Liabilities / Assets
68th percentile
Higher debt load relative to assets than 68% of similar nonprofits.
EIN 52-2170291 • 501(c)3 • Baltimore, MD
Profile
Historic ships in baltimore preserves and maintains uss constellation, uss torsk, ls116 chesapeake, uscgc taney and the seven foot knoll license, all registered national historic landmarks, providing historical interpretation and hands-on education programming for the general public, school and youth groups.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
68th percentile
Higher debt load relative to assets than 68% of similar nonprofits.
Liabilities / Revenue
82nd percentile
Higher debt load relative to revenue than 82% of similar nonprofits.
Net Margin
23rd percentile
Higher net margin than 23% of similar nonprofits.
Top Officer Pay
23rd percentile
Higher top officer pay than 23% of similar nonprofits.
Top officer pay equals 0.0% of source-year revenue.
Asset Growth
54th percentile
Faster asset growth than 54% of similar nonprofits.
Revenue Growth
75th percentile
Faster revenue growth than 75% of similar nonprofits.
Assets
Up$5,187,375
Up $258,680 (+5.2%) from 2023
Liabilities
Up$1,583,255
Up $369,165 (+30%) from 2023
Net Assets
Down$3,604,120
Down $110,485 (-3.0%) from 2023
Revenue
Up$1,920,806
Up $420,570 (+28%) from 2023
Expenses
Up$2,059,994
Up $289,031 (+16%) from 2023
Net Income
Up-$139,188
Up $131,539 (+49%) from 2023
Most recent year
2024 • Form 990Facts available. Structured filing facts are available, but richer extracted sections are limited.
Historic ships in baltimore preserves and maintains uss constellation, uss torsk, ls116 chesapeake, uscgc whec-37 and the seven foot knoll license, all registered national historic landmarks, providing historical interpretation and hands-on education programming for the general public, school and youth groups.
Historic ships in baltimore preserves and maintains uss constellation, uss torsk, lv116 chesapeake, uscgc whec-37, and the seven foot knoll lighthouse, all registered national historic landmarks, providing historical interpretation and hands-on education programming for the general public, school and youth groups.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Land, Buildings, and Equipment, Net | $3,663,248 | $3,740,826 | ▲ $77,578 |
| Investments in Publicly Traded Securities | $1,148,489 | $1,240,258 | ▲ $91,769 |
| Pledges and Grants Receivable | $20,780 | $108,485 | ▲ $87,705 |
| Inventories for Sale or Use | $51,609 | $60,684 | ▲ $9,075 |
| Accounts Receivable | $42,068 | $35,567 | ▼ $6,501 |
| Prepaid Expenses and Deferred Charges | $2,501 | $1,555 | ▼ $946 |
| Total Assets | $4,928,695 | $5,187,375 | ▲ $258,680 |
| Liabilities | |||
| Other Liabilities | $1,117,614 | $1,471,339 | ▲ $353,725 |
| Accounts Payable and Accrued Expenses | $87,484 | $97,550 | ▲ $10,066 |
| Deferred Revenue | $8,992 | $14,366 | ▲ $5,374 |
| Total Liabilities | $1,214,090 | $1,583,255 | ▲ $369,165 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $2,343,570 | $2,323,639 | ▼ $19,931 |
| Net Assets With Donor Restrictions | $1,371,035 | $1,280,481 | ▼ $90,554 |
| Total Net Assets Fund Balance | $3,714,605 | $3,604,120 | ▼ $110,485 |
| Total Liabilities and Net Assets / Fund Balance | $4,928,695 | $5,187,375 | ▲ $258,680 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Other Land Buildings | $3,439,220 | $3,900,249 | $7,339,469 |
| Leasehold Improvements | $137,559 | $674,011 | $811,570 |
| Buildings | $164,047 | $40,420 | $204,467 |
| Equipment | $0 | $186,632 | $186,632 |
| Period | Beginning | Contrib. | Gain/Loss | Other Uses | End |
|---|---|---|---|---|---|
| 2024 | $1,111,960 | - | ▲ $90,274 | - | $1,202,234 |
| 2023 | $996,296 | - | ▲ $115,664 | - | $1,111,960 |
| 2022 | $1,138,123 | $3,000 | ▼ $144,827 | - | $996,296 |
| 2021 | $1,040,438 | $3,000 | ▲ $108,536 | $13,851 | $1,138,123 |
| 2020 | $975,461 | $3,000 | ▲ $126,548 | $64,571 | $1,040,438 |
| Name | Title |
|---|---|
| See Schedule O | Trustee |
| Line Item | Amount |
|---|---|
| Other Expenses | $1,364,351 |
| Salaries, Compensation, and Employee Benefits | $695,643 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Total Fundraising Expense | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Other Salaries and Wages | $619,737 | - | - | $619,737 |
| Depreciation Depletion | $322,747 | - | - | $322,747 |
| Office Expenses | $91,172 | - | - | $91,172 |
| Fees for Services Other | $81,215 | - | - | $81,215 |
| All Other Expenses | $78,750 | - | - | $78,750 |
| Insurance | $55,920 | - | - | $55,920 |
| Payroll Taxes | $49,814 | - | - | $49,814 |
| Other Expenses | $35,716 | $299,023 | - | $35,716 |
| Other Employee Benefits | $21,982 | - | - | $21,982 |
| Travel | $20,693 | - | - | $20,693 |
| Occupancy | $13,577 | - | - | $13,577 |
| Interest | $10,303 | - | - | $10,303 |
| Advertising | $8,588 | - | - | $8,588 |
| Fees for Service Investment Mgmnt Fees | - | $6,089 | - | $6,089 |
| Pension Plan Contributions | $4,110 | - | - | $4,110 |
| Total Functional Expenses | $1,754,882 | $305,112 | $0 | $2,059,994 |
| Line Item | Amount |
|---|---|
| Total Expenses per Audited Statements | $2,085,856 |
| Total Expenses per Form 990 | $2,059,994 |
| Expenses per Audited Statements | $2,053,905 |
| Expenses Not Reported on Form 990 | $31,951 |
| Expenses Not Reported on Financial Statements | $6,089 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
| Liability | Amount |
|---|---|
| Intercompany Liabilities | $1,471,339 |
“Line 11a explanation - the 990 is reviewed by the trustees of the corporation at their board meeting before the return is filed.”
“The policy is monitored during annual salary reviews and approval of vendors.”
“The organization compares their salaries to other tax exempt organizations in the same area. The ceo salary and benefits are approved annually by the compensation committee. That committee meets at least annually, researches salaries of other tax exempt organizations to ensure reasonableness for the ceo compensation package. The other officers' salaries are approved by the ceo. In 2017 a formal compensation study was done.”
“The governing documents can be requested at the organization's headquarters located at 1417 thames street, baltimore, md 21231. The organization makes its annual report available on the website - www.livingclassrooms.org.”
“The organization is under control of living classrooms foundation, inc. (ein #52-1369524). The trustees and officers of that corporation control the activity of this entity which does not have a formal board or officers. See living classrooms foundation's form 990 (ein #52-1369524) for their listing of the trustees and officers.”
“The organization has collections of numerous artifacts of historical significance that have been donated to the organization and are maintained and on display in its facilities. Each of these items is cataloged, preserved, and cared for, and activities verifying their existence and assessing their condition are performed continuously. These items have not been recognized as assets on the statement of financial position, especially due to the difficulty of determining their fair values.”
“The museum is a charitable organization under section 501(c)(3) of the internal revenue code and, as such, is exempt from federal and state income taxes. The museum's federal exempt organization tax returns are subject to examination by the internal revenue service, generally for a period of three years after they are filed.”
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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|---|---|---|
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| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 97550 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 42068 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 35567 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | HISTORIC SHIPS IN BALTIMORE PRESERVES AND MAINTAINS USS CONSTELLATION, USS TORSK, LV116 CHESAPEAKE, USCGC WHEC-37, AND THE SEVEN FOOT KNOLL LIGHTHOUSE, ALL REGISTERED NATIONAL HISTORIC LANDMARKS, PROVIDING HISTORICAL INTERPRETATION AND HANDS-ON EDUCATION PROGRAMMING FOR THE GENERAL PUBLIC, SCHOOL AND YOUTH GROUPS. |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 8588 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 8588 |
| IRS990/AllOtherContributionsAmt | 0 | 75092 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 78750 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 78750 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
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| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 4106850295 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 1417 THAMES STREET |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | BALTIMORE |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | MD |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 21231 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 0 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | 1 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 1 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 1 |
| IRS990/CostOfGoodsSoldAmt | 0 | 81400 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 591607 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 69154 |
| IRS990/CYOtherExpensesAmt | 0 | 1364351 |
| IRS990/CYOtherRevenueAmt | 0 | 72061 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 1187984 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -139188 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 695643 |
| IRS990/CYTotalExpensesAmt | 0 | 2059994 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 1920806 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 8992 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 14366 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 322747 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 322747 |
| IRS990/Desc | 0 | PRESERVES HISTORIC U.S. NAVY SAILING VESSELS AS MUSEUMS OPEN TO THE PUBLIC AND CONDUCTS EDUCATIONAL PROGRAMS. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 1 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
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| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 1280481 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 1 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 1754882 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 81215 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 81215 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ManagementAndGeneralAmt | 0 | 6089 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 6089 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | SEE SCHEDULE O |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | TRUSTEE |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1984 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/ConsolAndSepBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 38398 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 83 |
| IRS990/GovernmentGrantsAmt | 0 | 516515 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 294337 |
| IRS990/GrossReceiptsAmt | 0 | 2258145 |
| IRS990/GrossSalesOfInventoryAmt | 0 | 153461 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 83 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 55920 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 55920 |
| IRS990/InterestGrp/ProgramServicesAmt | 0 | 10303 |
| IRS990/InterestGrp/TotalAmt | 0 | 10303 |
| IRS990/InventoriesForSaleOrUseGrp/BOYAmt | 0 | 51609 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 60684 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 30756 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 30756 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 1148489 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 1240258 |
| IRS990/IRPDocumentCnt | 0 | 6 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
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| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 3663248 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 3740826 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 8542138 |
| IRS990/LegalDomicileStateCd | 0 | MD |
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| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 0 |
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| IRS990/MembersOrStockholdersInd | 0 | 0 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | HISTORIC SHIPS IN BALTIMORE PRESERVES AND MAINTAINS USS CONSTELLATION, USS TORSK, LS116 CHESAPEAKE, USCGC WHEC-37 AND THE SEVEN FOOT KNOLL LICENSE, ALL REGISTERED NATIONAL HISTORIC LANDMARKS, PROVIDING HISTORICAL INTERPRETATION AND HANDS-ON EDUCATION PROGRAMMING FOR THE GENERAL PUBLIC, SCHOOL AND YOUTH GROUPS. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
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| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 3604120 |
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| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 38398 |
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| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 72061 |
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| IRS990/OtherExpensesGrp/Desc | 2 | EQUIPMENT MAINTENANCE |
| IRS990/OtherExpensesGrp/Desc | 3 | FOOD |
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| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 360 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 293602 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 46596 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 3 | 35716 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 299383 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 293602 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 46596 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 35716 |
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| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 1471339 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 619737 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 619737 |
| IRS990/OtherWebsiteInd | 0 | X |
| IRS990/OwnWebsiteInd | 0 | X |
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| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 49814 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 49814 |
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| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 4110 |
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| IRS990/PrincipalOfficerNm | 0 | CINDY WADALAVAGE |
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| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 900099 |
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| IRS990/ProgramServiceRevenueGrp/BusinessCd | 2 | 611110 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | TICKET SALES |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | FLEET WEEK SPONSORSHIP |
| IRS990/ProgramServiceRevenueGrp/Desc | 2 | EDUCATION PROGRAMS |
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| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 1 | 187000 |
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| IRS990/PYTotalExpensesAmt | 0 | 1770963 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 1500236 |
| IRS990/QuidProQuoContributionsInd | 0 | 1 |
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| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
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| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 1 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/RevenueAmt | 0 | 1187984 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearAmt | 0 | 591607 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus1YearAmt | 0 | 300061 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 1944104 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 229077 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 1545256 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt | 0 | 4610105 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearAmt | 0 | 30756 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus1YearAmt | 0 | 26026 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 18691 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 14257 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 14227 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt | 0 | 103957 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearAmt | 0 | 1341445 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus1YearAmt | 0 | 1226232 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus2YearsAmt | 0 | 1295236 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus3YearsAmt | 0 | 800344 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus4YearsAmt | 0 | 113451 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/TotalAmt | 0 | 4776708 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearAmt | 0 | 30756 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus1YearAmt | 0 | 26026 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus2YearsAmt | 0 | 18691 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus3YearsAmt | 0 | 14257 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus4YearsAmt | 0 | 14227 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/TotalAmt | 0 | 103957 |
| IRS990ScheduleA/InvestmentIncomeCYPct | 0 | 0.01100 |
| IRS990ScheduleA/InvestmentIncomePYPct | 0 | 0.01000 |
| IRS990ScheduleA/PubliclySupportedOrg509a2Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY509Pct | 0 | 0.98900 |
| IRS990ScheduleA/PublicSupportPY509Pct | 0 | 0.99000 |
| IRS990ScheduleA/PublicSupportTotal509Amt | 0 | 9386813 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/SubstantialContributorsAmtGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY509Ind | 0 | X |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt | 0 | 1933052 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt | 0 | 1526293 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 3239340 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 1029421 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 1658707 |
| IRS990ScheduleA/Total509Grp/TotalAmt | 0 | 9386813 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearAmt | 0 | 1963808 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus1YearAmt | 0 | 1552319 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus2YearsAmt | 0 | 3258031 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus3YearsAmt | 0 | 1043678 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus4YearsAmt | 0 | 1672934 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt | 0 | 9490770 |
| 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 | 1 |
| IRS990ScheduleD/BuildingsGrp/BookValueAmt | 0 | 164047 |
| IRS990ScheduleD/BuildingsGrp/DepreciationAmt | 0 | 40420 |
| IRS990ScheduleD/BuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 204467 |
| IRS990ScheduleD/CollectionUsedPubExhibitionInd | 0 | X |
| IRS990ScheduleD/CYEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 1111960 |
| IRS990ScheduleD/CYEndwmtFundGrp/EndYearBalanceAmt | 0 | 1202234 |
| IRS990ScheduleD/CYEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 90274 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 996296 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 1111960 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 115664 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 1138123 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/ContributionsAmt | 0 | 3000 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 996296 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | -144827 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 1040438 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/ContributionsAmt | 0 | 3000 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 1138123 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 108536 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/OtherExpendituresAmt | 0 | 13851 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 975461 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/ContributionsAmt | 0 | 3000 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 1040438 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 126548 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/OtherExpendituresAmt | 0 | 64571 |
| IRS990ScheduleD/DonatedServicesAndUseFcltsAmt | 0 | 31951 |
| IRS990ScheduleD/DonatedServicesUseFcltsAmt | 0 | 31951 |
| IRS990ScheduleD/EndowmentsHeldRelatedOrgInd | 0 | 0 |
| IRS990ScheduleD/EndowmentsHeldUnrelatedOrgInd | 0 | 0 |
| IRS990ScheduleD/EquipmentGrp/BookValueAmt | 0 | 0 |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 186632 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 186632 |
| IRS990ScheduleD/ExpensesNotReportedAmt | 0 | 31951 |
| IRS990ScheduleD/ExpensesNotRptFinclStmtAmt | 0 | 6089 |
| IRS990ScheduleD/ExpensesSubtotalAmt | 0 | 2053905 |
| IRS990ScheduleD/FootnoteTextInd | 0 | X |
| IRS990ScheduleD/InvestmentExpensesNotIncld2Amt | 0 | 6089 |
| IRS990ScheduleD/InvestmentExpensesNotIncldAmt | 0 | 6089 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/BookValueAmt | 0 | 137559 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/DepreciationAmt | 0 | 674011 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/OtherCostOrOtherBasisAmt | 0 | 811570 |
| IRS990ScheduleD/NetUnrealizedGainsInvstAmt | 0 | 28703 |
| IRS990ScheduleD/OtherLandBuildingsGrp/BookValueAmt | 0 | 3439220 |
| IRS990ScheduleD/OtherLandBuildingsGrp/DepreciationAmt | 0 | 3900249 |
| IRS990ScheduleD/OtherLandBuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 7339469 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 0 | 1471339 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 0 | INTERCOMPANY LIABILITIES |
| IRS990ScheduleD/RevenueNotReportedAmt | 0 | 60654 |
| IRS990ScheduleD/RevenueNotReportedFinclStmtAmt | 0 | 6089 |
| IRS990ScheduleD/RevenueSubtotalAmt | 0 | 1914717 |
| IRS990ScheduleD/SolicitedAssetsSaleInd | 0 | 0 |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | THE ORGANIZATION HAS COLLECTIONS OF NUMEROUS ARTIFACTS OF HISTORICAL SIGNIFICANCE THAT HAVE BEEN DONATED TO THE ORGANIZATION AND ARE MAINTAINED AND ON DISPLAY IN ITS FACILITIES. EACH OF THESE ITEMS IS CATALOGED, PRESERVED, AND CARED FOR, AND ACTIVITIES VERIFYING THEIR EXISTENCE AND ASSESSING THEIR CONDITION ARE PERFORMED CONTINUOUSLY. THESE ITEMS HAVE NOT BEEN RECOGNIZED AS ASSETS ON THE STATEMENT OF FINANCIAL POSITION, ESPECIALLY DUE TO THE DIFFICULTY OF DETERMINING THEIR FAIR VALUES. |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 1 | THE MUSEUM IS A CHARITABLE ORGANIZATION UNDER SECTION 501(C)(3) OF THE INTERNAL REVENUE CODE AND, AS SUCH, IS EXEMPT FROM FEDERAL AND STATE INCOME TAXES. THE MUSEUM'S FEDERAL EXEMPT ORGANIZATION TAX RETURNS ARE SUBJECT TO EXAMINATION BY THE INTERNAL REVENUE SERVICE, GENERALLY FOR A PERIOD OF THREE YEARS AFTER THEY ARE FILED. |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | PART III, LINE 1A: |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | PART X, LINE 2: |
| IRS990ScheduleD/TermEndowmentBalanceEOYPct | 0 | 1.00000 |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 3740826 |
| IRS990ScheduleD/TotalExpensesPerForm990Amt | 0 | 2059994 |
| IRS990ScheduleD/TotalLiabilityAmt | 0 | 1471339 |
| IRS990ScheduleD/TotalRevenuePerForm990Amt | 0 | 1920806 |
| IRS990ScheduleD/TotalRevEtcAuditedFinclStmtAmt | 0 | 1975371 |
| IRS990ScheduleD/TotExpnsEtcAuditedFinclStmtAmt | 0 | 2085856 |
| IRS990/ScheduleJRequiredInd | 0 | 0 |
| IRS990/ScheduleORequiredInd | 0 | 1 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | LINE 11A EXPLANATION - THE 990 IS REVIEWED BY THE TRUSTEES OF THE CORPORATION AT THEIR BOARD MEETING BEFORE THE RETURN IS FILED. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | THE POLICY IS MONITORED DURING ANNUAL SALARY REVIEWS AND APPROVAL OF VENDORS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | THE ORGANIZATION COMPARES THEIR SALARIES TO OTHER TAX EXEMPT ORGANIZATIONS IN THE SAME AREA. THE CEO SALARY AND BENEFITS ARE APPROVED ANNUALLY BY THE COMPENSATION COMMITTEE. THAT COMMITTEE MEETS AT LEAST ANNUALLY, RESEARCHES SALARIES OF OTHER TAX EXEMPT ORGANIZATIONS TO ENSURE REASONABLENESS FOR THE CEO COMPENSATION PACKAGE. THE OTHER OFFICERS' SALARIES ARE APPROVED BY THE CEO. IN 2017 A FORMAL COMPENSATION STUDY WAS DONE. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | THE GOVERNING DOCUMENTS CAN BE REQUESTED AT THE ORGANIZATION'S HEADQUARTERS LOCATED AT 1417 THAMES STREET, BALTIMORE, MD 21231. THE ORGANIZATION MAKES ITS ANNUAL REPORT AVAILABLE ON THE WEBSITE - WWW.LIVINGCLASSROOMS.ORG. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | THE ORGANIZATION IS UNDER CONTROL OF LIVING CLASSROOMS FOUNDATION, INC. (EIN #52-1369524). THE TRUSTEES AND OFFICERS OF THAT CORPORATION CONTROL THE ACTIVITY OF THIS ENTITY WHICH DOES NOT HAVE A FORMAL BOARD OR OFFICERS. SEE LIVING CLASSROOMS FOUNDATION'S FORM 990 (EIN #52-1369524) FOR THEIR LISTING OF THE TRUSTEES AND OFFICERS. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990, PART VI, SECTION B, LINE 11B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, PART VI, SECTION B, LINE 12C |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990, PART VI, SECTION B, LINE 15 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990, PART VI, SECTION C, LINE 19 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | FORM 990, PART VII, LIST OF TRUSTEES |
| IRS990ScheduleR/AssetExchangeInd | 0 | 0 |
| IRS990ScheduleR/AssetPurchaseFromOtherOrgInd | 0 | 0 |
| IRS990ScheduleR/AssetSaleToOtherOrgInd | 0 | 0 |
| IRS990ScheduleR/DivRelatedOrganizationInd | 0 | 0 |
| IRS990ScheduleR/GiftGrntCapContriFromOthOrgInd | 0 | 0 |
| IRS990ScheduleR/GiftGrntOrCapContriToOthOrgInd | 0 | 0 |
| IRS990ScheduleR/IdDisregardedEntitiesGrp/DirectControllingEntityName/BusinessNameLine1Txt | 0 | HISTORIC SHIPS IN BALTIMORE |
| IRS990ScheduleR/IdDisregardedEntitiesGrp/DisregardedEntityName/BusinessNameLine1Txt | 0 | BALTIMORE MARITIME MUSEUM |
| IRS990ScheduleR/IdDisregardedEntitiesGrp/EIN | 0 | 522112953 |
| IRS990ScheduleR/IdDisregardedEntitiesGrp/LegalDomicileStateCd | 0 | MD |
| IRS990ScheduleR/IdDisregardedEntitiesGrp/PrimaryActivitiesTxt | 0 | EDUCATIONAL |
| IRS990ScheduleR/IdDisregardedEntitiesGrp/USAddress/AddressLine1Txt | 0 | 1417 THAMES STREET |
| IRS990ScheduleR/IdDisregardedEntitiesGrp/USAddress/CityNm | 0 | BALTIMORE |
| IRS990ScheduleR/IdDisregardedEntitiesGrp/USAddress/StateAbbreviationCd | 0 | MD |
| IRS990ScheduleR/IdDisregardedEntitiesGrp/USAddress/ZIPCd | 0 | 21231 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/ControlledOrganizationInd | 0 | 0 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/ControlledOrganizationInd | 1 | 0 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/ControlledOrganizationInd | 2 | 0 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/ControlledOrganizationInd | 3 | 0 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/ControlledOrganizationInd | 4 | 0 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/ControlledOrganizationInd | 5 | 0 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/ControlledOrganizationInd | 6 | 0 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/ControlledOrganizationInd | 7 | 0 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/ControlledOrganizationInd | 8 | 0 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/ControlledOrganizationInd | 9 | 0 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/ControlledOrganizationInd | 10 | 0 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/ControlledOrganizationInd | 11 | 0 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DirectControllingEntityName/BusinessNameLine1Txt | 0 | LIVING CLASSROOMS FOUNDATION SUBSIDIARIE |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DirectControllingEntityName/BusinessNameLine1Txt | 1 | LIVING CLASSROOMS FOUNDATION SUBSIDIARIE |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DirectControllingEntityName/BusinessNameLine1Txt | 2 | LIVING CLASSROOMS FOUNDATION SUBSIDIARIE |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DirectControllingEntityName/BusinessNameLine1Txt | 3 | LIVING CLASSROOMS FOUNDATION INC |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DirectControllingEntityName/BusinessNameLine1Txt | 4 | LIVING CLASSROOMS FOUNDATION SUBSIDIARIE |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DirectControllingEntityName/BusinessNameLine1Txt | 5 | LIVING CLASSROOMS FOUNDATION SUBSIDIARIE |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DirectControllingEntityName/BusinessNameLine1Txt | 6 | LIVING CLASSROOMS FOUNDATION SUBSIDIARIE |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DirectControllingEntityName/BusinessNameLine1Txt | 7 | LIVING CLASSROOMS FOUNDATION INC |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DirectControllingEntityName/BusinessNameLine1Txt | 8 | LIVING CLASSROOMS FOUNDATION INC |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DisregardedEntityName/BusinessNameLine1Txt | 0 | PROJECT SERVE |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DisregardedEntityName/BusinessNameLine1Txt | 1 | NATIONAL HISTORIC SEAPORT OF BALTIMORE |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DisregardedEntityName/BusinessNameLine1Txt | 2 | FREDERICK DOUGLAS-ISAAC MYERS MARITIME |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DisregardedEntityName/BusinessNameLine1Txt | 3 | LIVING CLASSROOMS FOUNDATION INC |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DisregardedEntityName/BusinessNameLine1Txt | 4 | LIVING CLASSROOMS OF AMERICA LLC |
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