Civic Intelligence

International Schools Services Inc

EIN 13-1926673 • 501(c)3 • Princeton, NJ

View Organization Page

Profile

The primary purpose of the organization is to support, provide and encourage American-style education throughout the world.

PO Box 5910Princeton, NJ 08543

iss.edu

Siviq Scores

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

Liabilities / Assets

73rd percentile

0.45x

Higher debt load relative to assets than 73% of similar nonprofits.

501(c)3 • $10M-$25M nonprofits • Source year 2024

Liabilities / Revenue

73rd percentile

0.60x

Higher debt load relative to revenue than 73% of similar nonprofits.

501(c)3 • $10M-$25M nonprofits • Source year 2024

Net Margin

10th percentile

-24%

Higher net margin than 10% of similar nonprofits.

501(c)3 • $10M-$25M nonprofits • Source year 2024

Top Officer Pay

91st percentile

$542,137

Higher top officer pay than 91% of similar nonprofits.

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

501(c)3 • $10M-$25M nonprofits • Source year 2024

Asset Growth

10th percentile

-11%

Faster asset growth than 10% of similar nonprofits.

501(c)3 • $10M-$25M nonprofits • Annualized from 2023 to 2024

Revenue Growth

30th percentile

-1.8%

Faster revenue growth than 30% of similar nonprofits.

501(c)3 • $10M-$25M nonprofits • Annualized from 2023 to 2024

Balance Sheet
Liabilities / Assets73rd percentile

Using 2024 Form 990 data because the latest 2025 filing does not report standard financial totals.

Assets

Down

$19,686,048

Down $2,407,848 (-11%) from 2023

Liabilities

Up

$8,812,012

Up $829,791 (+10%) from 2023

Net Assets

Down

$10,874,036

Down $3,237,639 (-23%) from 2023

Operations
Liabilities / Revenue73rd percentileNet Margin10th percentile

Revenue

Down

$14,598,469

Down $273,833 (-1.8%) from 2023

Expenses

Up

$18,161,546

Up $613,758 (+3.5%) from 2023

Net Income

Down

-$3,563,077

Down $887,591 (-33%) from 2023

Trend Graphs

Balance Sheet Trend

Asset Growth10th percentile

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

$30M$20M$10M$0Assets 2011: $28,706,673Liabilities 2011: $11,401,521Net Assets 2011: $17,305,1522011Assets 2012: $27,438,728Liabilities 2012: $9,376,627Net Assets 2012: $18,062,1012012Assets 2013: $28,231,530Liabilities 2013: $10,022,774Net Assets 2013: $18,208,7562013Assets 2014: $27,840,729Liabilities 2014: $8,344,344Net Assets 2014: $19,496,3852014Assets 2016: $27,451,091Liabilities 2016: $7,157,771Net Assets 2016: $20,293,3202016Assets 2017: $26,147,015Liabilities 2017: $6,107,132Net Assets 2017: $20,039,8832017Assets 2018: $25,813,560Liabilities 2018: $6,478,086Net Assets 2018: $19,335,4742018Assets 2019: $25,849,504Liabilities 2019: $6,500,373Net Assets 2019: $19,349,1312019Assets 2020: $26,603,219Liabilities 2020: $6,831,339Net Assets 2020: $19,771,8802020Assets 2021: $25,642,311Liabilities 2021: $6,273,275Net Assets 2021: $19,369,0362021Assets 2022: $22,409,212Liabilities 2022: $6,088,915Net Assets 2022: $16,320,2972022Assets 2023: $22,093,896Liabilities 2023: $7,982,221Net Assets 2023: $14,111,6752023Assets 2024: $19,686,048Liabilities 2024: $8,812,012Net Assets 2024: $10,874,0362024

Latest loaded filing

2024

Assets$19,686,048
Liabilities$8,812,012
Net Assets$10,874,036
Open 2024 Filing

Operations Trend

Revenue Growth30th percentile

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

$30M$20M$10M$0-$10MExpenses 2011: $23,082,0302011Expenses 2012: $20,118,6312012Revenue 2013: $23,784,213Expenses 2013: $23,752,296Net Income 2013: $31,9172013Revenue 2014: $23,541,074Expenses 2014: $22,664,021Net Income 2014: $877,0532014Revenue 2016: $19,305,495Expenses 2016: $18,552,308Net Income 2016: $753,1872016Revenue 2017: $17,602,277Expenses 2017: $18,079,097Net Income 2017: -$476,8202017Revenue 2018: $17,025,007Expenses 2018: $17,778,192Net Income 2018: -$753,1852018Revenue 2019: $18,125,873Expenses 2019: $18,581,986Net Income 2019: -$456,1132019Revenue 2020: $18,675,490Expenses 2020: $18,355,975Net Income 2020: $319,5152020Revenue 2021: $13,258,977Expenses 2021: $13,832,910Net Income 2021: -$573,9332021Revenue 2022: $13,743,105Expenses 2022: $15,155,962Net Income 2022: -$1,412,8572022Revenue 2023: $14,872,302Expenses 2023: $17,547,788Net Income 2023: -$2,675,4862023Revenue 2024: $14,598,469Expenses 2024: $18,161,546Net Income 2024: -$3,563,0772024

Latest loaded filing

2024

Revenue$14,598,469
Expenses$18,161,546
Net Income-$3,563,077
Open 2024 Filing

Filings

Most recent year

2025 • Form 990TFacts available. Structured filing facts are available, but richer extracted sections are limited.

Open filing
Assets
-
Liabilities
-
Net assets
-
Revenue
-
Expenses
-
Net income
-
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2025Facts available. Structured filing facts are available, but richer extracted sections are limited.
2024Detailed filing. Detailed filing data is available for this year.$19.7$8.81$10.9$14.6$18.2$3.56
2023Detailed filing. Detailed filing data is available for this year.$22.1$7.98$14.1$14.9$17.5$2.68
2022Facts available. Structured filing facts are available, but richer extracted sections are limited.$22.4$6.09$16.3$13.7$15.2$1.41
2021Facts available. Structured filing facts are available, but richer extracted sections are limited.$25.6$6.27$19.4$13.3$13.8$0.57
2020XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$26.6$6.83$19.8$18.7$18.4$0.32
2019Summary only. Only limited summary data is available for this year.$25.8$6.50$19.3$18.1$18.6$0.46
2018Summary only. Only limited summary data is available for this year.$25.8$6.48$19.3$17.0$17.8$0.75
2017Summary only. Only limited summary data is available for this year.$26.1$6.11$20.0$17.6$18.1$0.48
2016Summary only. Only limited summary data is available for this year.$27.5$7.16$20.3$19.3$18.6$0.75
2014Summary only. Only limited summary data is available for this year.$27.8$8.34$19.5$23.5$22.7$0.88
2013Facts available. Structured filing facts are available, but richer extracted sections are limited.$28.2$10.0$18.2$23.8$23.8$0.03
2012Facts available. Structured filing facts are available, but richer extracted sections are limited.$27.4$9.38$18.1$20.1
2011Facts available. Structured filing facts are available, but richer extracted sections are limited.$28.7$11.4$17.3$23.1
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jul 1, 2024 to Jun 30, 2025
Signed
Nov 13, 2025
Return Version
2024v5.2
Mission and Program Overview

Mission

The primary purpose of the organization is to support, provide and encourage American-style education throughout the world.

Filing and Contact Details

Filer

Filer Name
International Schools Services Inc
EIN
13-1926673
In Care Of
% Elizabeth A Duffy
Phone
6094520990
Address
PO Box 5910, Princeton, NJ 08543

Signing Officer

Name
Elizabeth A Duffy
Title
President
Phone
6094520990
Signed
2025-11-13
Discuss with paid preparer
No
Raw XML Appendix51 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
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IRS990T/ForeignCountryCd0CH
IRS990T/ForeignCountryCd1CJ
IRS990T/ForeignCountryCd2KZ
IRS990T/Form990TScheduleAAttachedCnt01
IRS990T/Organization501cCorporationInd0X
IRS990T/Organization501IndicatorGrp/Organization501cTypeTxt0c3
IRS990T/Organization501IndicatorGrp/Organization501Ind0X
IRS990T/Post2017NOLCarryoverGrp/AvlblPost2017NOLCarryoverAmt0252093
IRS990T/Post2017NOLCarryoverGrp/PrincipalBusinessActivityCd0541800
IRS990TScheduleA/AdvertisingIncmPeriodicalGrp/AdvertisedPeriodicalNameTxt0Newslinks, Advertising
IRS990TScheduleA/AdvertisingIncmPeriodicalGrp/AdvertisingGainLossAmt0-86830
IRS990TScheduleA/AdvertisingIncmPeriodicalGrp/DirectAdvertisingCostAmt0151240
IRS990TScheduleA/AdvertisingIncmPeriodicalGrp/ExcessReadershipCostsAmt0281395
IRS990TScheduleA/AdvertisingIncmPeriodicalGrp/GrossAdvertisingIncomeAmt064410
IRS990TScheduleA/AdvertisingIncmPeriodicalGrp/ReadershipCostsAmt0281395
IRS990TScheduleA/NetAdvertisingIncomeAmt0-86830
IRS990TScheduleA/PrincipalBusinessActivityCd0541800
IRS990TScheduleA/SequenceReferenceNum01
IRS990TScheduleA/SequenceTotalNum01
IRS990TScheduleA/TotalDirectAdvertisingCostAmt0151240
IRS990TScheduleA/TotalGrossAdvertisingIncomeAmt064410
IRS990TScheduleA/TotNetUnrltTrdBusIncmAmt0-86830
IRS990TScheduleA/TotUnrltTrdBusIncmAmt064410
IRS990TScheduleA/TotUnrltTrdBusIncmExpnssAmt0151240
IRS990TScheduleA/TradeOrBusinessDesc0Advertising, Public Relations, Related Services
IRS990TScheduleA/UBIBeforeNOLDedAmt0-86830
IRS990TScheduleA/UnrelatedBusinessTaxblIncmAmt0-86830
IRS990T/SubsidiaryCorporationInd0false
IRS990T/TaxableCorporationAmt00
ReturnHeader/BuildTS02025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd0false
ReturnHeader/BusinessOfficerGrp/PersonNm0Elizabeth A Duffy
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt0President
ReturnHeader/BusinessOfficerGrp/PhoneNum06094520990
ReturnHeader/BusinessOfficerGrp/SignatureDt02025-11-13
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt0International Schools Services Inc
ReturnHeader/Filer/BusinessNameControlTxt0INTE
ReturnHeader/Filer/EIN0131926673
ReturnHeader/Filer/InCareOfNm0% Elizabeth A Duffy
ReturnHeader/Filer/PhoneNum06094520990
ReturnHeader/Filer/USAddress/AddressLine1Txt0PO Box 5910
ReturnHeader/Filer/USAddress/CityNm0Princeton
ReturnHeader/Filer/USAddress/StateAbbreviationCd0NJ
ReturnHeader/Filer/USAddress/ZIPCd008543
ReturnHeader/IRSResponsiblePrtyInfoCurrInd0true
ReturnHeader/ReturnTs02025-11-13T08:50:48-00:00
ReturnHeader/ReturnTypeCd0990T
ReturnHeader/TaxPeriodBeginDt02024-07-01
ReturnHeader/TaxPeriodEndDt02025-06-30
ReturnHeader/TaxYr02024

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No mirrored PDF or thumbnail assets are attached yet.

Peer Organizations

Similar nonprofits based on the same Siviq industry and scale cohort. 501(c)3 • $10M-$25M nonprofits