# School City, state Students per class year Class year Source
1 Gilman School Baltimore, MD 3.6
18 over 5 class years
classes of 2020-2024 School's published list
2 The Lawrenceville School Lawrenceville, NJ 2.8
14 over 5 class years
the last five years School's published list
3 John Burroughs School Saint Louis, MO 2.0
10 over 5 class years
2021-2025 School's published list
4 The Hockaday School Dallas, TX 2.0
6 over 3 class years
2024 – 2026 School's published list
5 Peddie School Hightstown, NJ 2.0
2 over 1 class year
Class of 2026 School's published list
6 Princeton Day School Princeton, NJ 2.0
2 over 1 class year
Class of 2026 School's published list
7 Providence Day School Charlotte, NC 2.0
2 over 1 class year
Class of 2026 School's published list
8 Rye Country Day School Rye, NY 2.0
2 over 1 class year
Class of 2026 School's published list
9 Stevenson School Pebble Beach, CA 2.0
2 over 1 class year
Class of 2025 School's published list
10 Northfield Mount Hermon Mount Hermon, MA 1.8
7 over 4 class years
the past four years School's published list
11 Sage Hill School Newport Coast, CA 1.7
5 over 3 class years
2023-2025 School's published list
12 Lakeside School Seattle, WA 1.6
8 over 5 class years
2021-2025 School's published list
13 The Hotchkiss School Lakeville, CT 1.5
6 over 4 class years
Classes of 2023, 2024, 2025, and 2026 School's published list
14 St. John's School Houston, TX 1.4
7 over 5 class years
Over the past five (2022-2026) graduating classes School's published list
15 St. Mark's School of Texas Dallas, TX 1.3
4 over 3 class years
Classes of 2023-2025 School's published list
16 Belmont Hill School Belmont, MA 1.2
6 over 5 class years
2022-2026 School's published list
17 College Preparatory School Oakland, CA 1.2
6 over 5 class years
the last five years School's published list
18 Eastside Preparatory School Kirkland, WA 1.2
6 over 5 class years
2021-2025 School's published list
19 The Taft School Watertown, CT 1.2
6 over 5 class years
past five years (2020-2024) School's published list
20 Emma Willard School Troy, NY 1.0
4 over 4 class years
Classes of 2023, 2024, 2025, 2026 School's published list
21 Francis Parker School San Diego, CA 1.0
4 over 4 class years
2022-2025 School's published list
22 Holton-Arms School Bethesda, MD 1.0
4 over 4 class years
College Matriculations 2017-2020 School's published list
23 Kent Place School Summit, NJ 1.0
4 over 4 class years
2022-2025 School's published list
24 Punahou School Honolulu, HI 1.0
4 over 4 class years
over the last four years: 2026, 2025, 2024, and 2023 School's published list
25 St. John's School Tamuning, GU 1.0
4 over 4 class years
Classes of 2018–2022 School's published list
26 The Pingry School Basking Ridge, NJ 1.0
4 over 4 class years
2022-2025 School's published list
27 Menlo School Atherton, CA 1.0
3 over 3 class years
Classes of 2023-2025 School's published list
28 The Harker School San Jose, CA 1.0
3 over 3 class years
Classes of 2023, 2024 & 2025 School's published list
29 Archer School for Girls Los Angeles, CA 1.0
1 over 1 class year
Class of '25 School's published list
30 Blair Academy Blairstown, NJ 1.0
1 over 1 class year
Class of 2026 School's published list
31 Chadwick School Palos Verdes Estate, CA 1.0
1 over 1 class year
Class of 2025 School's published list
32 Chatham Hall Chatham, VA 1.0
1 over 1 class year
Class of 2026 School's published list
33 Commonwealth School Boston, MA 1.0
1 over 1 class year
Class of 2022 School's published list
34 Delbarton School Morristown, NJ 1.0
1 over 1 class year
Class of 2026 School's published list
35 Marlborough School Los Angeles, CA 1.0
1 over 1 class year
Class of 2026 School's published list
36 McDonogh School Owings Mills, MD 1.0
1 over 1 class year
Class of 2026 School's published list
37 Middlesex School Concord, MA 1.0
1 over 1 class year
Class of 2026 School's published list
38 Pace Academy Atlanta, GA 1.0
1 over 1 class year
Class of 2026 School's published list
39 Regis High School New York, NY 1.0
1 over 1 class year
2022-2025 School's published list
40 Rowland Hall Salt Lake City, UT 1.0
1 over 1 class year
Class of 2026 School's published list
41 Saint Francis Catholic High School Sacramento, CA 1.0
1 over 1 class year
Class of 2025 School's published list
42 Santa Margarita Catholic High School Rancho Santa Margarita, CA 1.0
1 over 1 class year
Class of 2025 School's published list
43 St Ann'S School Brooklyn, NY 1.0
1 over 1 class year
CLASS OF 2024 School's published list
44 St. Luke's School (New Canaan) New Canaan, CT 1.0
1 over 1 class year
Class of 2026 / Classes 2021-2025 School's published list
45 St. Margaret's Episcopal School San Juan Capistrano, CA 1.0
1 over 1 class year
Class of 2026 School's published list
46 The Bryn Mawr School Baltimore, MD 1.0
1 over 1 class year
Class of 2026 School's published list
47 The Columbus Academy Gahanna, OH 1.0
1 over 1 class year
Class of 2026 School's published list
48 The Greenwich Country Day School Greenwich, CT 1.0
1 over 1 class year
2021-2025 School's published list
49 Woodside Priory School Portola Valley, CA 1.0
1 over 1 class year
Class of 2026 School's published list
50 Riverdale Country School Bronx, NY 0.8
5 over 6 class years
Higher Ed Enrollment 2021-2026 School's published list

The 50 largest of 138 ranked private schools.

Also published, with a total but no class-year window we can read, so not ranked: Garrison Forest School (1), The Lovett School (1).

All schools, public and private, and the lists of colleges that admitted each school's graduates, are on the Johns Hopkins University feeder leaderboard. More about the college: Johns Hopkins University.

Each count is copied from a list the school published about its own graduates: where they enrolled, one student at one college. The ranked figure is that count divided by the class years the school's list covers. A school that is not on this page did not publish a numbered matriculation list we could read — that is all absence means here. It is never a statement about a school's graduates. Lists of acceptances (where students were admitted, not where they enrolled) are never counted in this ranking: an acceptances list runs about three times an enrollment list, so counting the two together would compare different things. Those lists are ranked on their own, separately.