Middlesex School
Concord, Massachusetts · Day and boarding · Co-ed · Grades 9–12
Middlesex is a coeducational boarding and day school for grades 9–12 in Concord, Massachusetts, founded in 1901 and located about 25 miles from Boston on a 350-acre campus. It enrolls 429 students, about 70% of whom board, from 23 states and 22 countries. The curriculum includes 23 AP courses, with a 4:1 student-to-faculty ratio and classes averaging 12. International students make up roughly 14%; the school offers no ESL program and sets no country quotas. Applicants take the SSAT or ISEE (grade 11: SSAT, PSAT or SAT), and non-native English speakers add TOEFL, Duolingo or IELTS.
- 23 Advanced Placement courses
- 4:1 student-to-faculty ratio, average class of 12
- 350-acre campus 25 miles from Boston
- About 70% of students board
- No fees beyond tuition