Civic Intelligence

The Boulder Sudbury School

EIN 47-2073686 • 501(c)3 • Boulder, CO

Pub. 78 Eligible

Profile

The exempt purpose of The Boulder Sudbury School is for the presentation of formal instruction for students ages 4-19, where there is a regularly scheduled curriculum determined by the students and staff/teachers, a regular faculty of qualified staff/teachers, a regularly enrolled student body, and facilities where the educational activities are regularly carried on.

3800 Plateau RoadBoulder, CO 80503

www.bouldersudbury.org

Siviq Scores

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

Liabilities / Assets

76th percentile

0.33x

Higher debt load relative to assets than 76% of similar nonprofits.

501(c)3 • $1M-$5M nonprofits • Source year 2025

Liabilities / Revenue

96th percentile

4.72x

Higher debt load relative to revenue than 96% of similar nonprofits.

501(c)3 • $1M-$5M nonprofits • Source year 2025

Net Margin

48th percentile

3.4%

Higher net margin than 48% of similar nonprofits.

501(c)3 • $1M-$5M nonprofits • Source year 2025

Top Officer Pay

42nd percentile

$6,516

Higher top officer pay than 42% of similar nonprofits.

Top officer pay equals 3.7% of source-year revenue.

501(c)3 • $1M-$5M nonprofits • Source year 2025

Asset Growth

77th percentile

18%

Faster asset growth than 77% of similar nonprofits.

501(c)3 • $1M-$5M nonprofits • Annualized from 2024 to 2025

Revenue Growth

58th percentile

12%

Faster revenue growth than 58% of similar nonprofits.

501(c)3 • $1M-$5M nonprofits • Annualized from 2024 to 2025

Balance Sheet
Liabilities / Assets76th percentile

Assets

Up

$2,542,152

Up $383,779 (+18%) from 2024

Liabilities

Down

$833,363

Down $528,637 (-39%) from 2024

Net Assets

Up

$1,708,789

Up $912,416 (+115%) from 2024

Operations
Liabilities / Revenue96th percentileNet Margin48th percentile

Revenue

Up

$176,598

Up $18,700 (+12%) from 2024

Expenses

Down

$170,555

Down $5,062 (-2.9%) from 2024

Net Income

Up

$6,043

Up $23,762 (+134%) from 2024

Trend Graphs

Balance Sheet Trend

Asset Growth77th percentile

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

$3.0M$2.0M$1.0M$0Assets 2016: $21,324Liabilities 2016: $0Net Assets 2016: $21,3242016Assets 2017: $26,171Liabilities 2017: $0Net Assets 2017: $26,1712017Assets 2018: $64,966Liabilities 2018: $0Net Assets 2018: $64,9662018Assets 2019: $975,939Liabilities 2019: $972,000Net Assets 2019: $3,9392019Assets 2020: $1,647,121Liabilities 2020: $987,709Net Assets 2020: $659,4122020Assets 2021: $1,670,956Liabilities 2021: $1,088,950Net Assets 2021: $582,0062021Assets 2022: $2,806,863Liabilities 2022: $1,124,491Net Assets 2022: $1,682,3722022Assets 2023: $2,161,096Liabilities 2023: $1,347,004Net Assets 2023: $814,0922023Assets 2024: $2,158,373Liabilities 2024: $1,362,000Net Assets 2024: $796,3732024Assets 2025: $2,542,152Liabilities 2025: $833,363Net Assets 2025: $1,708,7892025

Highlighted filing

2025

Assets$2,542,152
Liabilities$833,363
Net Assets$1,708,789
Open 2025 Filing

Operations Trend

Revenue Growth58th percentile

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

$300K$200K$100K$0-$100KRevenue 2016: $57,963Expenses 2016: $36,639Net Income 2016: $21,3242016Revenue 2017: $102,405Expenses 2017: $97,558Net Income 2017: $4,8472017Revenue 2018: $136,276Expenses 2018: $97,481Net Income 2018: $38,7952018Revenue 2019: $142,885Expenses 2019: $203,912Net Income 2019: -$61,0272019Revenue 2020: $148,503Expenses 2020: $141,277Net Income 2020: $7,2262020Revenue 2021: $78,287Expenses 2021: $155,693Net Income 2021: -$77,4062021Revenue 2022: $154,903Expenses 2022: $157,217Net Income 2022: -$2,3142022Revenue 2023: $150,751Expenses 2023: $149,655Net Income 2023: $1,0962023Revenue 2024: $157,898Expenses 2024: $175,617Net Income 2024: -$17,7192024Revenue 2025: $176,598Expenses 2025: $170,555Net Income 2025: $6,0432025

Highlighted filing

2025

Revenue$176,598
Expenses$170,555
Net Income$6,043
Open 2025 Filing

Filings

Most recent year

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

Open filing
Assets
$2,542,152
Liabilities
$833,363
Net assets
$1,708,789
Revenue
$176,598
Expenses
$170,555
Net income
$6,043
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2025Detailed filing. Detailed filing data is available for this year.$2.54$0.83$1.71$0.18$0.17$0.01
2024Detailed filing. Detailed filing data is available for this year.$2.16$1.36$0.80$0.16$0.18$0.02
2023Detailed filing. Detailed filing data is available for this year.$2.16$1.35$0.81$0.15$0.15$0.00
2022Detailed filing. Detailed filing data is available for this year.$2.81$1.12$1.68$0.15$0.16$0.00
2021Detailed filing. Detailed filing data is available for this year.$1.67$1.09$0.58$0.08$0.16$0.08
2020Detailed filing. Detailed filing data is available for this year.$1.65$0.99$0.66$0.15$0.14$0.01
2019Detailed filing. Detailed filing data is available for this year.$0.98$0.97$0.00$0.14$0.20$0.06
2018Detailed filing. Detailed filing data is available for this year.$0.06$0.00$0.06$0.14$0.10$0.04
2017Detailed filing. Detailed filing data is available for this year.$0.03$0.00$0.03$0.10$0.10$0.00
2016Detailed filing. Detailed filing data is available for this year.$0.02$0.00$0.02$0.06$0.04$0.02
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Apr 1, 2024 to Mar 31, 2025
Signed
Apr 9, 2025
Return Version
2024v5.1
Gross Receipts
$176,598
Mission and Program Overview

Mission

The exempt purpose of The Boulder Sudbury School is for the presentation of formal instruction for students ages 4-19, where there is a regularly scheduled curriculum determined by the students and staff/teachers, a regular faculty of qualified staff/teachers, a regularly enrolled student body, and facilities where the educational activities are regularly carried on.

The mission of the Boulder Sudbury School is for the education of members of the community of the school and is founded upon the principle that learning is best fostered by self-motivation self-regulation and self-criticism in a social environment that functions as a democratic micro-society. All pursuits are treated equal and all members of the school community are able to participate in teaching learning and other school activities so that the School may function as an integrated community. Furthermore the Boulder Sudbury School allows for opportunities and responsibilities in governing the School to be shared among students staff and representatives of the community of the school maintaining a flexible structure which while being free to adhere to valid traditional forms will also be free to create new ones.

Balance Sheet Detail
LineBeginningEndChange
Assets
Land, Buildings, and Equipment, Net$2,176,092$2,536,109▲ $360,017
Cash and Non-Interest-Bearing Accounts$-17,719$6,043▲ $23,762
Savings and Temporary Cash Investments$0$0→ $0
Accounts Receivable$0$0→ $0
Other Notes and Loans Receivable, Net$0$0→ $0
Pledges and Grants Receivable$0$0→ $0
Receivable From Disqualified Prsn$0$0→ $0
Receivables From Officers Etc$0$0→ $0
Investments Other Securities$0$0→ $0
Investments Program Related$0$0→ $0
Investments in Publicly Traded Securities$0$0→ $0
Intangible Assets$0$0→ $0
Inventories for Sale or Use$0$0→ $0
Loans From Officers Directors$0$0→ $0
Prepaid Expenses and Deferred Charges$0$0→ $0
Total Assets$2,158,373$2,542,152▲ $383,779
Other Assets Total$0$0→ $0
Liabilities
Mortgage Notes Payable Secured by Investment Property$1,122,000$633,363▼ $488,637
Unsecured Notes Loans Payable$240,000$200,000▼ $40,000
Accounts Payable and Accrued Expenses$0$0→ $0
Grants Payable$0$0→ $0
Other Liabilities$0$0→ $0
Deferred Revenue$0$0→ $0
Escrow Account Liability$0$0→ $0
Tax Exempt Bond Liabilities$0$0→ $0
Total Liabilities$1,362,000$833,363▼ $528,637
Net Assets / Fund Balance
Net Assets Without Donor Restrictions$796,373$1,708,789▲ $912,416
Net Assets With Donor Restrictions$0$0→ $0
Total Net Assets Fund Balance$796,373$1,708,789▲ $912,416
Total Liabilities and Net Assets / Fund Balance$2,158,373$2,542,152▲ $383,779

Asset Categories

AssetBook ValueDepreciationBasis
Buildings$2,536,109$0$2,536,109
Compensation and Service Providers
Top Officer Pay42nd percentile

Employees

NameTitleFull / Part TimeBaseTotal
Mylantii KaryadevaSecretary and TeacherFT$6,516$6,516

Board Members and Trustees

NameTitle
Caue BonneyPresident and Chairperson
Jacob LuseDistant Staff
Kwame YanksonDistant Staff
Mauori SpringDistant Staff
Weau LuseDistant Staff
Robert KaryadevaTreasurer and teacher
Revenue and Support

Revenue Composition

Contributions and Grants
$34,800
Program Service Revenue
$141,798
Investment Income
$0
Other Revenue
$0
All Other Contributions
$34,800
Change in Net Assets
$6,043
Expenses and Functional Allocation

Major Expense Lines

Line ItemAmount
Other Expenses$163,246
Salaries, Compensation, and Employee Benefits$7,309
Grants and Similar Amounts Paid$0
Professional Fundraising Fees$0
Total Fundraising Expense$0

Functional Expense Allocation

Line ItemProgramManagementFundraisingTotal
Occupancy$73,000$0$0$73,000
Fees for Services Other$0$0$0$39,282
Other Expenses$31,440$0$0$31,440
Interest$11,160$0$0$11,160
Current Officers, Directors, Trustees, and Key Employees$0$6,516$0$6,516
Information Technology$1,728$0$0$1,728
Office Expenses$1,264$0$0$1,264
Payroll Taxes$0$793$0$793
Total Functional Expenses$123,964$7,309$0$170,555
Fundraising, Events, and Gaming
Fundraising activities
No
Gaming activities
No
Professional fundraiser used
No

Fundraising and Gaming Totals

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

Loans and Receivables

Line ItemBeginningEndChange
Loans from Officers, Directors, Trustees, and Key Employees$0$0→ $0
Receivables from Disqualified Persons$0$0→ $0
Receivables from Officers, Directors, Trustees, and Key Employees$0$0→ $0
Governance and Compliance

Governance Checklist

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

Governance Explanations

Part VI, Line 2

“| Employee: Relationship: Employee:| Robert Karyadeva Family Relationship Mylantii Karyadeva|”

Part VI, Line 11A

“The process is entrusted to the treasurer who has authority to submit the form 990 on behalf on the school meeting the governing body of the school.”

Part VI, Line 12C

“The purpose of the conflict of interest policy is to protect the interest of the Boulder Sudbury School as a tax exempt corporation when it is contemplating entering into a transaction or arrangement that might benefit the private interest of an officer staff teacher or other member of the school community or might result in a possible excess benefit transaction. This policy is intended to supplement but not replace any applicable state and federal laws governing conflict of interest applicable to nonprofit and charitable corporations.”

Part VI, Line 19

“Yes it is available upon request.”

Filing and Contact Details

Filer

Filer Name
Boulder Sudbury School
EIN
47-2073686
In Care Of
% Robert Karyadeva
Phone
7209430918
Address
3800 Plateau Road, Boulder, CO 80503
Doing Business As
Boulder Sudbury School

Signing Officer

Name
Robert Karyadeva Karyadeva
Title
Treasurer and Teacher Staff
Signed
2025-04-09

Organization Details

Principal Officer
Robert Karyadeva
Formed
2014
Legal Domicile
Co
Voting Board Members
40
Independent Board Members
0
Employees
2
Volunteers
0
Supplemental Narrative

Additional Explanations

Part IX, Line 11G

“Contractor - Grounds Keeper; Contractor - Indoor Repairs; Contractor - Stucco Repairs; Contractor - Plumbing Repairs”

Part XI, Line 9

“| Description:, Explanation:, Amount:| Property asset value increased by this amount., Decreased property liabilities plus increase in property value as of March 2025., $906373|”

Raw XML AppendixShowing 400 of 605 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.

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IRS990/GrantsToDomesticIndividualsGrp/ProgramServicesAmt00
IRS990/GrantsToDomesticIndividualsGrp/TotalAmt00
IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt00
IRS990/GrantsToDomesticOrgsGrp/TotalAmt00
IRS990/GrantsToIndividualsInd0false
IRS990/GrantsToOrganizationsInd0false
IRS990/GrantToRelatedPersonInd0false
IRS990/GrossAmountSalesAssetsGrp/OtherAmt00
IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt00
IRS990/GrossReceiptsAmt0176598
IRS990/GrossRentsGrp/PersonalAmt00
IRS990/GrossRentsGrp/RealAmt00
IRS990/GrossSalesOfInventoryAmt00
IRS990/GroupReturnForAffiliatesInd0false
IRS990/IncludeFIN48FootnoteInd0false
IRS990/IncmFromInvestBondProceedsGrp/ExclusionAmt00
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IRS990/IndependentVotingMemberCnt00
IRS990/IndivRcvdGreaterThan100KCnt00
IRS990/IndoorTanningServicesInd0false
IRS990/InfoInScheduleOPartXIInd0X
IRS990/InformationTechnologyGrp/FundraisingAmt00
IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt00
IRS990/InformationTechnologyGrp/ProgramServicesAmt01728
IRS990/InformationTechnologyGrp/TotalAmt01728
IRS990/InsuranceGrp/FundraisingAmt00
IRS990/InsuranceGrp/ManagementAndGeneralAmt00
IRS990/InsuranceGrp/ProgramServicesAmt00
IRS990/InsuranceGrp/TotalAmt00
IRS990/IntangibleAssetsGrp/BOYAmt00
IRS990/IntangibleAssetsGrp/EOYAmt00
IRS990/InterestGrp/FundraisingAmt00
IRS990/InterestGrp/ManagementAndGeneralAmt00
IRS990/InterestGrp/ProgramServicesAmt011160
IRS990/InterestGrp/TotalAmt011160
IRS990/InventoriesForSaleOrUseGrp/BOYAmt00
IRS990/InventoriesForSaleOrUseGrp/EOYAmt00
IRS990/InvestmentExpenseAmt00
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IRS990/InvestmentIncomeGrp/UnrelatedBusinessRevenueAmt00
IRS990/InvestmentInJointVentureInd0false
IRS990/InvestmentsOtherSecuritiesGrp/BOYAmt00
IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt00
IRS990/InvestmentsProgramRelatedGrp/BOYAmt00
IRS990/InvestmentsProgramRelatedGrp/EOYAmt00
IRS990/InvestmentsPubTradedSecGrp/BOYAmt00
IRS990/InvestmentsPubTradedSecGrp/EOYAmt00
IRS990/IRPDocumentCnt00
IRS990/IRPDocumentW2GCnt00
IRS990/LandBldgEquipAccumDeprecAmt00
IRS990/LandBldgEquipBasisNetGrp/BOYAmt02176092
IRS990/LandBldgEquipBasisNetGrp/EOYAmt02536109
IRS990/LandBldgEquipCostOrOtherBssAmt02536109
IRS990/LegalDomicileStateCd0CO
IRS990/LessCostOthBasisSalesExpnssGrp/OtherAmt00
IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt00
IRS990/LessRentalExpensesGrp/PersonalAmt00
IRS990/LessRentalExpensesGrp/RealAmt00
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IRS990/LoansFromOfficersDirectorsGrp/BOYAmt00
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IRS990/LobbyingActivitiesInd0false
IRS990/LocalChaptersInd0false
IRS990/MaterialDiversionOrMisuseInd0false
IRS990/MembershipDuesAmt00
IRS990/MembersOrStockholdersInd0false
IRS990/MethodOfAccountingCashInd0X
IRS990/MinutesOfCommitteesInd0true
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IRS990/MissionDesc0The mission of the Boulder Sudbury School is for the education of members of the community of the school and is founded upon the principle that learning is best fostered by self-motivation self-regulation and self-criticism in a social environment that functions as a democratic micro-society. All pursuits are treated equal and all members of the school community are able to participate in teaching learning and other school activities so that the School may function as an integrated community. Furthermore the Boulder Sudbury School allows for opportunities and responsibilities in governing the School to be shared among students staff and representatives of the community of the school maintaining a flexible structure which while being free to adhere to valid traditional forms will also be free to create new ones.
IRS990/MoreThan5000KToIndividualsInd0false
IRS990/MoreThan5000KToOrgInd0false
IRS990/MortgNotesPyblScrdInvstPropGrp/BOYAmt01122000
IRS990/MortgNotesPyblScrdInvstPropGrp/EOYAmt0633363
IRS990/NetAssetsOrFundBalancesBOYAmt0796373
IRS990/NetAssetsOrFundBalancesEOYAmt01708789
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IRS990/NetUnrelatedBusTxblIncmAmt00
IRS990/NetUnrlzdGainsLossesInvstAmt00
IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt0796373
IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt01708789
IRS990/NoncashContributionsAmt00
IRS990/NondeductibleContributionsInd0false
IRS990/OccupancyGrp/FundraisingAmt00
IRS990/OccupancyGrp/ManagementAndGeneralAmt00
IRS990/OccupancyGrp/ProgramServicesAmt073000
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IRS990/OfficeExpensesGrp/FundraisingAmt00
IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt00
IRS990/OfficeExpensesGrp/ProgramServicesAmt01264
IRS990/OfficeExpensesGrp/TotalAmt01264
IRS990/OfficerMailingAddressInd0false
IRS990/OperateHospitalInd0false
IRS990/Organization501c3Ind0X
IRS990/OrganizationFollowsFASB117Ind0X
IRS990/OtherAssetsTotalGrp/BOYAmt00
IRS990/OtherAssetsTotalGrp/EOYAmt00
IRS990/OtherChangesInNetAssetsAmt0906373
IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt00
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IRS990/OtherExpensesGrp/FundraisingAmt30
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IRS990/OtherExpensesGrp/ManagementAndGeneralAmt20
IRS990/OtherExpensesGrp/ManagementAndGeneralAmt30
IRS990/OtherExpensesGrp/ProgramServicesAmt02448
IRS990/OtherExpensesGrp/ProgramServicesAmt11700
IRS990/OtherExpensesGrp/ProgramServicesAmt21224
IRS990/OtherExpensesGrp/ProgramServicesAmt331440
IRS990/OtherExpensesGrp/TotalAmt02448
IRS990/OtherExpensesGrp/TotalAmt11700
IRS990/OtherExpensesGrp/TotalAmt21224
IRS990/OtherExpensesGrp/TotalAmt331440
IRS990/OtherLiabilitiesGrp/BOYAmt00
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IRS990/PayPremiumsPrsnlBnftCntrctInd0false
IRS990/PayrollTaxesGrp/FundraisingAmt00
IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt0793
IRS990/PayrollTaxesGrp/ProgramServicesAmt00
IRS990/PayrollTaxesGrp/TotalAmt0793
IRS990/PensionPlanContributionsGrp/FundraisingAmt00
IRS990/PensionPlanContributionsGrp/ManagementAndGeneralAmt00
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IRS990/PledgesAndGrantsReceivableGrp/BOYAmt00
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IRS990/PoliticalCampaignActyInd0false
IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt00
IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt00
IRS990/PrincipalOfficerNm0Robert Karyadeva
IRS990/PriorPeriodAdjustmentsAmt00
IRS990/ProfessionalFundraisingInd0false

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