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Employer Identification Number 04-2385120

INTERNATIONAL SCHOOL OF BOSTON is a USA domiciled entity or foreign entity operating in the USA. The EIN ihas been issued by the IRS

Company Name:INTERNATIONAL SCHOOL OF BOSTON
Employer identification number (EIN):04-2385120
EIN Issuing AuthorityBrookhaven, NY
NAIC Classification:611000
401k Pension/Benefits registration INTERNATIONAL SCHOOL OF BOSTON 401k plan information
Federal tax statusExempt from federal income tax. Registered as a non-profit under 501(c)(3) Title 26 of the United States Code

Organization Overview

Mission StatementTHE MISSION OF THE INTERNATIONAL SCHOOL OF BOSTON IS TO SHAPE LIFELONG ACHIEVERS WHO CAN SPEAK AND THINK IN MULTIPLE LANGUAGES AND WHO CAN APPLY THEIR KNOWLEDGE ANYWHERE IN THE WORLD. OUR DISTINCTIVE BILINGUAL CURRICULUM IS ROOTED IN THE RIGOR AND CREATIVITY OF THE FRENCH AND AMERICAN ACADEMIC TRADITIONS. WE INSPIRE OUR DIVERSE INTERNATIONAL STUDENT BODY TO PURSUE ACADEMIC EXCELLENCE, AND WE PREPARE OUR GRADUATES TO THRIVE AT THE WORLD'S BEST UNIVERSITIES.
Number of Employees247
Number of Volunteers143
Year Formed1964

Organization Governance

Legal DomicileMA
Voting Members - Governing Body12
Voting Members - Independent12

Organization Financials

2025-06-30
Total unrelated business incomeUSD $ 0
Net unrelated business incomeUSD $ 0
Program Service Revenue from prior yearUSD $ 23,165,631
Program Service Revenue from current yearUSD $ 24,830,772
Investment Income from prior yearUSD $ 440,218
Investment Income from current yearUSD $ 472,422
Other Revenue from prior yearUSD $ -903
Other Revenue from current yearUSD $ -9,282
Gross receipts from all sourcesUSD $ 26,965,057
Net assets / fund balances at end of fiscal yearUSD $ 13,758,830
Net assets / fund balances at beginning of fiscal yearUSD $ 13,390,254
Total liabilities at end of fiscal yearUSD $ 31,873,863
Total liabilities at beginning of fiscal yearUSD $ 33,410,070
Total assets at end of fiscal yearUSD $ 45,632,693
Total assets at beginning of fiscal yearUSD $ 46,800,324
Revenues less expenses for current yearUSD $ 287,924
Revenues less expenses for previous yearUSD $ 1,027,138
Total expenses for current yearUSD $ 25,431,615
Total expenses for previous yearUSD $ 22,916,436
Other expenses in current yearUSD $ 6,936,081
Other expenses in previous yearUSD $ 5,889,602
Total fundraising expenses in current yearUSD $ 548,759
Professional fundraising fees from current yearUSD $ 0
Professional fundraising fees from previous yearUSD $ 0
Employee salary and benefits paid in current yearUSD $ 16,074,587
Employee salary and benefits paid in previous yearUSD $ 14,986,640
Benefits paid to or for members in current yearUSD $ 0
Benefits paid to or for members in previous yearUSD $ 0
Grants and similar amounts paid in current yearUSD $ 2,420,947
Grants and similar amounts paid in previous yearUSD $ 2,040,194
Total revenue in current fiscal yearUSD $ 25,719,539
Total revenue in previous fiscal yearUSD $ 23,943,574
Contributions and grants from current yearUSD $ 425,627
Contributions and grants from previous yearUSD $ 338,628
Gross income from fundraising eventsUSD $ 89,588
2023-06-30
Total unrelated business incomeUSD $ 0
Net unrelated business incomeUSD $ 0
Program Service Revenue from prior yearUSD $ 19,323,051
Program Service Revenue from current yearUSD $ 21,762,036
Investment Income from prior yearUSD $ 15,322
Investment Income from current yearUSD $ 36,027
Other Revenue from prior yearUSD $ 0
Other Revenue from current yearUSD $ -3,602
Gross receipts from all sourcesUSD $ 24,170,856
Net assets / fund balances at end of fiscal yearUSD $ 12,335,308
Net assets / fund balances at beginning of fiscal yearUSD $ 10,236,295
Total liabilities at end of fiscal yearUSD $ 32,504,387
Total liabilities at beginning of fiscal yearUSD $ 29,446,998
Total assets at end of fiscal yearUSD $ 44,839,695
Total assets at beginning of fiscal yearUSD $ 39,683,293
Revenues less expenses for current yearUSD $ 2,081,117
Revenues less expenses for previous yearUSD $ 554,047
Total expenses for current yearUSD $ 21,988,460
Total expenses for previous yearUSD $ 19,228,480
Other expenses in current yearUSD $ 6,079,241
Other expenses in previous yearUSD $ 5,010,728
Total fundraising expenses in current yearUSD $ 316,468
Professional fundraising fees from current yearUSD $ 0
Professional fundraising fees from previous yearUSD $ 0
Employee salary and benefits paid in current yearUSD $ 14,069,559
Employee salary and benefits paid in previous yearUSD $ 12,573,688
Benefits paid to or for members in current yearUSD $ 0
Benefits paid to or for members in previous yearUSD $ 0
Grants and similar amounts paid in current yearUSD $ 1,839,660
Grants and similar amounts paid in previous yearUSD $ 1,644,064
Total revenue in current fiscal yearUSD $ 24,069,577
Total revenue in previous fiscal yearUSD $ 19,782,527
Contributions and grants from current yearUSD $ 2,275,116
Contributions and grants from previous yearUSD $ 444,154
Gross income from fundraising eventsUSD $ 72,423
2022-06-30
Total unrelated business incomeUSD $ 0
Net unrelated business incomeUSD $ 0
Program Service Revenue from prior yearUSD $ 16,980,274
Program Service Revenue from current yearUSD $ 19,323,051
Investment Income from prior yearUSD $ 47,319
Investment Income from current yearUSD $ 15,322
Other Revenue from prior yearUSD $ 0
Other Revenue from current yearUSD $ 0
Gross receipts from all sourcesUSD $ 19,836,014
Net assets / fund balances at end of fiscal yearUSD $ 10,236,295
Net assets / fund balances at beginning of fiscal yearUSD $ 9,704,570
Total liabilities at end of fiscal yearUSD $ 29,446,998
Total liabilities at beginning of fiscal yearUSD $ 27,707,397
Total assets at end of fiscal yearUSD $ 39,683,293
Total assets at beginning of fiscal yearUSD $ 37,411,967
Revenues less expenses for current yearUSD $ 554,047
Revenues less expenses for previous yearUSD $ 1,042,864
Total expenses for current yearUSD $ 19,228,480
Total expenses for previous yearUSD $ 18,815,054
Other expenses in current yearUSD $ 5,010,728
Other expenses in previous yearUSD $ 4,553,828
Total fundraising expenses in current yearUSD $ 322,171
Professional fundraising fees from current yearUSD $ 0
Professional fundraising fees from previous yearUSD $ 0
Employee salary and benefits paid in current yearUSD $ 12,573,688
Employee salary and benefits paid in previous yearUSD $ 12,582,506
Benefits paid to or for members in current yearUSD $ 0
Benefits paid to or for members in previous yearUSD $ 0
Grants and similar amounts paid in current yearUSD $ 1,644,064
Grants and similar amounts paid in previous yearUSD $ 1,678,720
Total revenue in current fiscal yearUSD $ 19,782,527
Total revenue in previous fiscal yearUSD $ 19,857,918
Contributions and grants from current yearUSD $ 444,154
Contributions and grants from previous yearUSD $ 2,830,325
Gross income from fundraising eventsUSD $ 53,487
2021-06-30
Total unrelated business incomeUSD $ 0
Net unrelated business incomeUSD $ 0
Program Service Revenue from prior yearUSD $ 17,959,259
Program Service Revenue from current yearUSD $ 16,980,274
Investment Income from prior yearUSD $ 84,679
Investment Income from current yearUSD $ 47,319
Other Revenue from prior yearUSD $ 158,000
Other Revenue from current yearUSD $ 0
Gross receipts from all sourcesUSD $ 19,875,460
Net assets / fund balances at end of fiscal yearUSD $ 9,704,570
Net assets / fund balances at beginning of fiscal yearUSD $ 8,661,708
Total liabilities at end of fiscal yearUSD $ 27,707,397
Total liabilities at beginning of fiscal yearUSD $ 27,616,713
Total assets at end of fiscal yearUSD $ 37,411,967
Total assets at beginning of fiscal yearUSD $ 36,278,421
Revenues less expenses for current yearUSD $ 1,042,864
Revenues less expenses for previous yearUSD $ 43,754
Total expenses for current yearUSD $ 18,815,054
Total expenses for previous yearUSD $ 18,454,507
Other expenses in current yearUSD $ 4,553,828
Other expenses in previous yearUSD $ 4,587,015
Total fundraising expenses in current yearUSD $ 410,403
Professional fundraising fees from current yearUSD $ 0
Professional fundraising fees from previous yearUSD $ 0
Employee salary and benefits paid in current yearUSD $ 12,582,506
Employee salary and benefits paid in previous yearUSD $ 12,656,104
Benefits paid to or for members in current yearUSD $ 0
Benefits paid to or for members in previous yearUSD $ 0
Grants and similar amounts paid in current yearUSD $ 1,678,720
Grants and similar amounts paid in previous yearUSD $ 1,211,388
Total revenue in current fiscal yearUSD $ 19,857,918
Total revenue in previous fiscal yearUSD $ 18,498,261
Contributions and grants from current yearUSD $ 2,830,325
Contributions and grants from previous yearUSD $ 296,323
Gross income from fundraising eventsUSD $ 17,542
2020-06-30
Total unrelated business incomeUSD $ 0
Net unrelated business incomeUSD $ 0
Program Service Revenue from prior yearUSD $ 18,601,383
Program Service Revenue from current yearUSD $ 17,959,259
Investment Income from prior yearUSD $ 75,917
Investment Income from current yearUSD $ 84,679
Other Revenue from prior yearUSD $ 85,685
Other Revenue from current yearUSD $ 158,000
Gross receipts from all sourcesUSD $ 18,498,261
Net assets / fund balances at end of fiscal yearUSD $ 8,661,708
Net assets / fund balances at beginning of fiscal yearUSD $ 8,618,137
Total liabilities at end of fiscal yearUSD $ 27,616,713
Total liabilities at beginning of fiscal yearUSD $ 26,415,456
Total assets at end of fiscal yearUSD $ 36,278,421
Total assets at beginning of fiscal yearUSD $ 35,033,593
Revenues less expenses for current yearUSD $ 43,754
Revenues less expenses for previous yearUSD $ 500,343
Total expenses for current yearUSD $ 18,454,507
Total expenses for previous yearUSD $ 18,654,761
Other expenses in current yearUSD $ 4,587,015
Other expenses in previous yearUSD $ 5,059,331
Total fundraising expenses in current yearUSD $ 385,161
Professional fundraising fees from current yearUSD $ 0
Professional fundraising fees from previous yearUSD $ 0
Employee salary and benefits paid in current yearUSD $ 12,656,104
Employee salary and benefits paid in previous yearUSD $ 12,433,462
Benefits paid to or for members in current yearUSD $ 0
Benefits paid to or for members in previous yearUSD $ 0
Grants and similar amounts paid in current yearUSD $ 1,211,388
Grants and similar amounts paid in previous yearUSD $ 1,161,968
Total revenue in current fiscal yearUSD $ 18,498,261
Total revenue in previous fiscal yearUSD $ 19,155,104
Contributions and grants from current yearUSD $ 296,323
Contributions and grants from previous yearUSD $ 392,119
Total of other revenueUSD $ 158,000
2019-06-30
Total unrelated business incomeUSD $ 0
Net unrelated business incomeUSD $ 0
Program Service Revenue from prior yearUSD $ 17,678,134
Program Service Revenue from current yearUSD $ 18,601,383
Investment Income from prior yearUSD $ 36,727
Investment Income from current yearUSD $ 75,917
Other Revenue from prior yearUSD $ 68,706
Other Revenue from current yearUSD $ 85,685
Gross receipts from all sourcesUSD $ 19,220,604
Net assets / fund balances at end of fiscal yearUSD $ 8,618,137
Net assets / fund balances at beginning of fiscal yearUSD $ 8,117,839
Total liabilities at end of fiscal yearUSD $ 26,614,938
Total liabilities at beginning of fiscal yearUSD $ 25,431,761
Total assets at end of fiscal yearUSD $ 35,233,075
Total assets at beginning of fiscal yearUSD $ 33,549,600
Revenues less expenses for current yearUSD $ 500,343
Revenues less expenses for previous yearUSD $ 348,993
Total expenses for current yearUSD $ 18,654,761
Total expenses for previous yearUSD $ 17,825,279
Other expenses in current yearUSD $ 5,059,331
Other expenses in previous yearUSD $ 4,777,943
Total fundraising expenses in current yearUSD $ 271,415
Professional fundraising fees from current yearUSD $ 0
Professional fundraising fees from previous yearUSD $ 0
Employee salary and benefits paid in current yearUSD $ 12,433,462
Employee salary and benefits paid in previous yearUSD $ 11,973,463
Benefits paid to or for members in current yearUSD $ 0
Benefits paid to or for members in previous yearUSD $ 0
Grants and similar amounts paid in current yearUSD $ 1,161,968
Grants and similar amounts paid in previous yearUSD $ 1,073,873
Total revenue in current fiscal yearUSD $ 19,155,104
Total revenue in previous fiscal yearUSD $ 18,174,272
Contributions and grants from current yearUSD $ 392,119
Contributions and grants from previous yearUSD $ 390,705
Gross income from fundraising eventsUSD $ 32,185
Total of other revenueUSD $ 119,000
2018-06-30
Total unrelated business incomeUSD $ 0
Net unrelated business incomeUSD $ 521
Program Service Revenue from prior yearUSD $ 16,652,346
Program Service Revenue from current yearUSD $ 17,678,134
Investment Income from prior yearUSD $ 40,084
Investment Income from current yearUSD $ 36,727
Other Revenue from prior yearUSD $ 170,130
Other Revenue from current yearUSD $ 68,706
Gross receipts from all sourcesUSD $ 18,229,836
Net assets / fund balances at end of fiscal yearUSD $ 8,117,839
Net assets / fund balances at beginning of fiscal yearUSD $ 7,768,846
Total liabilities at end of fiscal yearUSD $ 25,431,761
Total liabilities at beginning of fiscal yearUSD $ 21,508,842
Total assets at end of fiscal yearUSD $ 33,549,600
Total assets at beginning of fiscal yearUSD $ 29,277,688
Revenues less expenses for current yearUSD $ 348,993
Revenues less expenses for previous yearUSD $ 334,285
Total expenses for current yearUSD $ 17,825,279
Total expenses for previous yearUSD $ 16,847,336
Other expenses in current yearUSD $ 4,777,943
Other expenses in previous yearUSD $ 4,288,256
Total fundraising expenses in current yearUSD $ 251,010
Professional fundraising fees from current yearUSD $ 0
Professional fundraising fees from previous yearUSD $ 0
Employee salary and benefits paid in current yearUSD $ 11,973,463
Employee salary and benefits paid in previous yearUSD $ 11,495,498
Benefits paid to or for members in current yearUSD $ 0
Benefits paid to or for members in previous yearUSD $ 0
Grants and similar amounts paid in current yearUSD $ 1,073,873
Grants and similar amounts paid in previous yearUSD $ 1,063,582
Total revenue in current fiscal yearUSD $ 18,174,272
Total revenue in previous fiscal yearUSD $ 17,181,621
Contributions and grants from current yearUSD $ 390,705
Contributions and grants from previous yearUSD $ 319,061
Gross income from fundraising eventsUSD $ 35,570
Total of other revenueUSD $ 88,700
2017-06-30
Total unrelated business incomeUSD $ 360
Net unrelated business incomeUSD $ 0
Program Service Revenue from prior yearUSD $ 17,003,349
Program Service Revenue from current yearUSD $ 16,652,346
Investment Income from prior yearUSD $ 21,751
Investment Income from current yearUSD $ 40,084
Other Revenue from prior yearUSD $ 244,713
Other Revenue from current yearUSD $ 170,130
Gross receipts from all sourcesUSD $ 17,219,321
Net assets / fund balances at end of fiscal yearUSD $ 7,768,846
Net assets / fund balances at beginning of fiscal yearUSD $ 7,434,561
Total liabilities at end of fiscal yearUSD $ 21,508,842
Total liabilities at beginning of fiscal yearUSD $ 19,472,035
Total assets at end of fiscal yearUSD $ 29,277,688
Total assets at beginning of fiscal yearUSD $ 26,906,596
Revenues less expenses for current yearUSD $ 334,285
Revenues less expenses for previous yearUSD $ 628,755
Total expenses for current yearUSD $ 16,847,336
Total expenses for previous yearUSD $ 16,958,136
Other expenses in current yearUSD $ 4,288,256
Other expenses in previous yearUSD $ 4,357,131
Total fundraising expenses in current yearUSD $ 213,650
Professional fundraising fees from current yearUSD $ 0
Professional fundraising fees from previous yearUSD $ 0
Employee salary and benefits paid in current yearUSD $ 11,495,498
Employee salary and benefits paid in previous yearUSD $ 11,611,186
Benefits paid to or for members in current yearUSD $ 0
Benefits paid to or for members in previous yearUSD $ 0
Grants and similar amounts paid in current yearUSD $ 1,063,582
Grants and similar amounts paid in previous yearUSD $ 989,819
Total revenue in current fiscal yearUSD $ 17,181,621
Total revenue in previous fiscal yearUSD $ 17,586,891
Contributions and grants from current yearUSD $ 319,061
Contributions and grants from previous yearUSD $ 317,078
Gross income from fundraising eventsUSD $ 30,360
Total of other revenueUSD $ 177,470
2016-06-30
Total unrelated business incomeUSD $ 0
Net unrelated business incomeUSD $ 0
Program Service Revenue from prior yearUSD $ 16,044,032
Program Service Revenue from current yearUSD $ 17,003,349
Investment Income from prior yearUSD $ 24,980
Investment Income from current yearUSD $ 21,751
Other Revenue from prior yearUSD $ 259,165
Other Revenue from current yearUSD $ 244,713
Gross receipts from all sourcesUSD $ 17,629,964
Net assets / fund balances at end of fiscal yearUSD $ 7,434,561
Net assets / fund balances at beginning of fiscal yearUSD $ 6,805,806
Total liabilities at end of fiscal yearUSD $ 19,472,035
Total liabilities at beginning of fiscal yearUSD $ 20,392,082
Total assets at end of fiscal yearUSD $ 26,906,596
Total assets at beginning of fiscal yearUSD $ 27,197,888
Revenues less expenses for current yearUSD $ 628,755
Revenues less expenses for previous yearUSD $ 326,099
Total expenses for current yearUSD $ 16,958,136
Total expenses for previous yearUSD $ 16,313,186
Other expenses in current yearUSD $ 4,357,131
Other expenses in previous yearUSD $ 4,227,993
Total fundraising expenses in current yearUSD $ 268,665
Professional fundraising fees from current yearUSD $ 0
Professional fundraising fees from previous yearUSD $ 0
Employee salary and benefits paid in current yearUSD $ 11,611,186
Employee salary and benefits paid in previous yearUSD $ 11,062,652
Benefits paid to or for members in current yearUSD $ 0
Benefits paid to or for members in previous yearUSD $ 0
Grants and similar amounts paid in current yearUSD $ 989,819
Grants and similar amounts paid in previous yearUSD $ 1,022,541
Total revenue in current fiscal yearUSD $ 17,586,891
Total revenue in previous fiscal yearUSD $ 16,639,285
Contributions and grants from current yearUSD $ 317,078
Contributions and grants from previous yearUSD $ 311,108
Gross income from fundraising eventsUSD $ 26,315
Total of other revenueUSD $ 260,471
2015-06-30
Total unrelated business incomeUSD $ 0
Net unrelated business incomeUSD $ 0
Program Service Revenue from prior yearUSD $ 15,217,376
Program Service Revenue from current yearUSD $ 16,044,032
Investment Income from prior yearUSD $ 29,691
Investment Income from current yearUSD $ 24,980
Other Revenue from prior yearUSD $ 270,355
Other Revenue from current yearUSD $ 259,165
Gross receipts from all sourcesUSD $ 16,698,491
Net assets / fund balances at end of fiscal yearUSD $ 6,805,806
Net assets / fund balances at beginning of fiscal yearUSD $ 6,480,331
Total liabilities at end of fiscal yearUSD $ 20,392,082
Total liabilities at beginning of fiscal yearUSD $ 19,148,587
Total assets at end of fiscal yearUSD $ 27,197,888
Total assets at beginning of fiscal yearUSD $ 25,628,918
Revenues less expenses for current yearUSD $ 326,099
Revenues less expenses for previous yearUSD $ 535,448
Total expenses for current yearUSD $ 16,313,186
Total expenses for previous yearUSD $ 15,326,948
Other expenses in current yearUSD $ 4,227,993
Other expenses in previous yearUSD $ 4,014,881
Total fundraising expenses in current yearUSD $ 281,612
Professional fundraising fees from current yearUSD $ 0
Professional fundraising fees from previous yearUSD $ 0
Employee salary and benefits paid in current yearUSD $ 11,062,652
Employee salary and benefits paid in previous yearUSD $ 10,345,841
Benefits paid to or for members in current yearUSD $ 0
Benefits paid to or for members in previous yearUSD $ 0
Grants and similar amounts paid in current yearUSD $ 1,022,541
Grants and similar amounts paid in previous yearUSD $ 966,226
Total revenue in current fiscal yearUSD $ 16,639,285
Total revenue in previous fiscal yearUSD $ 15,862,396
Contributions and grants from current yearUSD $ 311,108
Contributions and grants from previous yearUSD $ 344,974
Gross income from fundraising eventsUSD $ 40,815
Total of other revenueUSD $ 277,556

Other Company Names associated with EIN

ECOLE INTERNATIONALE DE BOSTON
LYCEE INTERNATIONAL DE BOSTON

Organization Addresses

The following addresses have been detected as associated with Tax Indentification Number 042385120

USA Mailing Address
45 MATIGNON ROAD
CAMBRIDGE
MA
02140
Date first seen: 2008-01-01
Date last seen: 2026-10-04
USA Location Address
45 MATIGNON ROAD
CAMBRIDGE
MA
02140
Date first seen: 2008-01-01
Date last seen: 2025-12-31
USA Location Address
45 MATIGNON RD
CAMBRIDGE
MA
021401006
Date first seen: 2017-01-31
Date last seen: 2026-02-25
USA Mailing Address
45 MATIGNON RD
CAMBRIDGE
MA
021401006
Date first seen: 2025-07-31
Date last seen: 2026-02-25

Nearby companies/organizations

The following companies are located in the same ZIP code areas:

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