# School City, state Students per class year Class year Source
1 Ellis School Pittsburgh, PA 0.8
4 over 5 class years
2019–2023 School's published list
2 The Linsly School Wheeling, WV 0.4
2 over 5 class years
2020-24 School's published list
3 Sewickley Academy Sewickley, PA 0.3
1 over 3 class years
Classes of 2023, 2024, and 2025 School's published list
4 Berwick Academy South Berwick, ME 0.2
1 over 5 class years
past five graduating classes (2022 – 2026) School's published list
5 Dunn School Los Olivos, CA 0.2
1 over 5 class years
2021-2025 School's published list
6 Harrisburg Academy Wormleysburg, PA 0.2
1 over 5 class years
2021-2025 School's published list
7 Vermont Academy Saxtons River, VT 0.2
1 over 6 class years
Matriculation List (2021-2026) School's published list

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