Logo

Employer Identification Number 14-1413770

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

Company Name:MILLBROOK SCHOOL
Employer identification number (EIN):14-1413770
EIN Issuing AuthorityBrookhaven, NY
NAIC Classification:611000
401k Pension/Benefits registration MILLBROOK SCHOOL 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
State of IncorporationSouth Dakota, SD

Organization Overview

Mission StatementMILLBROOK SCHOOL IS a COEDUCATIONAL, COLLEGE PREPARATORY School which offers college preparatory education to its boarding and day students.
Number of Employees216
Number of Volunteers0
Year Formed1932

Organization Governance

Legal DomicileNY
Voting Members - Governing Body20
Voting Members - Independent19

Organization Financials

2025-06-30
Total unrelated business incomeUSD $ -22,383
Net unrelated business incomeUSD $ 0
Program Service Revenue from prior yearUSD $ 25,468,364
Program Service Revenue from current yearUSD $ 26,686,901
Investment Income from prior yearUSD $ 2,689,251
Investment Income from current yearUSD $ 7,984,896
Other Revenue from prior yearUSD $ 413,261
Other Revenue from current yearUSD $ 255,099
Gross receipts from all sourcesUSD $ 63,999,947
Net assets / fund balances at end of fiscal yearUSD $ 150,296,372
Net assets / fund balances at beginning of fiscal yearUSD $ 138,857,805
Total liabilities at end of fiscal yearUSD $ 33,787,839
Total liabilities at beginning of fiscal yearUSD $ 33,133,963
Total assets at end of fiscal yearUSD $ 184,084,211
Total assets at beginning of fiscal yearUSD $ 171,991,768
Revenues less expenses for current yearUSD $ 10,563,579
Revenues less expenses for previous yearUSD $ 1,849,943
Total expenses for current yearUSD $ 34,868,086
Total expenses for previous yearUSD $ 33,835,040
Other expenses in current yearUSD $ 14,797,145
Other expenses in previous yearUSD $ 14,456,073
Total fundraising expenses in current yearUSD $ 2,247,854
Professional fundraising fees from current yearUSD $ 66,366
Professional fundraising fees from previous yearUSD $ 19,407
Employee salary and benefits paid in current yearUSD $ 14,814,219
Employee salary and benefits paid in previous yearUSD $ 14,022,559
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 $ 5,190,356
Grants and similar amounts paid in previous yearUSD $ 5,337,001
Total revenue in current fiscal yearUSD $ 45,431,665
Total revenue in previous fiscal yearUSD $ 35,684,983
Contributions and grants from current yearUSD $ 10,504,769
Contributions and grants from previous yearUSD $ 7,114,107
Cost of goods soldUSD $ 482,551
Gross sales of inventory assetsUSD $ 530,550
Total of other revenueUSD $ 177,409
2023-06-30
Total unrelated business incomeUSD $ 267
Net unrelated business incomeUSD $ 0
Program Service Revenue from prior yearUSD $ 23,522,069
Program Service Revenue from current yearUSD $ 24,446,984
Investment Income from prior yearUSD $ 169,222
Investment Income from current yearUSD $ 536,994
Other Revenue from prior yearUSD $ 314,379
Other Revenue from current yearUSD $ 400,225
Gross receipts from all sourcesUSD $ 48,443,692
Net assets / fund balances at end of fiscal yearUSD $ 131,584,843
Net assets / fund balances at beginning of fiscal yearUSD $ 125,907,900
Total liabilities at end of fiscal yearUSD $ 34,467,226
Total liabilities at beginning of fiscal yearUSD $ 36,716,987
Total assets at end of fiscal yearUSD $ 166,052,069
Total assets at beginning of fiscal yearUSD $ 162,624,887
Revenues less expenses for current yearUSD $ 285,457
Revenues less expenses for previous yearUSD $ -1,374,134
Total expenses for current yearUSD $ 33,017,555
Total expenses for previous yearUSD $ 30,182,340
Other expenses in current yearUSD $ 14,466,352
Other expenses in previous yearUSD $ 12,755,892
Total fundraising expenses in current yearUSD $ 2,109,928
Professional fundraising fees from current yearUSD $ 20,437
Professional fundraising fees from previous yearUSD $ 0
Employee salary and benefits paid in current yearUSD $ 13,319,753
Employee salary and benefits paid in previous yearUSD $ 12,732,121
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 $ 5,211,013
Grants and similar amounts paid in previous yearUSD $ 4,694,327
Total revenue in current fiscal yearUSD $ 33,303,012
Total revenue in previous fiscal yearUSD $ 28,808,206
Contributions and grants from current yearUSD $ 7,918,809
Contributions and grants from previous yearUSD $ 4,802,536
Cost of goods soldUSD $ 347,105
Gross sales of inventory assetsUSD $ 445,721
Total of other revenueUSD $ 270,759
2022-06-30
Total unrelated business incomeUSD $ 93
Net unrelated business incomeUSD $ 0
Program Service Revenue from prior yearUSD $ 21,982,593
Program Service Revenue from current yearUSD $ 23,522,069
Investment Income from prior yearUSD $ 268,676
Investment Income from current yearUSD $ 169,222
Other Revenue from prior yearUSD $ 307,852
Other Revenue from current yearUSD $ 314,379
Gross receipts from all sourcesUSD $ 38,995,011
Net assets / fund balances at end of fiscal yearUSD $ 125,907,900
Net assets / fund balances at beginning of fiscal yearUSD $ 138,958,713
Total liabilities at end of fiscal yearUSD $ 36,716,987
Total liabilities at beginning of fiscal yearUSD $ 25,116,302
Total assets at end of fiscal yearUSD $ 162,624,887
Total assets at beginning of fiscal yearUSD $ 164,075,015
Revenues less expenses for current yearUSD $ -1,374,134
Revenues less expenses for previous yearUSD $ 9,838,695
Total expenses for current yearUSD $ 30,182,340
Total expenses for previous yearUSD $ 29,952,439
Other expenses in current yearUSD $ 12,755,892
Other expenses in previous yearUSD $ 12,666,351
Total fundraising expenses in current yearUSD $ 2,064,931
Professional fundraising fees from current yearUSD $ 0
Professional fundraising fees from previous yearUSD $ 15,400
Employee salary and benefits paid in current yearUSD $ 12,732,121
Employee salary and benefits paid in previous yearUSD $ 12,527,902
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 $ 4,694,327
Grants and similar amounts paid in previous yearUSD $ 4,742,786
Total revenue in current fiscal yearUSD $ 28,808,206
Total revenue in previous fiscal yearUSD $ 39,791,134
Contributions and grants from current yearUSD $ 4,802,536
Contributions and grants from previous yearUSD $ 17,232,013
Cost of goods soldUSD $ 239,866
Gross sales of inventory assetsUSD $ 377,798
Total of other revenueUSD $ 144,922
2021-06-30
Total unrelated business incomeUSD $ 132
Net unrelated business incomeUSD $ 0
Program Service Revenue from prior yearUSD $ 21,250,347
Program Service Revenue from current yearUSD $ 21,982,593
Investment Income from prior yearUSD $ 133,894
Investment Income from current yearUSD $ 268,676
Other Revenue from prior yearUSD $ 53,431
Other Revenue from current yearUSD $ 307,852
Gross receipts from all sourcesUSD $ 50,959,243
Net assets / fund balances at end of fiscal yearUSD $ 138,958,713
Net assets / fund balances at beginning of fiscal yearUSD $ 114,952,284
Total liabilities at end of fiscal yearUSD $ 25,116,302
Total liabilities at beginning of fiscal yearUSD $ 23,655,562
Total assets at end of fiscal yearUSD $ 164,075,015
Total assets at beginning of fiscal yearUSD $ 138,607,846
Revenues less expenses for current yearUSD $ 9,838,695
Revenues less expenses for previous yearUSD $ 4,202,434
Total expenses for current yearUSD $ 29,952,439
Total expenses for previous yearUSD $ 25,922,165
Other expenses in current yearUSD $ 12,666,351
Other expenses in previous yearUSD $ 10,201,520
Total fundraising expenses in current yearUSD $ 1,929,879
Professional fundraising fees from current yearUSD $ 15,400
Professional fundraising fees from previous yearUSD $ 11,000
Employee salary and benefits paid in current yearUSD $ 12,527,902
Employee salary and benefits paid in previous yearUSD $ 11,775,653
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 $ 4,742,786
Grants and similar amounts paid in previous yearUSD $ 3,933,992
Total revenue in current fiscal yearUSD $ 39,791,134
Total revenue in previous fiscal yearUSD $ 30,124,599
Contributions and grants from current yearUSD $ 17,232,013
Contributions and grants from previous yearUSD $ 8,686,927
Cost of goods soldUSD $ 329,937
Gross sales of inventory assetsUSD $ 365,316
Total of other revenueUSD $ 272,473
2020-06-30
Total unrelated business incomeUSD $ 66,533
Net unrelated business incomeUSD $ 0
Program Service Revenue from prior yearUSD $ 21,206,687
Program Service Revenue from current yearUSD $ 21,250,347
Investment Income from prior yearUSD $ 901,446
Investment Income from current yearUSD $ 133,894
Other Revenue from prior yearUSD $ 56,655
Other Revenue from current yearUSD $ 53,431
Gross receipts from all sourcesUSD $ 37,116,882
Net assets / fund balances at end of fiscal yearUSD $ 114,952,284
Net assets / fund balances at beginning of fiscal yearUSD $ 110,460,030
Total liabilities at end of fiscal yearUSD $ 23,655,562
Total liabilities at beginning of fiscal yearUSD $ 26,574,759
Total assets at end of fiscal yearUSD $ 138,607,846
Total assets at beginning of fiscal yearUSD $ 137,034,789
Revenues less expenses for current yearUSD $ 4,202,434
Revenues less expenses for previous yearUSD $ 2,526,195
Total expenses for current yearUSD $ 25,922,165
Total expenses for previous yearUSD $ 26,267,862
Other expenses in current yearUSD $ 10,201,520
Other expenses in previous yearUSD $ 10,594,975
Total fundraising expenses in current yearUSD $ 1,513,703
Professional fundraising fees from current yearUSD $ 11,000
Professional fundraising fees from previous yearUSD $ 50,093
Employee salary and benefits paid in current yearUSD $ 11,775,653
Employee salary and benefits paid in previous yearUSD $ 11,689,646
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 $ 3,933,992
Grants and similar amounts paid in previous yearUSD $ 3,933,148
Total revenue in current fiscal yearUSD $ 30,124,599
Total revenue in previous fiscal yearUSD $ 28,794,057
Contributions and grants from current yearUSD $ 8,686,927
Contributions and grants from previous yearUSD $ 6,629,269
Cost of goods soldUSD $ 234,029
Gross sales of inventory assetsUSD $ 287,460
2019-06-30
Total unrelated business incomeUSD $ 65,302
Net unrelated business incomeUSD $ -61
Program Service Revenue from prior yearUSD $ 20,135,505
Program Service Revenue from current yearUSD $ 21,206,687
Investment Income from prior yearUSD $ 1,976,792
Investment Income from current yearUSD $ 901,446
Other Revenue from prior yearUSD $ 42,350
Other Revenue from current yearUSD $ 56,655
Gross receipts from all sourcesUSD $ 60,957,918
Net assets / fund balances at end of fiscal yearUSD $ 110,460,030
Net assets / fund balances at beginning of fiscal yearUSD $ 106,822,139
Total liabilities at end of fiscal yearUSD $ 26,574,759
Total liabilities at beginning of fiscal yearUSD $ 27,195,427
Total assets at end of fiscal yearUSD $ 137,034,789
Total assets at beginning of fiscal yearUSD $ 134,017,566
Revenues less expenses for current yearUSD $ 2,526,195
Revenues less expenses for previous yearUSD $ 8,271,507
Total expenses for current yearUSD $ 26,267,862
Total expenses for previous yearUSD $ 24,739,510
Other expenses in current yearUSD $ 10,594,975
Other expenses in previous yearUSD $ 9,935,015
Total fundraising expenses in current yearUSD $ 1,784,544
Professional fundraising fees from current yearUSD $ 50,093
Professional fundraising fees from previous yearUSD $ 100,701
Employee salary and benefits paid in current yearUSD $ 11,689,646
Employee salary and benefits paid in previous yearUSD $ 11,041,315
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 $ 3,933,148
Grants and similar amounts paid in previous yearUSD $ 3,662,479
Total revenue in current fiscal yearUSD $ 28,794,057
Total revenue in previous fiscal yearUSD $ 33,011,017
Contributions and grants from current yearUSD $ 6,629,269
Contributions and grants from previous yearUSD $ 10,856,370
Cost of goods soldUSD $ 320,691
Gross sales of inventory assetsUSD $ 377,346
2018-06-30
Total unrelated business incomeUSD $ 86,526
Net unrelated business incomeUSD $ -757
Program Service Revenue from prior yearUSD $ 18,945,580
Program Service Revenue from current yearUSD $ 20,135,505
Investment Income from prior yearUSD $ 650,368
Investment Income from current yearUSD $ 1,976,792
Other Revenue from prior yearUSD $ 33,739
Other Revenue from current yearUSD $ 42,350
Gross receipts from all sourcesUSD $ 35,560,743
Net assets / fund balances at end of fiscal yearUSD $ 106,822,139
Net assets / fund balances at beginning of fiscal yearUSD $ 98,157,251
Total liabilities at end of fiscal yearUSD $ 27,195,427
Total liabilities at beginning of fiscal yearUSD $ 27,210,185
Total assets at end of fiscal yearUSD $ 134,017,566
Total assets at beginning of fiscal yearUSD $ 125,367,436
Revenues less expenses for current yearUSD $ 8,271,507
Revenues less expenses for previous yearUSD $ 7,284,818
Total expenses for current yearUSD $ 24,739,510
Total expenses for previous yearUSD $ 23,923,621
Other expenses in current yearUSD $ 9,935,015
Other expenses in previous yearUSD $ 9,831,871
Total fundraising expenses in current yearUSD $ 1,806,651
Professional fundraising fees from current yearUSD $ 100,701
Professional fundraising fees from previous yearUSD $ 73,998
Employee salary and benefits paid in current yearUSD $ 11,041,315
Employee salary and benefits paid in previous yearUSD $ 10,454,857
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 $ 3,662,479
Grants and similar amounts paid in previous yearUSD $ 3,562,895
Total revenue in current fiscal yearUSD $ 33,011,017
Total revenue in previous fiscal yearUSD $ 31,208,439
Contributions and grants from current yearUSD $ 10,856,370
Contributions and grants from previous yearUSD $ 11,578,752
Cost of goods soldUSD $ 302,632
Gross sales of inventory assetsUSD $ 344,982
2017-06-30
Total unrelated business incomeUSD $ 49,894
Net unrelated business incomeUSD $ -23,695
Program Service Revenue from prior yearUSD $ 18,186,689
Program Service Revenue from current yearUSD $ 18,945,580
Investment Income from prior yearUSD $ 1,381,385
Investment Income from current yearUSD $ 650,368
Other Revenue from prior yearUSD $ 22,448
Other Revenue from current yearUSD $ 33,739
Gross receipts from all sourcesUSD $ 34,512,274
Net assets / fund balances at end of fiscal yearUSD $ 98,157,251
Net assets / fund balances at beginning of fiscal yearUSD $ 88,488,281
Total liabilities at end of fiscal yearUSD $ 27,210,185
Total liabilities at beginning of fiscal yearUSD $ 25,560,577
Total assets at end of fiscal yearUSD $ 125,367,436
Total assets at beginning of fiscal yearUSD $ 114,048,858
Revenues less expenses for current yearUSD $ 7,284,818
Revenues less expenses for previous yearUSD $ 8,522,841
Total expenses for current yearUSD $ 23,923,621
Total expenses for previous yearUSD $ 22,164,921
Other expenses in current yearUSD $ 9,831,871
Other expenses in previous yearUSD $ 8,876,778
Total fundraising expenses in current yearUSD $ 1,703,102
Professional fundraising fees from current yearUSD $ 73,998
Professional fundraising fees from previous yearUSD $ 56,441
Employee salary and benefits paid in current yearUSD $ 10,454,857
Employee salary and benefits paid in previous yearUSD $ 9,949,469
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 $ 3,562,895
Grants and similar amounts paid in previous yearUSD $ 3,282,233
Total revenue in current fiscal yearUSD $ 31,208,439
Total revenue in previous fiscal yearUSD $ 30,687,762
Contributions and grants from current yearUSD $ 11,578,752
Contributions and grants from previous yearUSD $ 11,097,240
Cost of goods soldUSD $ 268,548
Gross sales of inventory assetsUSD $ 302,287
2016-06-30
Total unrelated business incomeUSD $ 104,029
Net unrelated business incomeUSD $ -12,282
Program Service Revenue from prior yearUSD $ 16,411,126
Program Service Revenue from current yearUSD $ 18,186,689
Investment Income from prior yearUSD $ 633,309
Investment Income from current yearUSD $ 1,381,385
Other Revenue from prior yearUSD $ 40,898
Other Revenue from current yearUSD $ 22,448
Gross receipts from all sourcesUSD $ 32,559,278
Net assets / fund balances at end of fiscal yearUSD $ 88,488,281
Net assets / fund balances at beginning of fiscal yearUSD $ 83,301,613
Total liabilities at end of fiscal yearUSD $ 25,560,577
Total liabilities at beginning of fiscal yearUSD $ 23,544,614
Total assets at end of fiscal yearUSD $ 114,048,858
Total assets at beginning of fiscal yearUSD $ 106,846,227
Revenues less expenses for current yearUSD $ 8,522,841
Revenues less expenses for previous yearUSD $ 3,749,272
Total expenses for current yearUSD $ 22,164,921
Total expenses for previous yearUSD $ 21,076,973
Other expenses in current yearUSD $ 8,876,778
Other expenses in previous yearUSD $ 8,918,899
Total fundraising expenses in current yearUSD $ 1,735,911
Professional fundraising fees from current yearUSD $ 56,441
Professional fundraising fees from previous yearUSD $ 51,238
Employee salary and benefits paid in current yearUSD $ 9,949,469
Employee salary and benefits paid in previous yearUSD $ 9,230,691
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 $ 3,282,233
Grants and similar amounts paid in previous yearUSD $ 2,876,145
Total revenue in current fiscal yearUSD $ 30,687,762
Total revenue in previous fiscal yearUSD $ 24,826,245
Contributions and grants from current yearUSD $ 11,097,240
Contributions and grants from previous yearUSD $ 7,740,912
Cost of goods soldUSD $ 254,985
Gross sales of inventory assetsUSD $ 277,433
2015-06-30
Total unrelated business incomeUSD $ 98,638
Net unrelated business incomeUSD $ -24,457
Program Service Revenue from prior yearUSD $ 15,204,971
Program Service Revenue from current yearUSD $ 16,411,126
Investment Income from prior yearUSD $ 2,574,158
Investment Income from current yearUSD $ 633,309
Other Revenue from prior yearUSD $ 38,596
Other Revenue from current yearUSD $ 40,898
Gross receipts from all sourcesUSD $ 26,965,266
Net assets / fund balances at end of fiscal yearUSD $ 83,301,613
Net assets / fund balances at beginning of fiscal yearUSD $ 80,490,539
Total liabilities at end of fiscal yearUSD $ 23,942,362
Total liabilities at beginning of fiscal yearUSD $ 23,862,105
Total assets at end of fiscal yearUSD $ 107,243,975
Total assets at beginning of fiscal yearUSD $ 104,352,644
Revenues less expenses for current yearUSD $ 3,749,272
Revenues less expenses for previous yearUSD $ 8,103,168
Total expenses for current yearUSD $ 21,076,973
Total expenses for previous yearUSD $ 20,634,242
Other expenses in current yearUSD $ 8,918,899
Other expenses in previous yearUSD $ 9,164,751
Total fundraising expenses in current yearUSD $ 1,536,693
Professional fundraising fees from current yearUSD $ 51,238
Professional fundraising fees from previous yearUSD $ 54,669
Employee salary and benefits paid in current yearUSD $ 9,230,691
Employee salary and benefits paid in previous yearUSD $ 8,668,250
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 $ 2,876,145
Grants and similar amounts paid in previous yearUSD $ 2,746,572
Total revenue in current fiscal yearUSD $ 24,826,245
Total revenue in previous fiscal yearUSD $ 28,737,410
Contributions and grants from current yearUSD $ 7,740,912
Contributions and grants from previous yearUSD $ 10,919,685
Cost of goods soldUSD $ 232,107
Gross sales of inventory assetsUSD $ 273,005

Organization Addresses

The following addresses have been detected as associated with Tax Indentification Number 141413770

USA Mailing Address
131 MILLBROOK SCHOOL ROAD
MILLBROOK
NY
125454932
Date first seen: 2014-04-03
Date last seen: 2026-08-21
USA Location Address
131 MILLBROOK SCHOOL ROAD
MILLBROOK
NY
12545
Date first seen: 2011-01-01
Date last seen: 2025-12-31
USA Location Address
131 MILLBROOK SCHOOL RD
MILLBROOK
NY
125454932
Date first seen: 2021-01-25
Date last seen: 2022-01-24
USA Mailing Address
131 MILLBROOK SCHOOL ROAD
MILLBROOK
NY
12545
Date first seen: 2011-01-01
Date last seen: 2026-08-21

Nearby companies/organizations

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

Was this data useful?
If you found the data here useful, PLEASE HELP US. We are a start-up and believe in making information freely available. By linking to us, posting on twitter, facebook and linkedin about us and generally spreading the word, you'll help us to grow. Our vision is to provide high quality data about the activities of all the companies in the world and where possible make it free to use and view. Finding and integrating data from thousands of data sources is time consuming and needs lots of effort. By simply spreading the word about us, you will help us.

Please use the share buttons. It will only take a few seconds of your time. Thanks for helping

Copyright © Market Footprint Ltd
Contact us   Datalog Company Directory
S1 401k Lookup     VAT Lookup