Liabilities / Assets
67th percentile
Higher debt load relative to assets than 67% of similar nonprofits.
EIN 52-1436080 • 501(c)3 • Annapolis, MD
Profile
To provide education to children which is consistent with the teachings of maria montessori.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
67th percentile
Higher debt load relative to assets than 67% of similar nonprofits.
Liabilities / Revenue
84th percentile
Higher debt load relative to revenue than 84% of similar nonprofits.
Net Margin
29th percentile
Higher net margin than 29% of similar nonprofits.
Top Officer Pay
38th percentile
Higher top officer pay than 38% of similar nonprofits.
Top officer pay equals 3.8% of source-year revenue.
Asset Growth
78th percentile
Faster asset growth than 78% of similar nonprofits.
Revenue Growth
26th percentile
Faster revenue growth than 26% of similar nonprofits.
Assets
Up$9,009,332
Up $1,335,382 (+17%) from 2024
Liabilities
Up$2,654,955
Up $1,786,789 (+206%) from 2024
Net Assets
Down$6,354,377
Down $451,407 (-6.6%) from 2024
Revenue
Down$2,679,925
Down $163,015 (-5.7%) from 2024
Expenses
Up$2,760,119
Up $189,527 (+7.4%) from 2024
Net Income
Down-$80,194
Down $352,542 (-129%) from 2024
Most recent year
2025 • Form 990Detailed filing. Detailed filing data is available for this year.
To provide education to children which is consistent with the teachings of Maria Montessori.
To provide a montessori education, guided by association montessori internationale (ami) principles, that fosters the intellectual curiousity and creativity of their students.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Savings and Temporary Cash Investments | $3,131,615 | $3,355,952 | ▲ $224,337 |
| Investments in Publicly Traded Securities | $1,992,142 | $2,018,261 | ▲ $26,119 |
| Land, Buildings, and Equipment, Net | $2,388,820 | $1,997,420 | ▼ $391,400 |
| Accounts Receivable | $1,431,413 | $1,320,922 | ▼ $110,491 |
| Cash and Non-Interest-Bearing Accounts | $126,150 | $71,370 | ▼ $54,780 |
| Prepaid Expenses and Deferred Charges | $30,734 | $34,131 | ▲ $3,397 |
| Total Assets | $9,105,363 | $9,009,332 | ▼ $96,031 |
| Other Assets Total | $4,489 | $211,276 | ▲ $206,787 |
| Liabilities | |||
| Deferred Revenue | $2,154,562 | $2,179,269 | ▲ $24,707 |
| Accounts Payable and Accrued Expenses | $35,767 | $370,886 | ▲ $335,119 |
| Other Liabilities | $109,250 | $104,800 | ▼ $4,450 |
| Total Liabilities | $2,299,579 | $2,654,955 | ▲ $355,376 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $6,789,784 | $6,354,377 | ▼ $435,407 |
| Net Assets With Donor Restrictions | $16,000 | $0 | ▼ $16,000 |
| Total Net Assets Fund Balance | $6,805,784 | $6,354,377 | ▼ $451,407 |
| Total Liabilities and Net Assets / Fund Balance | $9,105,363 | $9,009,332 | ▼ $96,031 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Buildings | $1,245,032 | $1,814,359 | $3,059,391 |
| Land | $598,486 | - | $598,486 |
| Equipment | $145,910 | $361,557 | $507,467 |
| Other Land Buildings | $7,992 | $3,996 | $11,988 |
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| Katherine Sage | Education Director | FT | $99,914 | $1,932 | $101,846 |
| Name | Title |
|---|---|
| Dan Schaivo | Development Chair |
| Caitlin Hannon | President |
| Bridget Faherty | Vice President |
| Kelly Boehringer | Personnel Director |
| Megan Hubbard | Part-year Head of School |
| Amanda Garner | Secretary |
| Scott Fasano | Treasurer |
| Line Item | Amount |
|---|---|
| Salaries, Compensation, and Employee Benefits | $2,068,703 |
| Other Expenses | $691,416 |
| Total Fundraising Expense | $135 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Other Salaries and Wages | $1,198,005 | $357,846 | $0 | $1,555,851 |
| Current Officers, Directors, Trustees, and Key Employees | $152,100 | $45,432 | $0 | $197,532 |
| Other Employee Benefits | $118,018 | $35,253 | $0 | $153,271 |
| Payroll Taxes | $102,540 | $30,629 | $0 | $133,169 |
| All Other Expenses | $107,555 | $10,285 | $135 | $117,975 |
| Depreciation Depletion | $111,001 | $5,842 | $0 | $116,843 |
| Information Technology | $39,360 | $20,277 | $0 | $59,637 |
| Fees for Services Legal | $19,784 | $19,784 | $0 | $39,568 |
| Other Expenses | $0 | $34,506 | $0 | $34,506 |
| Insurance | $15,216 | $15,216 | $0 | $30,432 |
| Occupancy | $24,795 | $4,376 | $0 | $29,171 |
| Pension Plan Contributions | $22,238 | $6,642 | $0 | $28,880 |
| Fees for Service Investment Mgmnt Fees | $0 | $18,330 | $0 | $18,330 |
| Office Expenses | $6,171 | $3,815 | $0 | $9,986 |
| Fees for Services Accounting | $0 | $8,834 | $0 | $8,834 |
| Advertising | $0 | $4,550 | $0 | $4,550 |
| Interest | $390 | $20 | $0 | $410 |
| Total Functional Expenses | $2,093,657 | $666,327 | $135 | $2,760,119 |
| Line Item | Amount |
|---|---|
| Total Expenses per Form 990 | $2,760,119 |
| Expenses per Audited Statements | $2,741,789 |
| Total Expenses per Audited Statements | $2,741,789 |
| Expenses Not Reported on Financial Statements | $18,330 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
| Liability | Amount |
|---|---|
| Family Deposits | $104,800 |
“All independent board members review and discuss the completed 990 prior to submission.”
“Head of school and the board president reviews any possible compliance issues on a regular basis.”
“The board approved the compensation package for the head of school after conducting a national search led by an independent search firm. As part of their process, the firm provided a detailed compensation analysis benchmarking salaries for similar roles across peer montessori/independent comparable schools and relevant regional data. The full board discussed this at length and unanimously approved the salary range prior to extending the offer. All discussions and decisions were documented in minutes.”
“An external hr consultant was engaged to assess, realign, and document salary bands and job classifications across the organization. This work included shifting certain positions from hourly to salaried where appropriate, ensuring internal equity and external competitiveness. The final compensation structure was reviewed and approved by school leadership and the board.”
“Line 9 - nonoperating losses including $2,338 loss on disposal of fixed assets, $4,079 loss on unamortized loan costs, and $362,911 loss on construction-in-progress.”
“Management evaluates uncertainty in income tax positions based on a more-likely-than-not recognition standard. If that threshold is met, the tax position is then measured at the largest amount that is greater than 50% likely of being realized upon ultimate settlement. As of june 30, 2025, there is no accruals for uncertain tax positions. If applicable, the school records interest and penalties as a component of income tax expense. With few exceptions, the schools returns remain open for three years for federal and state examinations.”
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/AccountantCompileOrReviewInd | 0 | false |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 35767 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 370886 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 1431413 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 1320922 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | TO PROVIDE A MONTESSORI EDUCATION, GUIDED BY ASSOCIATION MONTESSORI INTERNATIONALE (AMI) PRINCIPLES, THAT FOSTERS THE INTELLECTUAL CURIOUSITY AND CREATIVITY OF THEIR STUDENTS. |
| IRS990/AdvertisingGrp/FundraisingAmt | 0 | 0 |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 4550 |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 4550 |
| IRS990/AllOtherContributionsAmt | 0 | 31893 |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 135 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 10285 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 107555 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 117975 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/AuditCommitteeInd | 0 | true |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | MONTESSORI INTERNATIONAL CHILDREN'S |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 4107577789 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 1641 N WINCHESTER RD |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | ANNAPOLIS |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | MD |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 21409 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 126150 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 71370 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 45432 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 152100 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 197532 |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | true |
| IRS990/CompensationProcessOtherInd | 0 | true |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 68719 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 225148 |
| IRS990/CYOtherExpensesAmt | 0 | 691416 |
| IRS990/CYOtherRevenueAmt | 0 | 27959 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 2358099 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -80194 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 2068703 |
| IRS990/CYTotalExpensesAmt | 0 | 2760119 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 135 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 2679925 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 2154562 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 2179269 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/FundraisingAmt | 0 | 0 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 5842 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 111001 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 116843 |
| IRS990/Desc | 0 | THE MAJOR ACCOMPLISHMENT OF THE SCHOOL IS PROVIDING MONTESSORI EDUCATION TO APPROXIMATELY 160 STUDENTS FROM PRESCHOOL TO SIXTH GRADE. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | true |
| IRS990/DoingBusinessAsName/BusinessNameLine1Txt | 0 | MONTESSORI INTERNATIONAL CHILDREN'S HOUSE |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 16000 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 0 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 33 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | true |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 2093657 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/FundraisingAmt | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 8834 |
| IRS990/FeesForServicesAccountingGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 8834 |
| IRS990/FeesForServicesLegalGrp/FundraisingAmt | 0 | 0 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 19784 |
| IRS990/FeesForServicesLegalGrp/ProgramServicesAmt | 0 | 19784 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 39568 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/FundraisingAmt | 0 | 0 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ManagementAndGeneralAmt | 0 | 18330 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 18330 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 1932 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | KATHERINE SAGE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | MEGAN HUBBARD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | CAITLIN HANNON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | BRIDGET FAHERTY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | SCOTT FASANO |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | AMANDA GARNER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | KELLY BOEHRINGER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | DAN SCHAIVO |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 99914 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | EDUCATION DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | PART-YEAR HEAD OF SCHOOL |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | VICE PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | PERSONNEL DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | DEVELOPMENT CHAIR |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/FormationYr | 0 | 1985 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | true |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 78367 |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 8 |
| IRS990/GovernmentGrantsAmt | 0 | 30831 |
| IRS990/GrantAmt | 0 | 0 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 1260677 |
| IRS990/GrossReceiptsAmt | 0 | 3862235 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | true |
| IRS990/IndependentAuditFinclStmtInd | 0 | true |
| IRS990/IndependentVotingMemberCnt | 0 | 6 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 1 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIInd | 0 | X |
| IRS990/InformationTechnologyGrp/FundraisingAmt | 0 | 0 |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 20277 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 39360 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 59637 |
| IRS990/InsuranceGrp/FundraisingAmt | 0 | 0 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 15216 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 15216 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 30432 |
| IRS990/InterestGrp/FundraisingAmt | 0 | 0 |
| IRS990/InterestGrp/ManagementAndGeneralAmt | 0 | 20 |
| IRS990/InterestGrp/ProgramServicesAmt | 0 | 390 |
| IRS990/InterestGrp/TotalAmt | 0 | 410 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 146781 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 146781 |
| IRS990/InvestmentIncomeGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 1992142 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 2018261 |
| IRS990/IRPDocumentCnt | 0 | 5 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 2179912 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 2388820 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 1997420 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 4177332 |
| IRS990/LegalDomicileStateCd | 0 | MD |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 1182310 |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembershipDuesAmt | 0 | 5995 |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | TO PROVIDE A MONTESSORI EDUCATION, GUIDED BY ASSOCIATION MONTESSORI INTERNATIONALE (AMI) PRINCIPLES, THAT FOSTERS THE INTELLECTUAL CURIOUSITY AND CREATIVITY OF THEIR STUDENTS. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 6805784 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 6354377 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 78367 |
| IRS990/NetGainOrLossInvestmentsGrp/RelatedOrExemptFuncIncomeAmt | 0 | 0 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 78367 |
| IRS990/NetGainOrLossInvestmentsGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 110640 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 6789784 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 6354377 |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/FundraisingAmt | 0 | 0 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 4376 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 24795 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 29171 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 3815 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 6171 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 9986 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 4489 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 211276 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | -369328 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 35253 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 118018 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 153271 |
| IRS990/OtherExpensesGrp/Desc | 0 | REPAIRS AND MAINTENANCE |
| IRS990/OtherExpensesGrp/Desc | 1 | CUSTODIAL |
| IRS990/OtherExpensesGrp/Desc | 2 | EMPLOYEE RECRUITMENT |
| IRS990/OtherExpensesGrp/Desc | 3 | PROFESSIONAL DEVELOPMENT |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 1 | 0 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 2 | 0 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 3 | 0 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 5173 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 4116 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 2 | 35401 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 3 | 34506 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 98285 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 78199 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 0 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 3 | 0 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 103458 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 82315 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 35401 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 34506 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 109250 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 104800 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 0 | 999999 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | OTHER INCOME |
| IRS990/OtherRevenueMiscGrp/ExclusionAmt | 0 | 0 |
| IRS990/OtherRevenueMiscGrp/RelatedOrExemptFuncIncomeAmt | 0 | 27959 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 27959 |
| IRS990/OtherRevenueMiscGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/OtherRevenueTotalAmt | 0 | 27959 |
| IRS990/OtherSalariesAndWagesGrp/FundraisingAmt | 0 | 0 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 357846 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 1198005 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 1555851 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 0 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 30629 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 102540 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 133169 |
| IRS990/PensionPlanContributionsGrp/FundraisingAmt | 0 | 0 |
| IRS990/PensionPlanContributionsGrp/ManagementAndGeneralAmt | 0 | 6642 |
| IRS990/PensionPlanContributionsGrp/ProgramServicesAmt | 0 | 22238 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 28880 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 30734 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 34131 |
| IRS990/PrincipalOfficerNm | 0 | MEGAN HUBBARD |
| IRS990/PriorPeriodAdjustmentsAmt | 0 | -112525 |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 900099 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | TUITION |
| IRS990/ProgramServiceRevenueGrp/ExclusionAmt | 0 | 0 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 2358099 |
| IRS990/ProgramServiceRevenueGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 98312 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYInvestmentIncomeAmt | 0 | 207714 |
| IRS990/PYOtherExpensesAmt | 0 | 642019 |
| IRS990/PYOtherRevenueAmt | 0 | 26005 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 2510909 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 272348 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 1928573 |
| IRS990/PYTotalExpensesAmt | 0 | 2570592 |
| IRS990/PYTotalRevenueAmt | 0 | 2842940 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -80194 |
| IRS990/RegularMonitoringEnfrcInd | 0 | true |
| IRS990/RelatedEntityInd | 0 | false |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | true |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | true |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/RevenueAmt | 0 | 2358099 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 3131615 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 3355952 |
| IRS990ScheduleA/InvestmentIncomeCYPct | 0 | 0 |
| IRS990ScheduleA/OtherSupportSumAmt | 0 | 0 |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0 |
| IRS990ScheduleA/PublicSupportCY509Pct | 0 | 0 |
| IRS990ScheduleA/PublicSupportTotal509Amt | 0 | 0 |
| IRS990ScheduleA/SchoolInd | 0 | X |
| IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorNum | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine2 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt | 0 | RESTRICTED |
| IRS990/ScheduleBRequiredInd | 0 | true |
| IRS990ScheduleD/BuildingsGrp/BookValueAmt | 0 | 1245032 |
| IRS990ScheduleD/BuildingsGrp/DepreciationAmt | 0 | 1814359 |
| IRS990ScheduleD/BuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 3059391 |
| IRS990ScheduleD/EquipmentGrp/BookValueAmt | 0 | 145910 |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 361557 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 507467 |
| IRS990ScheduleD/ExpensesNotRptFinclStmtAmt | 0 | 18330 |
| IRS990ScheduleD/ExpensesSubtotalAmt | 0 | 2741789 |
| IRS990ScheduleD/FootnoteTextInd | 0 | X |
| IRS990ScheduleD/InvestmentExpensesNotIncld2Amt | 0 | 18330 |
| IRS990ScheduleD/InvestmentExpensesNotIncldAmt | 0 | 18330 |
| IRS990ScheduleD/LandGrp/BookValueAmt | 0 | 598486 |
| IRS990ScheduleD/LandGrp/InvestmentCostOrOtherBasisAmt | 0 | 0 |
| IRS990ScheduleD/LandGrp/OtherCostOrOtherBasisAmt | 0 | 598486 |
| IRS990ScheduleD/NetUnrealizedGainsInvstAmt | 0 | 110640 |
| IRS990ScheduleD/OtherLandBuildingsGrp/BookValueAmt | 0 | 7992 |
| IRS990ScheduleD/OtherLandBuildingsGrp/DepreciationAmt | 0 | 3996 |
| IRS990ScheduleD/OtherLandBuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 11988 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 0 | 104800 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 0 | FAMILY DEPOSITS |
| IRS990ScheduleD/RevenueNotReportedAmt | 0 | 110640 |
| IRS990ScheduleD/RevenueNotReportedFinclStmtAmt | 0 | 18330 |
| IRS990ScheduleD/RevenueSubtotalAmt | 0 | 2661595 |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | MANAGEMENT EVALUATES UNCERTAINTY IN INCOME TAX POSITIONS BASED ON A MORE-LIKELY-THAN-NOT RECOGNITION STANDARD. IF THAT THRESHOLD IS MET, THE TAX POSITION IS THEN MEASURED AT THE LARGEST AMOUNT THAT IS GREATER THAN 50% LIKELY OF BEING REALIZED UPON ULTIMATE SETTLEMENT. AS OF JUNE 30, 2025, THERE IS NO ACCRUALS FOR UNCERTAIN TAX POSITIONS. IF APPLICABLE, THE SCHOOL RECORDS INTEREST AND PENALTIES AS A COMPONENT OF INCOME TAX EXPENSE. WITH FEW EXCEPTIONS, THE SCHOOLS RETURNS REMAIN OPEN FOR THREE YEARS FOR FEDERAL AND STATE EXAMINATIONS. |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Pt X, Line 2 |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 1997420 |
| IRS990ScheduleD/TotalExpensesPerForm990Amt | 0 | 2760119 |
| IRS990ScheduleD/TotalLiabilityAmt | 0 | 104800 |
| IRS990ScheduleD/TotalRevenuePerForm990Amt | 0 | 2679925 |
| IRS990ScheduleD/TotalRevEtcAuditedFinclStmtAmt | 0 | 2772235 |
| IRS990ScheduleD/TotExpnsEtcAuditedFinclStmtAmt | 0 | 2741789 |
| IRS990ScheduleE/ComplianceWithRevProc7550Ind | 0 | true |
| IRS990ScheduleE/DiscriminateRaceAdmissPlcyInd | 0 | false |
| IRS990ScheduleE/DiscriminateRaceAthltProgInd | 0 | false |
| IRS990ScheduleE/DiscriminateRaceEducPlcyInd | 0 | false |
| IRS990ScheduleE/DiscriminateRaceEmplmFcultyInd | 0 | false |
| IRS990ScheduleE/DiscriminateRaceOtherActyInd | 0 | false |
| IRS990ScheduleE/DiscriminateRaceSchsInd | 0 | false |
| IRS990ScheduleE/DiscriminateRaceStdntsRghtsInd | 0 | false |
| IRS990ScheduleE/DiscriminateRaceUseOfFcltsInd | 0 | false |
| IRS990ScheduleE/GovernmentFinancialAidRcvdInd | 0 | false |
| IRS990ScheduleE/GovernmentFinancialAidRvkdInd | 0 | false |
| IRS990ScheduleE/MaintainCpyOfAllSolInd | 0 | true |
| IRS990ScheduleE/MaintainCpyOfBrochuresEtcInd | 0 | true |
| IRS990ScheduleE/MaintainRacialCompRecsInd | 0 | true |
| IRS990ScheduleE/MaintainScholarshipsRecsInd | 0 | true |
| IRS990ScheduleE/NondiscriminatoryPolicyStmtInd | 0 | true |
| IRS990ScheduleE/PlcyPblczdViaBroadcastMediaInd | 0 | true |
| IRS990ScheduleE/PolicyStmtInBrochuresEtcInd | 0 | true |
| IRS990ScheduleE/SupplementalInformationDetail/ExplanationTxt | 0 | INCLUDED IN ADMISSIONS CRITERIA SECTION OF WEBSITE. INCLUDED IN ADMISSIONS CRITERIA SECTION OF WEBSITE. |
| IRS990ScheduleE/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Line 3 |
| IRS990/ScheduleJRequiredInd | 0 | false |
| IRS990/ScheduleORequiredInd | 0 | true |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | ALL INDEPENDENT BOARD MEMBERS REVIEW AND DISCUSS THE COMPLETED 990 PRIOR TO SUBMISSION. |
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