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Suffield Academy vs Middlesex School

Side-by-side comparison of normalized school metrics, academics, admissions, and linked nonprofit financials for schools about 74.1 miles apart.

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Siviq Rank#72
View SchoolEIN 06-0678539

Suffield Academy

Boarding and Day • 420 students

Suffield Academy is an independent, nondenominational, coeducational secondary school in Suffield, Connecticut, serving grades 9-12 and postgraduate students. The 2025-2026 profile reports 420 students, average class size of 11, 40% on financial aid, 21 represented states, 29 represented countries, and 18% international students. The school typically offers 14 AP courses, does not publish class rank, and does not report disciplinary actions on transcripts, school reports, or counselor recommendations.

TypeBoarding and Day
Enrollment420
Student/TeacherNot reported
Siviq Rank#13
View SchoolEIN 04-2103821

Middlesex School

Concord, MA • Boarding and Day • 427 students

Middlesex School is a nonsectarian, coeducational boarding/day preparatory school in Concord, Massachusetts, founded in 1901 and serving grades 9-12. The 2025-2026 profile reports 427 students, 67 teaching faculty, an average section size of 12, and a Class of 2025 matriculation list led by Northeastern University and the University of Chicago.

TypeBoarding and Day
Enrollment427
Student/Teacher4:1

Map

Overview

Suffield Academy

Boarding and Day • 420 students

Metric
Middlesex School

Concord, MA • Boarding and Day • 427 students

Suffield Academy420

Enrollment

Gap 7

Middlesex School427
Suffield AcademyNot reported

Student/Teacher Ratio

Partial data

Middlesex School4:1

Admissions

Suffield Academy

Boarding and Day • 420 students

Metric
Middlesex School

Concord, MA • Boarding and Day • 427 students

Suffield Academy25%

Admit Rate

Partial data

Middlesex SchoolNot reported

Academics

Suffield Academy

Boarding and Day • 420 students

Metric
Middlesex School

Concord, MA • Boarding and Day • 427 students

Suffield AcademyNot reported

Average ACT

Partial data

Middlesex School32
Suffield Academy14

AP Courses

Gap 10

Middlesex School24
Suffield AcademyYes

Honors Program

Same reported value

Middlesex SchoolYes

Student Body

Suffield Academy

Boarding and Day • 420 students

Metric
Middlesex School

Concord, MA • Boarding and Day • 427 students

Suffield Academy21

States Represented

Gap 2

Middlesex School23
Suffield Academy29

Countries Represented

Gap 8

Middlesex School21
Suffield Academy18%

International Students

Partial data

Middlesex SchoolNot reported
Suffield Academy40%

Receiving Financial Aid

Partial data

Middlesex SchoolNot reported

Financials

Suffield Academy

Boarding and Day • 420 students

Metric
Middlesex School

Concord, MA • Boarding and Day • 427 students

Suffield Academy$164,807,298

Net Assets

Gap $250,706,677

Middlesex School$415,513,975
Suffield Academy$5,280,746

Net Income

Gap $951,526

Middlesex School$4,329,220
Suffield Academy$38,054,449

Total Expenses

Gap $16,637,688

Middlesex School$54,692,137
Suffield Academy$90,606

Expenses Per Student

Gap $37,479

Middlesex School$128,085
Suffield Academy vs Middlesex School | High School Compare