#1 Best Boarding Schools in the Northeast
The Pennington School
Methodist school · Grades 6–12
The only Christian school in Pennington
Pennington, NJ
A+Overall grade537 students6 students per teacher
2026 lists
Best Boarding Schools in the Northeast
The highest-graded schools of this kind in the Northeast. Top 50 of 74 schools.
#2 Best Boarding Schools in the Northeast
Portsmouth Abbey School
Independent Catholic school · Grades 9–12
Smaller classes than 88% of Catholic schools nationwide
Portsmouth, RI
A+Overall grade337 students8 students per teacher
#3 Best Boarding Schools in the Northeast
Westover School
Independent school · Grades 9–12
96% of graduates go to four-year colleges
Middlebury, CT
A+Overall gradeAll girls142 students5 students per teacher
#4 Best Boarding Schools in the Northeast
Blair Academy
Presbyterian school · Grades 9–12
100% of graduates go to four-year colleges
Blairstown, NJ
A+Overall grade474 students7 students per teacher
#5 Best Boarding Schools in the Northeast
St. Mark's School
Episcopal school · Grades 9–12
The only Christian school in Southborough
Southborough, MA
A+Overall grade377 students4 students per teacher
#6 Best Boarding Schools in the Northeast
Grier School
Independent school · Grades 7–12
The only all-girls school in Tyrone
Tyrone, PA
A+Overall gradeAll girls229 students5 students per teacher
#7 Best Boarding Schools in the Northeast
Miss Hall's School
Independent school · Grades 9–12
Smaller classes than 92% of independent schools in Massachusetts
Pittsfield, MA
A+Overall gradeAll girls190 students3 students per teacher
#8 Best Boarding Schools in the Northeast
Kents Hill School
Independent school · Grades 9–12
100% of graduates go to four-year colleges
Kents Hill, ME
A+Overall grade206 students7 students per teacher
#9 Best Boarding Schools in the Northeast
Phillips Academy
Independent school · Grades 9–12
The only independent school in Andover
Andover, MA
A+Overall grade1,154 students6 students per teacher
#10 Best Boarding Schools in the Northeast
Groton School
Episcopal school · Grades 8–12
The only Christian school in Groton
Groton, MA
A+Overall grade381 students6 students per teacher
#11 Best Boarding Schools in the Northeast
The Cheshire Academy
Independent school · Grades 9–12
100% of graduates go to four-year colleges
Cheshire, CT
A+Overall grade341 students6 students per teacher
#12 Best Boarding Schools in the Northeast
St. Thomas More School
Independent school · Grades 8–12
98% of graduates go to four-year colleges
Oakdale, CT
A+Overall grade143 students6 students per teacher
#13 Best Boarding Schools in the Northeast
The Hill School
Independent school · Grades 9–12
100% of graduates go to four-year colleges
Pottstown, PA
A+Overall grade539 students6 students per teacher
#14 Best Boarding Schools in the Northeast
Oakwood Friends School
Quaker (Friends) school · Grades 6–12
The smallest classes of any Christian school in Poughkeepsie
Poughkeepsie, NY
A+Overall grade169 students6 students per teacher
#15 Best Boarding Schools in the Northeast
Stoneleigh-Burnham School
Independent school · Grades 7–12
The only all-girls school in Greenfield
Greenfield, MA
A+Overall gradeAll girls98 students4 students per teacher
#16 Best Boarding Schools in the Northeast
Lexington Christian Academy
Christian school (nondenominational) · Grades 6–12
The only Christian school in Lexington
Lexington, MA
A+Overall grade290 students9 students per teacher
#17 Best Boarding Schools in the Northeast
Hillside School
Independent school · Grades 4–9
The only independent school in Marlborough
Marlborough, MA
A+Overall gradeAll boys140 students5 students per teacher
#18 Best Boarding Schools in the Northeast
Brooks School
Episcopal school · Grades 9–12
The only Christian school in North Andover
North Andover, MA
A+Overall grade363 students7 students per teacher
#19 Best Boarding Schools in the Northeast
Dublin School
Independent school · Grades 9–12
100% of graduates go to four-year colleges
Dublin, NH
A+Overall grade169 students6 students per teacher
#20 Best Boarding Schools in the Northeast
The Hotchkiss School
Independent school · Grades 9–12
100% of graduates go to four-year colleges
Lakeville, CT
A+Overall grade602 students6 students per teacher
#21 Best Boarding Schools in the Northeast
White Mountain School
Episcopal school · Grades 9–12
Smaller classes than 90% of Christian schools nationwide
Bethlehem, NH
A+Overall grade78 students3 students per teacher
#22 Best Boarding Schools in the Northeast
Westtown School
Quaker (Friends) school · Grades Pre-K–12
Smaller classes than 84% of Christian schools in Pennsylvania
West Chester, PA
A+Overall grade676 students6 students per teacher
#23 Best Boarding Schools in the Northeast
Darrow School
Independent school · Grades 9–12
100% of graduates go to four-year colleges
New Lebanon, NY
A+Overall grade94 students4 students per teacher
#24 Best Boarding Schools in the Northeast
Phillips Exeter Academy
Independent school · Grades 9–12
The largest of 29 independent schools in New Hampshire
Exeter, NH
A+Overall grade1,055 students6 students per teacher
Grades compare each school's official facts, such as class size, how long it has served families and where graduates go, with similar schools. They're a starting point: visit, ask questions and trust what you see.