#25 Private Schools with the Smallest Classes in Connecticut
Canterbury School
Independent Catholic school · Grades 8–12
5.5 students per teacher
New Milford, CT
A+Overall grade406 students6 students per teacher
2026 lists
Private Schools with the Smallest Classes in Connecticut
Private schools in Connecticut with the fewest students per teacher (not counting preschools and special education schools). Top 50 of 148 schools.
#26 Private Schools with the Smallest Classes in Connecticut
St. Thomas's Day School
Episcopal school · Grades K–6
5.5 students per teacher
New Haven, CT
A+Overall grade119 students6 students per teacher
#27 Private Schools with the Smallest Classes in Connecticut
Montessori School of Greater Hartford
Montessori school · Grades Pre-K–9
5.5 students per teacher
West Hartford, CT
A+Overall grade99 students6 students per teacher
#28 Private Schools with the Smallest Classes in Connecticut
Solomon Schechter Day School
Jewish day school · Grades Pre-K–8
5.5 students per teacher
West Hartford, CT
AOverall grade87 students6 students per teacher
#29 Private Schools with the Smallest Classes in Connecticut
Ezra Academy
Jewish day school · Grades Pre-K–8
5.5 students per teacher
Woodbridge, CT
A-Overall grade76 students6 students per teacher
#30 Private Schools with the Smallest Classes in Connecticut
Litchfield Montessori School
Montessori school · Grades Pre-K–6
5.5 students per teacher
Northfield, CT
A-Overall grade41 students6 students per teacher
#31 Private Schools with the Smallest Classes in Connecticut
Southern Connecticut Hebrew Academy
Jewish day school · Grades Pre-K–12
5.6 students per teacher
Orange, CT
B+Overall grade169 students6 students per teacher
#32 Private Schools with the Smallest Classes in Connecticut
Mater Salvatoris College Preparatory School
Independent Catholic school · Grades Pre-K–8
5.7 students per teacher
Stamford, CT
A+Overall grade200 students6 students per teacher
#33 Private Schools with the Smallest Classes in Connecticut
The Greenwich Japanese School
Independent school · Grades 1–9
5.7 students per teacher
Riverside, CT
B+Overall grade112 students6 students per teacher
#34 Private Schools with the Smallest Classes in Connecticut
Yeshiva K'tana of Waterbury
Jewish day school · Grades Pre-K–8
5.9 students per teacher
Waterbury, CT
BOverall grade583 students6 students per teacher
#35 Private Schools with the Smallest Classes in Connecticut
Putnam Science Academy
Independent school · Grades 8–12
5.9 students per teacher
Putnam, CT
A+Overall grade130 students6 students per teacher
#36 Private Schools with the Smallest Classes in Connecticut
Talcott Mountain Academy of Science Mathematics
Independent school · Grades K–8
6 students per teacher
Avon, CT
A-Overall grade62 students6 students per teacher
#37 Private Schools with the Smallest Classes in Connecticut
Suffield Academy
Independent school · Grades 9–12
6.1 students per teacher
Suffield, CT
A+Overall grade413 students6 students per teacher
#38 Private Schools with the Smallest Classes in Connecticut
St. Thomas More School
Independent school · Grades 8–12
6.1 students per teacher
Oakdale, CT
A+Overall grade143 students6 students per teacher
#39 Private Schools with the Smallest Classes in Connecticut
Cold Spring School
Montessori school · Grades Pre-K–6
6.1 students per teacher
New Haven, CT
BOverall grade136 students6 students per teacher
#40 Private Schools with the Smallest Classes in Connecticut
St. Joseph Elementary School
Parish school · Grades Pre-K–8
6.1 students per teacher
Baltic, CT
A+Overall grade68 students6 students per teacher
#41 Private Schools with the Smallest Classes in Connecticut
Indian Mountain School
Independent school · Grades Pre-K–9
6.2 students per teacher
Lakeville, CT
A+Overall grade311 students6 students per teacher
#42 Private Schools with the Smallest Classes in Connecticut
The Cheshire Academy
Independent school · Grades 9–12
6.3 students per teacher
Cheshire, CT
A+Overall grade341 students6 students per teacher
#43 Private Schools with the Smallest Classes in Connecticut
Rumsey Hall School
Independent school · Grades Pre-K–9
6.3 students per teacher
Washington Depot, CT
A+Overall grade315 students6 students per teacher
#44 Private Schools with the Smallest Classes in Connecticut
The Hotchkiss School
Independent school · Grades 9–12
6.4 students per teacher
Lakeville, CT
A+Overall grade602 students6 students per teacher
#45 Private Schools with the Smallest Classes in Connecticut
The Master's School
Christian school (nondenominational) · Grades Pre-K–12
6.4 students per teacher
West Simsbury, CT
A+Overall grade162 students6 students per teacher
#46 Private Schools with the Smallest Classes in Connecticut
Pomfret School
Independent school · Grades 9–12
6.5 students per teacher
Pomfret, CT
AOverall grade350 students7 students per teacher
#47 Private Schools with the Smallest Classes in Connecticut
St. Luke Catholic School
Parish school · Grades Pre-K–8
6.5 students per teacher
Southington, CT
A+Overall grade71 students7 students per teacher
#48 Private Schools with the Smallest Classes in Connecticut
Immanuel Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
6.5 students per teacher
Danbury, CT
B+Overall grade55 students7 students per teacher
From official public records, updated October 2026.