Independent Schools Association of Northern New England (ISANNE) Member Schools

BoardingSchoolReview.com lists 6 boarding schools as Independent Schools Association of Northern New England (ISANNE) members, serving 1,760 students. Learn more about the association at Independent Schools Association of Northern New England (ISANNE).

Membership data comes from the schools themselves and from published association directories. See all school associations.

Independent Schools Association of Northern New England (ISANNE) Member Schools (2026-27)

School
Location
Quick Facts
Cardigan Mountain School
Cardigan Mountain School Photo
(2)
62 Alumni Drive
Canaan, NH 03741
(603) 523-3548
Gr: 6-9 | 235 students Student-teacher ratio: 4:1 Avg. class size: 12 students Acceptance rate: 74% Tuition listed
Dublin School
Dublin School Photo - There`s dramatic beauty that is apparent on your first visit to Dublin. Surrounded by unspoiled forests, pristine lakes and Mt. Monadnock - the most climbed mountain in the world, our 500-acre campus supports a vibrant and supportive community of scholars, artists and athletes.
(1)
18 Lehmann Way, PO Box 522
Dublin, NH 03444
(603) 563-7075
Gr: 9-12 | 165 students Student-teacher ratio: 5:1 Avg. class size: 10 students Acceptance rate: 46% Tuition listed
Foxcroft Academy
Foxcroft Academy Photo - www.foxcroftacademy.org or follow us on Twitter @foxcroftacademy
(2)
975 West Main Street
Dover Foxcroft, ME 04426
(207) 564-8664
Gr: 9-12, PG | 410 students Student-teacher ratio: 14:1 Avg. class size: 12 students Acceptance rate: 62% Tuition listed
Holderness School
Holderness School Photo - In the Holderness classroom, each student is literally in the front row, with an average class size of 12. We offer AP courses spanning multiple disciplines and encourage students to pursue an intellectual passion of their own in their twelfth-grade year as part of the Senior Thesis program.
(Episcopal)
(9)
PO Box 1879
Plymouth, NH 03264
(603) 536-1747
Gr: 9-12, PG | 300 students Student-teacher ratio: 6:1 Avg. class size: 12 students Acceptance rate: 45% Tuition listed
Lyndon Institute
Lyndon Institute Photo
PO Box 127, 168 Institute Circle
Lyndon Center, VT 05850
(802) 535-3700
Gr: 9-12, PG | 430 students Student-teacher ratio: 9:1 Avg. class size: 15 students Acceptance rate: 98% Tuition listed
Tilton School
Tilton School Photo - Tilton School is an independent, coeducational, college preparatory school serving students from 9th to 12th grade and postgraduates. Tilton's student body of 220 consists of day students and boarding students from 19 states and 16 countries. Although the Tilton Experience is different for every student, it challenges all students to try new things, learn new skills, and try new things.
(1)
30 School Street
Tilton, NH 03276
(603) 286-1733
Gr: 9-12, PG | 220 students Student-teacher ratio: 6:1 Avg. class size: 12 students Acceptance rate: 52% Tuition listed

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