGrp/TotalAmt048230
IRS990/OtherExpensesGrp/Desc0CONTRIBUTION RETURNED
IRS990/OtherExpensesGrp/Desc1EDUCATIONAL MATERIALS
IRS990/OtherExpensesGrp/Desc2FIELD TRIPS & ENRICHMENTS
IRS990/OtherExpensesGrp/ManagementAndGeneralAmt050000
IRS990/OtherExpensesGrp/ProgramServicesAmt036540
IRS990/OtherExpensesGrp/ProgramServicesAmt117760
IRS990/OtherExpensesGrp/TotalAmt050000
IRS990/OtherExpensesGrp/TotalAmt136540
IRS990/OtherExpensesGrp/TotalAmt217760
IRS990/OtherRevenueMiscGrp/Desc0MISCELLANEOUS REVENUE
IRS990/OtherRevenueMiscGrp/RelatedOrExemptFuncIncomeAmt010311
IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt010311
IRS990/OtherRevenueTotalAmt010311
IRS990/OtherSalariesAndWagesGrp/FundraisingAmt07660
IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt0381508
IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt01302579
IRS990/OtherSalariesAndWagesGrp/TotalAmt01691747
IRS990/PartialLiquidationInd0false
IRS990/PayPremiumsPrsnlBnftCntrctInd0false
IRS990/PayrollTaxesGrp/FundraisingAmt04558
IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt036988
IRS990/PayrollTaxesGrp/ProgramServicesAmt0121310
IRS990/PayrollTaxesGrp/TotalAmt0162856
IRS990/PensionPlanContributionsGrp/FundraisingAmt02272
IRS990/PensionPlanContributionsGrp/ManagementAndGeneralAmt018567
IRS990/PensionPlanContributionsGrp/ProgramServicesAmt060331
IRS990/PensionPlanContributionsGrp/TotalAmt081170
IRS990/PoliticalCampaignActyInd0false
IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt043923
IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt047333
IRS990/PrincipalOfficerNm0MICHELLE SEYLLER
IRS990/ProfessionalFundraisingInd0false
IRS990/ProgramServiceRevenueGrp/BusinessCd0611600
IRS990/ProgramServiceRevenueGrp/Desc0TUITION AND RELATED FEES
IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt03303517
IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt03303517
IRS990/ProhibitedTaxShelterTransInd0false
IRS990/PYContributionsGrantsAmt078138
IRS990/PYExcessBenefitTransInd0false
IRS990/PYGrantsAndSimilarPaidAmt0451350
IRS990/PYInvestmentIncomeAmt049287
IRS990/PYOtherExpensesAmt0828531
IRS990/PYOtherRevenueAmt09194
IRS990/PYProgramServiceRevenueAmt03346296
IRS990/PYRevenuesLessExpensesAmt0-681379
IRS990/PYSalariesCompEmpBnftPaidAmt02884413
IRS990/PYTotalExpensesAmt04164294
IRS990/PYTotalRevenueAmt03482915
IRS990/QuidProQuoContributionsInd0false
IRS990/RcvFndsToPayPrsnlBnftCntrctInd0false
IRS990/ReconcilationRevenueExpnssAmt0103746
IRS990/RegularMonitoringEnfrcInd0true
IRS990/RelatedEntityInd0false
IRS990/RelatedOrganizationCtrlEntInd0false
IRS990/ReportInvestmentsOtherSecInd0false
IRS990/ReportLandBuildingEquipmentInd0true
IRS990/ReportOtherAssetsInd0false
IRS990/ReportOtherLiabilitiesInd0false
IRS990/ReportProgramRelatedInvstInd0false
IRS990/RevenueAmt03303517
IRS990/SavingsAndTempCashInvstGrp/BOYAmt0236784
IRS990/SavingsAndTempCashInvstGrp/EOYAmt0549586
IRS990ScheduleA/SchoolInd0X
IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine10RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorNum0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine10RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine20RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt0RESTRICTED
IRS990/ScheduleBRequiredInd0true
IRS990ScheduleD/BoardDesignatedBalanceEOYPct00.75000
IRS990ScheduleD/BuildingsGrp/BookValueAmt02478864
IRS990ScheduleD/BuildingsGrp/DepreciationAmt03417515
IRS990ScheduleD/BuildingsGrp/OtherCostOrOtherBasisAmt05896379
IRS990ScheduleD/CYEndwmtFundGrp/BeginningYearBalanceAmt0357373
IRS990ScheduleD/CYEndwmtFundGrp/ContributionsAmt0-50000
IRS990ScheduleD/CYEndwmtFundGrp/EndYearBalanceAmt0351472
IRS990ScheduleD/CYEndwmtFundGrp/InvestmentEarningsOrLossesAmt049530
IRS990ScheduleD/CYEndwmtFundGrp/OtherExpendituresAmt05431
IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/BeginningYearBalanceAmt0277855
IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/EndYearBalanceAmt0357373
IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt079518
IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/BeginningYearBalanceAmt0200718
IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/ContributionsAmt050000
IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/EndYearBalanceAmt0277855
IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt027137
IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/BeginningYearBalanceAmt050000
IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/ContributionsAmt0150000
IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/EndYearBalanceAmt0200718
IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt0718
IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/BeginningYearBalanceAmt050000
IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/EndYearBalanceAmt050000
IRS990ScheduleD/EndowmentsHeldRelatedOrgInd0false
IRS990ScheduleD/EndowmentsHeldUnrelatedOrgInd0false
IRS990ScheduleD/EquipmentGrp/BookValueAmt0112465
IRS990ScheduleD/EquipmentGrp/DepreciationAmt0203637
IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt0316102
IRS990ScheduleD/ExpensesNotRptFinclStmtAmt0399912
IRS990ScheduleD/ExpensesSubtotalAmt02943439
IRS990ScheduleD/InvestmentExpensesNotIncld2Amt012412
IRS990ScheduleD/InvestmentExpensesNotIncldAmt012412
IRS990ScheduleD/LandGrp/BookValueAmt0325004
IRS990ScheduleD/LandGrp/OtherCostOrOtherBasisAmt0325004
IRS990ScheduleD/NetUnrealizedGainsInvstAmt0211475
IRS990ScheduleD/OtherExpensesNotIncludedAmt0387500
IRS990ScheduleD/OtherLandBuildingsGrp/BookValueAmt054917
IRS990ScheduleD/OtherLandBuildingsGrp/DepreciationAmt0201073
IRS990ScheduleD/OtherLandBuildingsGrp/OtherCostOrOtherBasisAmt0255990
IRS990ScheduleD/OtherRevenuesNotIncludedAmt0387500
IRS990ScheduleD/PrmnntEndowmentBalanceEOYPct00.25000
IRS990ScheduleD/RevenueNotReportedAmt0211475
IRS990ScheduleD/RevenueNotReportedFinclStmtAmt0399912
IRS990ScheduleD/RevenueSubtotalAmt03047185
IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt0TO PROVIDE TUITION ASSISTANCE IN ORDER TO FACILITATE ACCESS TO THE SCHOOL FOR CHILDREN AND FAMILIES WITH LIMITED SOCIO-ECONOMIC MEANS
IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt1FINANCIAL AID AND SCHOLARSHIP AWARDS 337,500 CONTRIBUTION RETURNED TO DONOR 50,000
IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt2FINANCIAL AID AND SCHOLARSHIP AWARDS 337,500 CONTRIBUTION RETURNED TO DONOR 50,000
IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc0SCHEDULE D, PAGE 2, PART V, LINE 4
IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc1SCHEDULE D, PAGE 4, PART XI, LINE 4B
IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc2SCHEDULE D, PAGE 4, PART XII, LINE 4B
IRS990ScheduleD/TotalBookValueLandBuildingsAmt02971250
IRS990ScheduleD/TotalExpensesPerForm990Amt03343351
IRS990ScheduleD/TotalRevenuePerForm990Amt03447097
IRS990ScheduleD/TotalRevEtcAuditedFinclStmtAmt03258660
IRS990ScheduleD/TotExpnsEtcAuditedFinclStmtAmt02943439
IRS990ScheduleE/ComplianceWithRevProc7550Ind0true
IRS990ScheduleE/DiscriminateRaceAdmissPlcyInd0false
IRS990ScheduleE/DiscriminateRaceAthltProgInd0false
IRS990ScheduleE/DiscriminateRaceEducPlcyInd0false
IRS990ScheduleE/DiscriminateRaceEmplmFcultyInd0false
IRS990ScheduleE/DiscriminateRaceOtherActyInd0false
IRS990ScheduleE/DiscriminateRaceSchsInd0false
IRS990ScheduleE/DiscriminateRaceStdntsRghtsInd0false
IRS990ScheduleE/DiscriminateRaceUseOfFcltsInd0false
IRS990ScheduleE/GovernmentFinancialAidRcvdInd0false
IRS990ScheduleE/GovernmentFinancialAidRvkdInd0false
IRS990ScheduleE/MaintainCpyOfAllSolInd0true
IRS990ScheduleE/MaintainCpyOfBrochuresEtcInd0true
IRS990ScheduleE/MaintainRacialCompRecsInd0true
IRS990ScheduleE/MaintainScholarshipsRecsInd0true
IRS990ScheduleE/NondiscriminatoryPolicyStmtInd0true
IRS990ScheduleE/PlcyPblczdViaBroadcastMediaInd0true
IRS990ScheduleE/PolicyStmtInBrochuresEtcInd0true
IRS990ScheduleE/SupplementalInformationDetail/ExplanationTxt0THE SCHOOL PUBLICIZES ITS NONDISCRIMINATORY POLICY THROUGH LOCAL NEWSPAPERS ON AN ANNUAL BASIS.
IRS990ScheduleE/SupplementalInformationDetail/FormAndLineReferenceDesc0SCHEDULE E, LINE 3
IRS990ScheduleI/GrantRecordsMaintainedInd0false
IRS990ScheduleI/GrantsOtherAsstToIndivInUSGrp/GrantTypeTxt0FINANCIAL AID
IRS990ScheduleI/GrantsOtherAsstToIndivInUSGrp/NonCashAssistanceAmt0337500
IRS990ScheduleI/GrantsOtherAsstToIndivInUSGrp/NonCashAssistanceDesc0FINANCIAL AID
IRS990ScheduleI/GrantsOtherAsstToIndivInUSGrp/RecipientCnt033
IRS990ScheduleI/GrantsOtherAsstToIndivInUSGrp/ValuationMethodUsedDesc0FMV
IRS990ScheduleI/SupplementalInformationDetail/ExplanationTxt0THE SCHOOL AWARDS FINANCIAL AID AND SCHOLARSHIPS TO STUDENTS AND FAMILIES BASED ON NEED, ON A RACIALLY NON-DISCRIMINATORY BASIS.
IRS990ScheduleI/SupplementalInformationDetail/FormAndLineReferenceDesc0SCHEDULE I, PAGE 4, PART IV
IRS990ScheduleJ/AnyNonFixedPaymentsInd0false
IRS990ScheduleJ/BoardOrCommitteeApprovalInd0X

Document Assets

No mirrored PDF or thumbnail assets are attached yet.