# School City, state Students per class year Class year Source
1 Delbarton School Morristown, NJ 1.0
1 over 1 class year
Class of 2026 School's published list
2 Northwood School Lake Placid, NY 0.8
4 over 5 class years
Classes of 2021-2025 School's published list
3 Emma Willard School Troy, NY 0.5
2 over 4 class years
Classes of 2023, 2024, 2025, 2026 School's published list
4 The Derryfield School Manchester, NH 0.5
2 over 4 class years
2022-2025 School's published list
5 Shattuck-St. Marys School Faribault, MN 0.5
1 over 2 class years
Classes of 2024 and 2025 School's published list
6 Berwick Academy South Berwick, ME 0.4
2 over 5 class years
past five graduating classes (2022 – 2026) School's published list
7 Albany Academies Albany, NY 0.2
1 over 5 class years
2022-2026 School's published list
8 Gould Academy Bethel, ME 0.2
1 over 6 class years
Matches made by Gould students from 2020 to 2025 School's published list
9 Greenhill School Addison, TX 0.2
1 over 4 class years
2022 - 2025 School's published list
10 Malvern Preparatory School Malvern, PA 0.2
1 over 4 class years
Classes of 2022-2025 School's published list
11 Oregon Episcopal School Portland, OR 0.2
1 over 5 class years
Classes of 2022-26 School's published list
12 Pingree School South Hamilton, MA 0.2
1 over 5 class years
2021–2025 School's published list
13 St. Sebastian's School Needham, MA 0.2
1 over 5 class years
past five years School's published list
14 Thayer Academy Braintree, MA 0.2
1 over 4 class years
2020-23 School's published list
15 Tilton School Tilton, NH 0.2
1 over 5 class years
2019-2023 School's published list
16 Vermont Academy Saxtons River, VT 0.2
1 over 6 class years
Matriculation List (2021-2026) School's published list
17 York Country Day School York, PA 0.1
1 over 10 class years
The Classes of 2015-2024 School's published list

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