Liabilities / Assets
67th percentile
Higher debt load relative to assets than 67% of similar nonprofits.
EIN 23-7385862 • 501(c)3 • Glenview, IL
Profile
Support of the music program which provides experiences for high school students in several aspects of music - jazz, marching and concert.
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
70th percentile
Higher debt load relative to revenue than 70% of similar nonprofits.
Net Margin
76th percentile
Higher net margin than 76% of similar nonprofits.
Top Officer Pay
80th percentile
Higher top officer pay than 80% of similar nonprofits.
Top officer pay equals 0.0% of source-year revenue.
Asset Growth
77th percentile
Faster asset growth than 77% of similar nonprofits.
Revenue Growth
34th percentile
Faster revenue growth than 34% of similar nonprofits.
Assets
Up$49,393
Up $13,452 (+37%) from 2024
Liabilities
Up$806
Up $693 (+613%) from 2024
Net Assets
Up$48,587
Up $12,759 (+36%) from 2024
Revenue
Down$42,650
Down $7,731 (-15%) from 2024
Expenses
Down$29,891
Down $29,565 (-50%) from 2024
Net Income
Up$12,759
Up $21,834 (+241%) from 2024
Most recent year
2025 • Form 990EZDetailed filing. Detailed filing data is available for this year.
| Balance Sheet | Operations | |||||
|---|---|---|---|---|---|---|
| Year | Assets | Liabilities | Net Assets | Revenue | Expenses | Net Income |
| 2025Detailed filing. Detailed filing data is available for this year. | $49.4 | $0.81 | $48.6 | $42.7 | $29.9 | $12.8 |
| 2024Detailed filing. Detailed filing data is available for this year. | $35.9 | $0.11 | $35.8 | $50.4 | $59.5 | $9.08 |
| 2023Detailed filing. Detailed filing data is available for this year. | $46.9 | $2.01 | $44.9 | $46.7 | $39.4 | $7.31 |
Support of the music program which provides experiences for high school students in several aspects of music - jazz, marching and concert.
| Description | Grants | Expenses |
|---|---|---|
| SUPPORT OF THE MUSIC PROGRAM, WHICH PROVIDES EXPERIENCES FOR HIGH SCHOOL STUDENTS IN SEVERAL ASPECTS OF MUSIC - JAZZ, MARCHING ADN CONCERT. | - | $25,516 |
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| BETH PARKER | President | PT | $0 | - | - |
| LAURA HANCKO | Treasurer | PT | $0 | - | - |
| RHONDA HUEBLEIN | Secretary | PT | $0 | - | - |
“Description:PROGRAM SERVICE REVENU Amount:25134”
“Description:OFFICE Amount:320”
“Description:UNIFORM COSTS Amount:5014”
“Description:BAND CAMP/MEALS Amount:3625”
“Description:STUDENT AWARDS/SCHOLARSHIPS Amount:4230”
“Description:MARCHING BAND PROGRAM COSTS Amount:3910”
“Description:RECRUITING Amount:232”
“Description:DRUM MAJOR CLINIC Amount:1845”
“Description:FUNDRAISING EVENTS Amount:3930”
“Description:BANQUET Amount:6243”
“Description:BANDORAMA Amount:417”
“Description:OTHER Amount:100”
“Description:TAXES Amount:25”
“Description:STUDENT FUNDRAISING ACCOUNTS BOY Amount:113”
“Description:STUDENT FUNDRAISING ACCOUNTS BOY Amount:113 EOY Amount:806”
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/ActivitiesNotPreviouslyRptInd | 0 | false |
| IRS990EZ/BooksInCareOfDetail/PersonNm | 0 | LAURA HANCKO |
| IRS990EZ/BooksInCareOfDetail/PhoneNum | 0 | 8476910463 |
| IRS990EZ/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 218 NOTTINGHAM AVE |
| IRS990EZ/BooksInCareOfDetail/USAddress/CityNm | 0 | GLENVIEW |
| IRS990EZ/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | IL |
| IRS990EZ/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 60025 |
| IRS990EZ/CashSavingsAndInvestmentsGrp/BOYAmt | 0 | 35828 |
| IRS990EZ/CashSavingsAndInvestmentsGrp/EOYAmt | 0 | 49393 |
| IRS990EZ/ChgMadeToOrgnzngDocNotRptInd | 0 | false |
| IRS990EZ/CostOfGoodsSoldAmt | 0 | 0 |
| IRS990EZ/CostOrOtherBasisExpenseSaleAmt | 0 | 0 |
| IRS990EZ/DonorAdvisedFndsInd | 0 | false |
| IRS990EZ/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990EZ/ExcessOrDeficitForYearAmt | 0 | 12759 |
| IRS990EZ/FiledScheduleAInd | 0 | true |
| IRS990EZ/ForeignFinancialAccountInd | 0 | false |
| IRS990EZ/ForeignOfficeInd | 0 | false |
| IRS990EZ/Form1120PolFiledInd | 0 | false |
| IRS990EZ/Form990TotalAssetsGrp/BOYAmt | 0 | 35941 |
| IRS990EZ/Form990TotalAssetsGrp/EOYAmt | 0 | 49393 |
| IRS990EZ/FundraisingGrossIncomeAmt | 0 | 17516 |
| IRS990EZ/GainOrLossFromSaleOfAssetsAmt | 0 | 0 |
| IRS990EZ/GrossProfitLossSlsOfInvntryAmt | 0 | 0 |
| IRS990EZ/GrossReceiptsAmt | 0 | 42650 |
| IRS990EZ/InfoInScheduleOPartIIInd | 0 | X |
| IRS990EZ/InfoInScheduleOPartIInd | 0 | X |
| IRS990EZ/LandAndBuildingsGrp/BOYAmt | 0 | 0 |
| IRS990EZ/LandAndBuildingsGrp/EOYAmt | 0 | 0 |
| IRS990EZ/LobbyingActivitiesInd | 0 | false |
| IRS990EZ/MadeLoansToFromOfficersInd | 0 | false |
| IRS990EZ/MethodOfAccountingCashInd | 0 | X |
| IRS990EZ/NetAssetsOrFundBalancesBOYAmt | 0 | 35828 |
| IRS990EZ/NetAssetsOrFundBalancesEOYAmt | 0 | 48587 |
| IRS990EZ/NetAssetsOrFundBalancesGrp/BOYAmt | 0 | 35828 |
| IRS990EZ/NetAssetsOrFundBalancesGrp/EOYAmt | 0 | 48587 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 0 | 5.0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 1 | 5.0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 2 | 5.0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 0 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 1 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 2 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 0 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 1 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 2 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 0 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 1 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 2 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 0 | BETH PARKER |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 1 | LAURA HANCKO |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 2 | RHONDA HUEBLEIN |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 0 | PRESIDENT |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 1 | TREASURER |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 2 | SECRETARY |
| IRS990EZ/OperateHospitalInd | 0 | false |
| IRS990EZ/Organization501c3Ind | 0 | X |
| IRS990EZ/OrganizationDissolvedEtcInd | 0 | false |
| IRS990EZ/OrganizationHadUBIInd | 0 | false |
| IRS990EZ/OtherAssetsTotalDetail/BOYAmt | 0 | 113 |
| IRS990EZ/OtherAssetsTotalDetail/EOYAmt | 0 | 0 |
| IRS990EZ/OtherExpensesTotalAmt | 0 | 29891 |
| IRS990EZ/OtherRevenueTotalAmt | 0 | 25134 |
| IRS990EZ/PoliticalCampaignActyInd | 0 | false |
| IRS990EZ/PrimaryExemptPurposeTxt | 0 | SUPPORT OF THE MUSIC PROGRAM WHICH PROVIDES EXPERIENCES FOR HIGH SCHOOL STUDENTS IN SEVERAL ASPECTS OF MUSIC - JAZZ, MARCHING AND CONCERT. |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt | 0 | SUPPORT OF THE MUSIC PROGRAM, WHICH PROVIDES EXPERIENCES FOR HIGH SCHOOL STUDENTS IN SEVERAL ASPECTS OF MUSIC - JAZZ, MARCHING ADN CONCERT. |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/ProgramServiceExpensesAmt | 0 | 25516 |
| IRS990EZ/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990EZ/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990EZ/SalariesOtherCompEmplBnftAmt | 0 | 0 |
| IRS990EZ/SpecialEventsDirectExpensesAmt | 0 | 0 |
| IRS990EZ/SpecialEventsNetIncomeLossAmt | 0 | 17516 |
| IRS990EZ/SubjectToProxyTaxInd | 0 | false |
| IRS990EZ/SumOfTotalLiabilitiesGrp/BOYAmt | 0 | 113 |
| IRS990EZ/SumOfTotalLiabilitiesGrp/EOYAmt | 0 | 806 |
| IRS990EZ/TanningServicesProvidedInd | 0 | false |
| IRS990EZ/TotalExpensesAmt | 0 | 29891 |
| IRS990EZ/TotalProgramServiceExpensesAmt | 0 | 25516 |
| IRS990EZ/TotalRevenueAmt | 0 | 42650 |
| IRS990EZ/TransactionWithControlEntInd | 0 | false |
| IRS990EZ/TrnsfrExmptNonChrtblRltdOrgInd | 0 | false |
| IRS990EZ/TypeOfOrganizationCorpInd | 0 | X |
| IRS990EZ/WebsiteAddressTxt | 0 | WWW.GBSIL.ORG |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearAmt | 0 | 17516 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus1YearAmt | 0 | 16491 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 4090 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 1015 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 3000 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt | 0 | 42112 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl509Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearAmt | 0 | 25134 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus1YearAmt | 0 | 34045 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus2YearsAmt | 0 | 43148 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus3YearsAmt | 0 | 34542 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus4YearsAmt | 0 | 2778 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/TotalAmt | 0 | 139647 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/InvestmentIncomeCYPct | 0 | 0.00000 |
| IRS990ScheduleA/InvestmentIncomePYPct | 0 | 0.00000 |
| IRS990ScheduleA/NetIncomeFromOtherUBIGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/OtherIncome509Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/Post1975UBTIGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/PubliclySupportedOrg509a2Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY509Pct | 0 | 1.00000 |
| IRS990ScheduleA/PublicSupportPY509Pct | 0 | 1.00000 |
| IRS990ScheduleA/PublicSupportTotal509Amt | 0 | 181759 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/SubstantialContributorsAmtGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft509Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY509Ind | 0 | X |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt | 0 | 42650 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt | 0 | 50536 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 47238 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 35557 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 5778 |
| IRS990ScheduleA/Total509Grp/TotalAmt | 0 | 181759 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearAmt | 0 | 42650 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus1YearAmt | 0 | 50536 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus2YearsAmt | 0 | 47238 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus3YearsAmt | 0 | 35557 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus4YearsAmt | 0 | 5778 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt | 0 | 181759 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | Description:PROGRAM SERVICE REVENU Amount:25134 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | Description:OFFICE Amount:320 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | Description:UNIFORM COSTS Amount:5014 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | Description:BAND CAMP/MEALS Amount:3625 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | Description:STUDENT AWARDS/SCHOLARSHIPS Amount:4230 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 5 | Description:MARCHING BAND PROGRAM COSTS Amount:3910 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 6 | Description:RECRUITING Amount:232 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 7 | Description:DRUM MAJOR CLINIC Amount:1845 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 8 | Description:FUNDRAISING EVENTS Amount:3930 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 9 | Description:BANQUET Amount:6243 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 10 | Description:BANDORAMA Amount:417 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 11 | Description:OTHER Amount:100 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 12 | Description:TAXES Amount:25 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 13 | Description:STUDENT FUNDRAISING ACCOUNTS BOY Amount:113 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 14 | Description:STUDENT FUNDRAISING ACCOUNTS BOY Amount:113 EOY Amount:806 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990EZ PART I LINE 8 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990EZ PART I LINE 16 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990EZ PART I LINE 16 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990EZ PART I LINE 16 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | FORM 990EZ PART I LINE 16 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 5 | FORM 990EZ PART I LINE 16 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 6 | FORM 990EZ PART I LINE 16 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 7 | FORM 990EZ PART I LINE 16 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 8 | FORM 990EZ PART I LINE 16 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 9 | FORM 990EZ PART I LINE 16 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 10 | FORM 990EZ PART I LINE 16 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 11 | FORM 990EZ PART I LINE 16 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 12 | FORM 990EZ PART I LINE 16 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 13 | FORM 990EZ PART II LINE 24 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 14 | FORM 990EZ PART II LINE 26 |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | LAURA HANCKO |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | TREASURER |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 8476910463 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2025-08-31 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | GLENBROOK SOUTH INSTRUMENTAL LEAGUE |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | GLEN |
| ReturnHeader/Filer/EIN | 0 | 237385862 |
| ReturnHeader/Filer/InCareOfNm | 0 | % LAURA HANCKO |
| ReturnHeader/Filer/PhoneNum | 0 | 8476910463 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | 4000 WEST LAKE AVENUE |
| ReturnHeader/Filer/USAddress/CityNm | 0 | GLENVIEW |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | IL |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 60026 |
| ReturnHeader/IRSResponsiblePrtyInfoCurrInd | 0 | true |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | DOWNEY ADVISORS LLC |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 2205 COTTONWOOD DR |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | GLENVIEW |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | IL |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 60026 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 8472123505 |
| ReturnHeader/PreparerPersonGrp/PreparationDt | 0 | 2025-08-20 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | AMY DOWNEY |
| ReturnHeader/ReturnTs | 0 | 2025-09-12T16:45:50-05:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990EZ |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2024-06-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2025-05-31 |
| ReturnHeader/TaxYr | 0 | 2024 |
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