Civic Intelligence

De Bonte Leeuw Inc

EIN 26-4661876 • 501(c)3 • Winchester, MA

Profile

Teach Dutch language and culture to Dutch and Flemisch children and adults living in Boston and surroundings

37 Brookside AveWinchester, MA 01890

www.debonteleeuw.org

Siviq Scores

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

Liabilities / Assets

79th percentile

0.10x

Higher debt load relative to assets than 79% of similar nonprofits.

501(c)3 • <$500k nonprofits • Source year 2025

Liabilities / Revenue

83rd percentile

0.10x

Higher debt load relative to revenue than 83% of similar nonprofits.

501(c)3 • <$500k nonprofits • Source year 2025

Net Margin

56th percentile

5.0%

Higher net margin than 56% of similar nonprofits.

501(c)3 • <$500k nonprofits • Source year 2025

Top Officer Pay

81st percentile

$0

Higher top officer pay than 81% of similar nonprofits.

Top officer pay equals 0.0% of source-year revenue.

501(c)3 • <$500k nonprofits • Source year 2025

Asset Growth

62nd percentile

5.0%

Faster asset growth than 62% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2024 to 2025

Revenue Growth

74th percentile

24%

Faster revenue growth than 74% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2024 to 2025

Balance Sheet
Liabilities / Assets79th percentile

Assets

Up

$144,060

Up $6,803 (+5.0%) from 2024

Liabilities

Down

$14,622

Down $214 (-1.4%) from 2024

Net Assets

Up

$129,438

Up $7,017 (+5.7%) from 2024

Operations
Liabilities / Revenue83rd percentileNet Margin56th percentile

Revenue

Up

$140,793

Up $26,894 (+24%) from 2024

Expenses

Up

$133,775

Up $28,940 (+28%) from 2024

Net Income

Down

$7,018

Down $2,046 (-23%) from 2024

Trend Graphs

Balance Sheet Trend

Asset Growth62nd percentile

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

$150K$100K$50K$0Assets 2021: $104,555Liabilities 2021: $16,244Net Assets 2021: $88,3112021Assets 2023: $126,654Liabilities 2023: $13,297Net Assets 2023: $113,3572023Assets 2024: $137,257Liabilities 2024: $14,836Net Assets 2024: $122,4212024Assets 2025: $144,060Liabilities 2025: $14,622Net Assets 2025: $129,4382025

Highlighted filing

2025

Assets$144,060
Liabilities$14,622
Net Assets$129,438
Open 2025 Filing

Operations Trend

Revenue Growth74th percentile

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

$150K$100K$50K$0Revenue 2021: $116,851Expenses 2021: $98,628Net Income 2021: $18,2232021Revenue 2023: $112,186Expenses 2023: $109,116Net Income 2023: $3,0702023Revenue 2024: $113,899Expenses 2024: $104,835Net Income 2024: $9,0642024Revenue 2025: $140,793Expenses 2025: $133,775Net Income 2025: $7,0182025

Highlighted filing

2025

Revenue$140,793
Expenses$133,775
Net Income$7,018
Open 2025 Filing

Filings

Most recent year

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

Open filing
Assets
$144,060
Liabilities
$14,622
Net assets
$129,438
Revenue
$140,793
Expenses
$133,775
Net income
$7,018
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2025Detailed filing. Detailed filing data is available for this year.$1.44$0.15$1.29$1.41$1.34$0.07
2024Detailed filing. Detailed filing data is available for this year.$1.37$0.15$1.22$1.14$1.05$0.09
2023XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$1.27$0.13$1.13$1.12$1.09$0.03
2021Detailed filing. Detailed filing data is available for this year.$1.05$0.16$0.88$1.17$0.99$0.18
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Aug 1, 2024 to Jul 31, 2025
Signed
Dec 7, 2025
Return Version
2024v5.0
Gross Receipts
$140,793
Mission and Program Overview

Mission

Teach Dutch language and culture to Dutch and Flemisch children and adults living in Boston and surroundings

Program Services

DescriptionGrantsExpenses
Weekly group Dutch Language and cultural lessons to children$24,605$121,506
Private Dutch language lessons to children and adults$0$12,269
Compensation and Service Providers
Top Officer Pay81st percentile

Employees

NameTitleFull / Part TimeBaseOtherTotal
Robrecht ThoonenTreasurer-$0--
Albertus Jan VermeulemPresident-$0--
Rogier LandmanBoard Member-$0--
Leontine AlkemaBoard Member-$0--
Lionel MartinaBoard Member-$0--
Filing and Contact Details

Filer

Filer Name
De Bonte Leeuw Inc
EIN
26-4661876
Phone
7815706869
Address
37 Brookside Ave, Winchester, MA 01890

Signing Officer

Name
Robrecht Thoonen
Title
Treasurer
Phone
6174600823
Signed
2025-12-07
Supplemental Narrative

Additional Explanations

Form 990-EZ, Part I, Line 16

“Description;Amount^Accounting;2427|Bad debs;2150|Bank charges;35|Board expenses;-342|Branded Merchandise;655|Test Licenses;265|Dues and Subscriptions;663|Gifts;1719|Meals;153|Merchant fees;949|Miscelleneous;198|Office expenses;162|School events;1068|Supplies;1000|Taxes and Licenses;205|Training;4419|Travel;254|Website and Software;262^Total;16242^”

Form 990-EZ, Part I, Line 20

“Description;Amount^Rounding difference;-1^Total;-1^”

Form 990-EZ, Part II, Line 24

“Description;EOY Amount^Prepaid expemses;487|Accounts Receivable;3702^Total;4189^”

Form 990-EZ, Part II, Line 26

“Description;EOY Amount^Accounts Payable;3776|Funding Next fiscal year;10846^Total;14622^”

Raw XML Appendix173 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
IRS990EZ/ActivitiesNotPreviouslyRptInd00
IRS990EZ/BenefitsPaidToOrForMembersAmt00
IRS990EZ/BooksInCareOfDetail/PersonNm0Petra Biemans- Rinsma
IRS990EZ/BooksInCareOfDetail/PhoneNum07815706869
IRS990EZ/BooksInCareOfDetail/USAddress/AddressLine1Txt037 Brookside Ave
IRS990EZ/BooksInCareOfDetail/USAddress/CityNm0Winchester
IRS990EZ/BooksInCareOfDetail/USAddress/StateAbbreviationCd0MA
IRS990EZ/BooksInCareOfDetail/USAddress/ZIPCd001890
IRS990EZ/CashSavingsAndInvestmentsGrp/BOYAmt0123210
IRS990EZ/CashSavingsAndInvestmentsGrp/EOYAmt0139871
IRS990EZ/ChgMadeToOrgnzngDocNotRptInd00
IRS990EZ/ContributionsGiftsGrantsEtcAmt024605
IRS990EZ/CostOfGoodsSoldAmt00
IRS990EZ/CostOrOtherBasisExpenseSaleAmt00
IRS990EZ/DirectIndirectPltclExpendAmt00
IRS990EZ/DonorAdvisedFndsInd00
IRS990EZ/EngagedInExcessBenefitTransInd00
IRS990EZ/ExcessOrDeficitForYearAmt07018
IRS990EZ/FeesAndOtherPymtToIndCntrctAmt0105103
IRS990EZ/FiledScheduleAInd01
IRS990EZ/ForeignFinancialAccountInd00
IRS990EZ/ForeignOfficeInd00
IRS990EZ/Form1120PolFiledInd00
IRS990EZ/Form990TotalAssetsGrp/BOYAmt0137257
IRS990EZ/Form990TotalAssetsGrp/EOYAmt0144060
IRS990EZ/FundraisingGrossIncomeAmt00
IRS990EZ/GainOrLossFromSaleOfAssetsAmt00
IRS990EZ/GamingGrossIncomeAmt00
IRS990EZ/GrantsAndSimilarAmountsPaidAmt00
IRS990EZ/GrossProfitLossSlsOfInvntryAmt00
IRS990EZ/GrossReceiptsAmt0140793
IRS990EZ/GrossSalesOfInventoryAmt00
IRS990EZ/InfoInScheduleOPartIIInd0X
IRS990EZ/InfoInScheduleOPartIInd0X
IRS990EZ/InvestmentIncomeAmt016
IRS990EZ/LandAndBuildingsGrp/BOYAmt00
IRS990EZ/LandAndBuildingsGrp/EOYAmt00
IRS990EZ/LobbyingActivitiesInd00
IRS990EZ/MadeLoansToFromOfficersInd00
IRS990EZ/MembershipDuesAmt00
IRS990EZ/MethodOfAccountingAccrualInd0X
IRS990EZ/NetAssetsOrFundBalancesBOYAmt0122421
IRS990EZ/NetAssetsOrFundBalancesEOYAmt0129438
IRS990EZ/NetAssetsOrFundBalancesGrp/BOYAmt0122421
IRS990EZ/NetAssetsOrFundBalancesGrp/EOYAmt0129438
IRS990EZ/OccupancyRentUtltsAndMaintAmt012000
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt02
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt12
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt22
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt32
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt42
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt10
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt20
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt30
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt40
IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt10
IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt20
IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt30
IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt40
IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt10
IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt20
IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt30
IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt40
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm0Robrecht Thoonen
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm1Albertus Jan Vermeulem
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm2Rogier Landman
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm3Leontine Alkema
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm4Lionel Martina
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt0Treasurer
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt1President
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt2Board Member
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt3Board member
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt4Board Member
IRS990EZ/OperateHospitalInd00
IRS990EZ/Organization501c3Ind0X
IRS990EZ/OrganizationDissolvedEtcInd00
IRS990EZ/OrganizationHadUBIInd00
IRS990EZ/OtherAssetsTotalDetail/BOYAmt014047
IRS990EZ/OtherAssetsTotalDetail/EOYAmt04189
IRS990EZ/OtherChangesInNetAssetsAmt0-1
IRS990EZ/OtherExpensesTotalAmt016242
IRS990EZ/OtherRevenueTotalAmt00
IRS990EZ/PartVIHghstPdCntrctProfSrvcTxt0NONE
IRS990EZ/PartVIOfCompOfHghstPdEmplTxt0NONE
IRS990EZ/PoliticalCampaignActyInd00
IRS990EZ/PrimaryExemptPurposeTxt0Teach Dutch language and culture to Dutch and Flemisch children and adults living in Boston and surroundings
IRS990EZ/PrintingPublicationsPostageAmt0430
IRS990EZ/ProgramServiceRevenueAmt0116172
IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt0Weekly group Dutch Language and cultural lessons to children
IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt1Private Dutch language lessons to children and adults
IRS990EZ/ProgramSrvcAccomplishmentGrp/ForeignGrantsInd0X
IRS990EZ/ProgramSrvcAccomplishmentGrp/GrantsAndAllocationsAmt024605
IRS990EZ/ProgramSrvcAccomplishmentGrp/GrantsAndAllocationsAmt10
IRS990EZ/ProgramSrvcAccomplishmentGrp/ProgramServiceExpensesAmt0121506
IRS990EZ/ProgramSrvcAccomplishmentGrp/ProgramServiceExpensesAmt112269
IRS990EZ/ProhibitedTaxShelterTransInd00
IRS990EZ/RelatedOrganizationCtrlEntInd00
IRS990EZ/SalariesOtherCompEmplBnftAmt00
IRS990EZ/SaleOfAssetsGrossAmt00
IRS990EZ/ScheduleBNotRequiredInd0X
IRS990EZ/SchoolOperatingInd01
IRS990EZ/SpecialEventsDirectExpensesAmt00
IRS990EZ/SpecialEventsNetIncomeLossAmt00
IRS990EZ/StatesWhereCopyOfReturnIsFldCd0MA
IRS990EZ/SubjectToProxyTaxInd00
IRS990EZ/SumOfTotalLiabilitiesGrp/BOYAmt014836
IRS990EZ/SumOfTotalLiabilitiesGrp/EOYAmt014622
IRS990EZ/TanningServicesProvidedInd00
IRS990EZ/TaxImposedOnOrganizationMgrAmt00
IRS990EZ/TaxImposedUnderIRC4911Amt00
IRS990EZ/TaxImposedUnderIRC4912Amt00
IRS990EZ/TaxImposedUnderIRC4955Amt00
IRS990EZ/TaxReimbursedByOrganizationAmt00
IRS990EZ/TotalExpensesAmt0133775
IRS990EZ/TotalProgramServiceExpensesAmt0133775
IRS990EZ/TotalRevenueAmt0140793
IRS990EZ/TransactionWithControlEntInd00
IRS990EZ/TrnsfrExmptNonChrtblRltdOrgInd00
IRS990EZ/TypeOfOrganizationCorpInd0X
IRS990EZ/WebsiteAddressTxt0www.debonteleeuw.org
IRS990ScheduleA/SchoolInd0X
IRS990ScheduleE/ComplianceWithRevProc7550Ind01
IRS990ScheduleE/DiscriminateRaceAdmissPlcyInd00
IRS990ScheduleE/DiscriminateRaceAthltProgInd00
IRS990ScheduleE/DiscriminateRaceEducPlcyInd00
IRS990ScheduleE/DiscriminateRaceEmplmFcultyInd00
IRS990ScheduleE/DiscriminateRaceOtherActyInd00
IRS990ScheduleE/DiscriminateRaceSchsInd00
IRS990ScheduleE/DiscriminateRaceStdntsRghtsInd00
IRS990ScheduleE/DiscriminateRaceUseOfFcltsInd00
IRS990ScheduleE/GovernmentFinancialAidRcvdInd00
IRS990ScheduleE/GovernmentFinancialAidRvkdInd00
IRS990ScheduleE/MaintainCpyOfAllSolInd01
IRS990ScheduleE/MaintainCpyOfBrochuresEtcInd01
IRS990ScheduleE/MaintainRacialCompRecsInd01
IRS990ScheduleE/MaintainScholarshipsRecsInd00
IRS990ScheduleE/NondiscriminatoryPolicyStmtInd01
IRS990ScheduleE/PlcyPblczdViaBroadcastMediaInd00
IRS990ScheduleE/PolicyStmtInBrochuresEtcInd01
IRS990ScheduleE/SupplementalInformationDetail/ExplanationTxt0Policy is know in the Dutch and Flemish Community in Boston and is described in the school plan and school guide, which can be downloaded from the website.
IRS990ScheduleE/SupplementalInformationDetail/ExplanationTxt1No Scholarships given
IRS990ScheduleE/SupplementalInformationDetail/FormAndLineReferenceDesc0Schedule E, Part I, Line 3
IRS990ScheduleE/SupplementalInformationDetail/FormAndLineReferenceDesc1Schedule E, Part I, Line 4
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt0Description;Amount^Accounting;2427|Bad debs;2150|Bank charges;35|Board expenses;-342|Branded Merchandise;655|Test Licenses;265|Dues and Subscriptions;663|Gifts;1719|Meals;153|Merchant fees;949|Miscelleneous;198|Office expenses;162|School events;1068|Supplies;1000|Taxes and Licenses;205|Training;4419|Travel;254|Website and Software;262^Total;16242^
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt1Description;Amount^Rounding difference;-1^Total;-1^
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt2Description;EOY Amount^Prepaid expemses;487|Accounts Receivable;3702^Total;4189^
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt3Description;EOY Amount^Accounts Payable;3776|Funding Next fiscal year;10846^Total;14622^
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc0Form 990-EZ, Part I, Line 16
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc1Form 990-EZ, Part I, Line 20
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc2Form 990-EZ, Part II, Line 24
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc3Form 990-EZ, Part II, Line 26
ReturnHeader/BuildTS02025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/PersonNm0Robrecht Thoonen
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt0Treasurer
ReturnHeader/BusinessOfficerGrp/PhoneNum06174600823
ReturnHeader/BusinessOfficerGrp/SignatureDt02025-12-07
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt0DE BONTE LEEUW INC
ReturnHeader/Filer/BusinessNameControlTxt0DEBO
ReturnHeader/Filer/EIN0264661876
ReturnHeader/Filer/PhoneNum07815706869
ReturnHeader/Filer/USAddress/AddressLine1Txt037 Brookside Ave
ReturnHeader/Filer/USAddress/CityNm0Winchester
ReturnHeader/Filer/USAddress/StateAbbreviationCd0MA
ReturnHeader/Filer/USAddress/ZIPCd001890
ReturnHeader/IRSResponsiblePrtyInfoCurrInd01
ReturnHeader/ReturnTs02025-12-07T12:02:32-07:00
ReturnHeader/ReturnTypeCd0990EZ
ReturnHeader/TaxPeriodBeginDt02024-08-01
ReturnHeader/TaxPeriodEndDt02025-07-31
ReturnHeader/TaxYr02024

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