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The Ten Schools Admission Organization (TSAO) is a group of private, college-preparatory boarding schools in the Northeastern United States that cooperate in their outreach to prospective students.
TSAO was founded in 1952.[1] Its member institutions cooperate in their outreach to prospective students, sharing resources at domestic and international admission fairs.[2][3]
Although several TSAO schools no longer publish their endowment figures, in 2016 the TSAO contained ten of the twenty wealthiest traditional college-preparatory boarding schools in the United States, as measured by total size of endowment.[4] Seven TSAO members are also members of the Eight Schools Association, another group of large college-preparatory boarding schools.
At times, TSAO schools adopt common policies with respect to applicants and admitted students, such as a uniform deadline to accept or reject offers of admission.[5] The TSAO does not have a uniform policy with respect to standardized testing, and two of its member schools remain test-optional as of the 2024-25 application cycle.[6][7]
With one exception, every TSAO member educates both boarding and day students, and offers a post-graduate year. St. Paul's School educates only boarders, and admits neither post-graduates nor incoming seniors.[8]
School | Location | Established | Enrollment (2021-22) |
Campus type (NCES if available) |
PGs? | Standardized test required? |
Source(s) |
---|---|---|---|---|---|---|---|
Choate Rosemary Hall (Choate) | Wallingford, CT | 1890 | 868 | Suburban | Yes (15-25) | No | [9][6] |
Deerfield Academy | Deerfield, MA | 1797 | 666 | Rural | Yes | Yes | [10][11] |
The Hill School | Pottstown, PA | 1851 | 520 | Suburban | Yes (14-20) | Yes | [12][13][14] |
Hotchkiss School | Lakeville, CT | 1891 | 622 | Rural | Yes | Yes | [15][16][17] |
Lawrenceville School | Lawrenceville, NJ | 1810 | 818 | Suburban | Yes | Yes | [18][19] |
Loomis Chaffee School | Windsor, CT | 1914 | 736 | Suburban | Yes (20-25) | No | [20][21][7] |
Phillips Academy (Andover) | Andover, MA | 1778 | 1,187 | Suburban | Yes (~20) | Yes | [22][23][24] |
Phillips Exeter Academy (Exeter) | Exeter, NH | 1781 | 1,064 | Suburban | Yes (~24) | Yes | [25][26][27] |
St. Paul's School | Concord, NH | 1856 | 542 | Town | No | Yes | [28][8][29] |
Taft School | Watertown, CT | 1890 | 601 | Suburban | Yes | Yes | [30][31] |