#1 Best Boarding Schools in Capitol County, CT
Suffield Academy
Independent school · Grades 9–12
100% of graduates go to four-year colleges
Suffield, CT
A+Overall grade413 students6 students per teacher
2026 lists
Best Boarding Schools in Capitol County, CT
The highest-graded schools of this kind in Capitol County, CT. Top 5 of 5 schools.
#2 Best Boarding Schools in Capitol County, CT
Miss Porter's School
Independent school · Grades 9–12
98% of graduates go to four-year colleges
Farmington, CT
B+Overall gradeAll girls336 students7 students per teacher
#3 Best Boarding Schools in Capitol County, CT
The Ethel Walker School
Independent school · Grades 6–12
The only all-girls school in Simsbury
Simsbury, CT
B+Overall gradeAll girls227 students8 students per teacher
#4 Best Boarding Schools in Capitol County, CT
The Loomis Chaffee School
Independent school · Grades 9–12
The only independent school in Windsor
Windsor, CT
BOverall grade735 students8 students per teacher
#5 Best Boarding Schools in Capitol County, CT
Westminster School
Independent school · Grades 9–12
98% of graduates go to four-year colleges
Simsbury, CT
BOverall grade414 students7 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.