Liabilities / Assets
44th percentile
Higher debt load relative to assets than 44% of similar nonprofits.
EIN 23-7197814 • 501(c)3 • Washington, DC
Profile
Isb is a collaborative learning community that inspires and empowers its members to discover their passions to be global innovators.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
44th percentile
Higher debt load relative to assets than 44% of similar nonprofits.
Liabilities / Revenue
51st percentile
Higher debt load relative to revenue than 51% of similar nonprofits.
Net Margin
72nd percentile
Higher net margin than 72% of similar nonprofits.
Top Officer Pay
54th percentile
Higher top officer pay than 54% of similar nonprofits.
Top officer pay equals 1.9% of source-year revenue.
Asset Growth
84th percentile
Faster asset growth than 84% of similar nonprofits.
Revenue Growth
55th percentile
Faster revenue growth than 55% of similar nonprofits.
Assets
Up$26,288,123
Up $4,370,530 (+20%) from 2024
Liabilities
Up$4,163,288
Up $1,475,785 (+55%) from 2024
Net Assets
Up$22,124,835
Up $2,894,745 (+15%) from 2024
Revenue
Up$14,558,946
Up $1,300,712 (+9.8%) from 2024
Expenses
Up$12,090,980
Up $1,854,959 (+18%) from 2024
Net Income
Down$2,467,966
Down $554,247 (-18%) from 2024
Most recent year
2025 • Form 990Facts available. Structured filing facts are available, but richer extracted sections are limited.
Isb is a collaborative learning community that inspires and empowers its members to discover their passions to be global innovators.
Isb is an international collaborative learning community that inspires, prepares and empowers its students to succeed and contribute positively to society.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Rtn Earn Endowment Incm Other Fnds | $19,230,090 | $22,124,835 | ▲ $2,894,745 |
| Savings and Temporary Cash Investments | $15,051,574 | $11,872,046 | ▼ $3,179,528 |
| Cash and Non-Interest-Bearing Accounts | $3,956,790 | $11,013,643 | ▲ $7,056,853 |
| Land, Buildings, and Equipment, Net | $2,158,347 | $2,217,487 | ▲ $59,140 |
| Prepaid Expenses and Deferred Charges | $597,723 | $998,281 | ▲ $400,558 |
| Accounts Receivable | $103,233 | $134,950 | ▲ $31,717 |
| Intangible Assets | $44,902 | $46,692 | ▲ $1,790 |
| Total Assets | $21,917,593 | $26,288,123 | ▲ $4,370,530 |
| Other Assets Total | $5,024 | $5,024 | → $0 |
| Liabilities | |||
| Deferred Revenue | $2,149,082 | $3,146,407 | ▲ $997,325 |
| Other Liabilities | $44,398 | $536,384 | ▲ $491,986 |
| Accounts Payable and Accrued Expenses | $494,023 | $480,497 | ▼ $13,526 |
| Total Liabilities | $2,687,503 | $4,163,288 | ▲ $1,475,785 |
| Net Assets / Fund Balance | |||
| Total Net Assets Fund Balance | $19,230,090 | $22,124,835 | ▲ $2,894,745 |
| Total Liabilities and Net Assets / Fund Balance | $21,917,593 | $26,288,123 | ▲ $4,370,530 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Leasehold Improvements | $1,115,502 | $5,604,540 | $6,720,042 |
| Equipment | $895,823 | $2,541,272 | $3,437,095 |
| Other Land Buildings | $206,162 | $212,828 | $418,990 |
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| Cynthia Ebeid | Chair | FT | $249,686 | $29,773 | $279,459 |
| Name | Title |
|---|---|
| Vladimir Ilic | Vice Chair |
| The Organisation | Director |
| Shary Marshall | - |
| Andrew Whitworth | Member |
| Danijela Cemovic | Member |
| Kasper Hansen | Member |
| Mario Glocknitzer | Member |
| Naida Zecevic Bean | Member |
| Tamara Zujovic | Member |
| Aleksandra Hasegawa | Treasurer |
| Line Item | Amount |
|---|---|
| Salaries, Compensation, and Employee Benefits | $7,518,034 |
| Other Expenses | $4,572,946 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Total Fundraising Expense | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Current Officers, Directors, Trustees, and Key Employees | $5,409,321 | - | - | $5,409,321 |
| Other Employee Benefits | $1,734,775 | - | - | $1,734,775 |
| Depreciation Depletion | - | $1,255,893 | - | $1,255,893 |
| Occupancy | $621,853 | - | - | $621,853 |
| All Other Expenses | $474,904 | - | - | $474,904 |
| Pension Plan Contributions | $367,884 | - | - | $367,884 |
| Other Expenses | $199,835 | - | - | $199,835 |
| Fees for Services Other | $160,336 | - | - | $160,336 |
| Insurance | $69,993 | - | - | $69,993 |
| Information Technology | $56,928 | - | - | $56,928 |
| Advertising | $43,052 | - | - | $43,052 |
| Fees for Services Legal | $36,926 | - | - | $36,926 |
| Office Expenses | $29,038 | - | - | $29,038 |
| Fees for Services Accounting | - | $11,607 | - | $11,607 |
| Other Salaries and Wages | $6,054 | - | - | $6,054 |
| Interest | $1 | - | - | $1 |
| Total Functional Expenses | $10,823,480 | $1,267,500 | $0 | $12,090,980 |
| Line Item | Amount |
|---|---|
| Expenses per Audited Statements | $12,090,980 |
| Total Expenses per Audited Statements | $12,090,980 |
| Total Expenses per Form 990 | $12,090,980 |
| Region | Activity | Services | Offices | Employees | Spending |
|---|---|---|---|---|---|
| Europe Including Iceland and Greenland | Program Services | Operation of Oversea | 1 | 146 | $12,090,980 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
| Liability | Amount |
|---|---|
| Summer Project | $525,379 |
| Tesa Donation | $6,237 |
| Covid 19 Fund | $4,768 |
“Form 990 is filed based on the annual audit of the financial statements. The final report is presented to the board of directors by the finance committee and adopted by the board. Form 990 is then prepared, based on the financial statements, in draft form. The treasurer then meets with the business office to review the draft and to recommend any changes. At that point, after corrections are made, it is signed by the treasurer.”
“Teh financial statements and conflict of interest statement are made available to the public upon request.”
“The director did not receive a w-2. Salary reported on page 7 part vii section a column d per definition of reportable compensation in form 990 instructions.”
“The process for audit oversight and auditor selection has not changed from the prior year.”
“Exchange fluctuations difference”
“Business literature, translation services, substitutes service fee, consulting/other the depreciation expense of $1,255,893 reported in part ix, line 22 corresponds to the amount reflected in the balance sheet and statement of activities. To align the overall net results with the consolidated financial statements prepared in usd, the organization recorded a currency exchange translation difference of approximately $462,519 and depreciation funded from project-specific grants (covid-19 and summer project funds) totaling $88,565 under other expenses. These adjustments were made solely for reconciliation and presentation purposes and do not affect the organizations unrestricted net assets.”
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 | 494023 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 480497 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 103233 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 134950 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | ISB IS AN INTERNATIONAL COLLABORATIVE LEARNING COMMUNITY THAT INSPIRES, PREPARES AND EMPOWERS ITS STUDENTS TO SUCCEED AND CONTRIBUTE POSITIVELY TO SOCIETY. |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 43052 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 43052 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 474904 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 474904 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/AuditCommitteeInd | 0 | true |
| IRS990/BooksInCareOfDetail/ForeignAddress/AddressLine1Txt | 0 | TEMISVARSKA 19 |
| IRS990/BooksInCareOfDetail/ForeignAddress/CityNm | 0 | BELGRADE |
| IRS990/BooksInCareOfDetail/ForeignAddress/CountryCd | 0 | RI |
| IRS990/BooksInCareOfDetail/ForeignAddress/ForeignPostalCd | 0 | 11040 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | THE ORGANISATION |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 2024991536 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 3956790 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 11013643 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 5409321 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 5409321 |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | false |
| IRS990/CompensationProcessOtherInd | 0 | false |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | true |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 56860 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 456237 |
| IRS990/CYOtherExpensesAmt | 0 | 4572946 |
| IRS990/CYOtherRevenueAmt | 0 | 1033820 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 13012029 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 2467966 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 7518034 |
| IRS990/CYTotalExpensesAmt | 0 | 12090980 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 14558946 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 2149082 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 3146407 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 1255893 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 1255893 |
| IRS990/Desc | 0 | OPERATION OF OVERSEAS SCHOOL |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | false |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 10823480 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 11607 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 11607 |
| IRS990/FeesForServicesLegalGrp/ProgramServicesAmt | 0 | 36926 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 36926 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 160336 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 160336 |
| IRS990/ForeignActivitiesInd | 0 | true |
| IRS990/ForeignAddress/AddressLine1Txt | 0 | BULKNEZA AKARADJORDJEVICA92SERBIA |
| IRS990/ForeignAddress/CityNm | 0 | BELGRADE |
| IRS990/ForeignAddress/CountryCd | 0 | RI |
| IRS990/ForeignAddress/ForeignPostalCd | 0 | 11040 |
| IRS990/ForeignCountryCd | 0 | RI |
| IRS990/ForeignFinancialAccountInd | 0 | true |
| IRS990/ForeignOfficeInd | 0 | true |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 4 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 5 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 6 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 7 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 8 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 9 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 10 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 48.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 2.00 |
| 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/InstitutionalTrusteeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 29773 |
| 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/OtherCompensationAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | CYNTHIA EBEID |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | TAMARA ZUJOVIC |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | NAIDA ZECEVIC BEAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | DANIJELA CEMOVIC |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | MARIO GLOCKNITZER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | KASPER HANSEN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | ANDREW WHITWORTH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | VLADIMIR ILIC |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | ALEKSANDRA HASEGAWA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | THE ORGANISATION |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | SHARY MARSHALL |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 249686 |
| 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/ReportableCompFromOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 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/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | VICE CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | DIRECTOR |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/FormationYr | 0 | 1972 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedBasisGrp/ConsolidatedBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | true |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 9 |
| IRS990/GovernmentGrantsAmt | 0 | 56860 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 14558946 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IndependentAuditFinclStmtInd | 0 | true |
| IRS990/IndependentVotingMemberCnt | 0 | 9 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 1 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartIXInd | 0 | X |
| IRS990/InfoInScheduleOPartVIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIInd | 0 | X |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 56928 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 56928 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 69993 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 69993 |
| IRS990/IntangibleAssetsGrp/BOYAmt | 0 | 44902 |
| IRS990/IntangibleAssetsGrp/EOYAmt | 0 | 46692 |
| IRS990/InterestGrp/ProgramServicesAmt | 0 | 1 |
| IRS990/InterestGrp/TotalAmt | 0 | 1 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 456237 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 456237 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/IRPDocumentCnt | 0 | 0 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 8358640 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 2158347 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 2217487 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 10576127 |
| IRS990/LegalDomicileStateCd | 0 | DC |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | ISB IS AN INTERNATIONAL COLLABORATIVE LEARNING COMMUNITY THAT INSPIRES, PREPARES AND EMPOWERS ITS STUDENTS TO SUCCEED AND CONTRIBUTE POSITIVELY TO SOCIETY. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 19230090 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 22124835 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 621853 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 621853 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 29038 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 29038 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrgDoesNotFollowFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 5024 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 5024 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 426779 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 1734775 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 1734775 |
| IRS990/OtherExpensesGrp/Desc | 0 | TRANSPORTATION SERVICES |
| IRS990/OtherExpensesGrp/Desc | 1 | MAINTENANCE EXPENSES |
| IRS990/OtherExpensesGrp/Desc | 2 | FOREIGN EXCHANGE LOSS |
| IRS990/OtherExpensesGrp/Desc | 3 | INSTRUCTIONAL SERVICE |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 346785 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 140272 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 1125523 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 3 | 199835 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 346785 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 140272 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 1125523 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 199835 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 44398 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 536384 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 0 | 611710 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 1 | 611710 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 2 | 611710 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | FOREIGN EXCHANGE GAIN |
| IRS990/OtherRevenueMiscGrp/Desc | 1 | ORGANISATION OF TRANSPO |
| IRS990/OtherRevenueMiscGrp/Desc | 2 | OTHER OPERATING INCOME |
| IRS990/OtherRevenueMiscGrp/RelatedOrExemptFuncIncomeAmt | 0 | 587141 |
| IRS990/OtherRevenueMiscGrp/RelatedOrExemptFuncIncomeAmt | 1 | 353608 |
| IRS990/OtherRevenueMiscGrp/RelatedOrExemptFuncIncomeAmt | 2 | 93071 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 587141 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 1 | 353608 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 2 | 93071 |
| IRS990/OtherRevenueTotalAmt | 0 | 1033820 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 6054 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 6054 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PensionPlanContributionsGrp/ProgramServicesAmt | 0 | 367884 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 367884 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 597723 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 998281 |
| IRS990/PrincipalOfficerNm | 0 | ALEKSANDRA HASEGAWA |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 611710 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 1 | 611710 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 2 | 611710 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | TUITION INCOME |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | CAPITAL FEE INCOME |
| IRS990/ProgramServiceRevenueGrp/Desc | 2 | MISCELLANEOUS FEE INCOM |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 11746370 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 1 | 895680 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 2 | 369979 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 11746370 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | 895680 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 2 | 369979 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 70576 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYInvestmentIncomeAmt | 0 | 514296 |
| IRS990/PYOtherExpensesAmt | 0 | 3764101 |
| IRS990/PYOtherRevenueAmt | 0 | 788464 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 11884898 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 3022213 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 6471920 |
| IRS990/PYTotalExpensesAmt | 0 | 10236021 |
| IRS990/PYTotalRevenueAmt | 0 | 13258234 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 2467966 |
| IRS990/RegularMonitoringEnfrcInd | 0 | false |
| 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 | 14045849 |
| IRS990/RtnEarnEndowmentIncmOthFndsGrp/BOYAmt | 0 | 19230090 |
| IRS990/RtnEarnEndowmentIncmOthFndsGrp/EOYAmt | 0 | 22124835 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 15051574 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 11872046 |
| 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/EquipmentGrp/BookValueAmt | 0 | 895823 |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 2541272 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 3437095 |
| IRS990ScheduleD/ExpensesSubtotalAmt | 0 | 12090980 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/BookValueAmt | 0 | 1115502 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/DepreciationAmt | 0 | 5604540 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/OtherCostOrOtherBasisAmt | 0 | 6720042 |
| IRS990ScheduleD/OtherLandBuildingsGrp/BookValueAmt | 0 | 206162 |
| IRS990ScheduleD/OtherLandBuildingsGrp/DepreciationAmt | 0 | 212828 |
| IRS990ScheduleD/OtherLandBuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 418990 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 0 | 6237 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 1 | 4768 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 2 | 525379 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 0 | TESA DONATION |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 1 | COVID 19 FUND |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 2 | SUMMER PROJECT |
| IRS990ScheduleD/RevenueSubtotalAmt | 0 | 14558947 |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 2217487 |
| IRS990ScheduleD/TotalExpensesPerForm990Amt | 0 | 12090980 |
| IRS990ScheduleD/TotalLiabilityAmt | 0 | 536384 |
| IRS990ScheduleD/TotalRevenuePerForm990Amt | 0 | 14558947 |
| IRS990ScheduleD/TotalRevEtcAuditedFinclStmtAmt | 0 | 14558947 |
| IRS990ScheduleD/TotExpnsEtcAuditedFinclStmtAmt | 0 | 12090980 |
| 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 | true |
| 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 | THE ORGANIZATION RECEIVES GRANT FUNDING FROM THE U.S. DEPARTMENT OF STATE. |
| IRS990ScheduleE/SupplementalInformationDetail/ExplanationTxt | 1 | THE RACIALLY NONDISCRIMINATORY POLICY IS STATED IN THE BOARD POLICY AVAILABLE ON THE SCHOOLS WEBSITE. |
| IRS990ScheduleE/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Governmental Agency Financial Aid (Questions 6a and 6b) |
| IRS990ScheduleE/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | Description of nondiscriminatory policy (Question 3) |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/EmployeeCnt | 0 | 146 |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/OfficesCnt | 0 | 1 |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTotalExpendituresAmt | 0 | 12090980 |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTxt | 0 | EUROPE INCLUDING ICELAND AND GREENLAND |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/SpecificServicesProvidedTxt | 0 | OPERATION OF OVERSEA |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/TypeOfActivitiesConductedTxt | 0 | PROGRAM SERVICES |
| IRS990ScheduleF/BoycottCountriesInd | 0 | false |
| IRS990ScheduleF/ForeignCorpOwnershipInd | 0 | false |
| IRS990ScheduleF/ForeignPartnershipInd | 0 | false |
| IRS990ScheduleF/InterestInForeignTrustInd | 0 | false |
| IRS990ScheduleF/PassiveForeignInvestmestCoInd | 0 | false |
| IRS990ScheduleF/SubtotalEmployeesCnt | 0 | 146 |
| IRS990ScheduleF/SubtotalOfficesCnt | 0 | 1 |
| IRS990ScheduleF/SubtotalSpentAmt | 0 | 12090980 |
| IRS990ScheduleF/SupplementalInformationDetail/ExplanationTxt | 0 | TOTAL EXPENDITURES IN THE REGION = $ 12,090,980.EXPENDITURES ARE CALCULATED USING THE ACCRUAL METHOD OF ACCOUNTING. |
| IRS990ScheduleF/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Method of accounting for expenditures (Part I, line 3, col f) |
| IRS990ScheduleF/TotalEmployeeCnt | 0 | 146 |
| IRS990ScheduleF/TotalOfficeCnt | 0 | 1 |
| IRS990ScheduleF/TotalSpentAmt | 0 | 12090980 |
| IRS990ScheduleF/TransferToForeignCorpInd | 0 | false |
| IRS990ScheduleJ/AnyNonFixedPaymentsInd | 0 | false |
| IRS990ScheduleJ/CompBasedOnRevenueOfFlngOrgInd | 0 | false |
| IRS990ScheduleJ/CompBsdNetEarnsFlngOrgInd | 0 | false |
| IRS990ScheduleJ/CompBsdNetEarnsRltdOrgsInd | 0 | false |
| IRS990ScheduleJ/CompBsdOnRevRelatedOrgsInd | 0 | false |
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