#1 Private Schools with the Smallest Classes in Buffalo, NY
Buffalo Seminary
Independent school · Grades 9–12
6.4 students per teacher
Buffalo, NY
A+Overall gradeAll girls149 students6 students per teacher
2026 lists
Private Schools with the Smallest Classes in Buffalo, NY
Private schools in Buffalo, NY with the fewest students per teacher (not counting preschools and special education schools). Top 10 of 10 schools.
#2 Private Schools with the Smallest Classes in Buffalo, NY
Nichols School
Independent school · Grades 5–12
8 students per teacher
Buffalo, NY
BOverall grade582 students8 students per teacher
#3 Private Schools with the Smallest Classes in Buffalo, NY
Mount St. Mary Academy
Independent Catholic school · Grades 9–12
8.2 students per teacher
Buffalo, NY
A+Overall gradeAll girls216 students8 students per teacher
#4 Private Schools with the Smallest Classes in Buffalo, NY
Mount Mercy Academy
Independent Catholic school · Grades 9–12
8.4 students per teacher
Buffalo, NY
A+Overall gradeAll girls180 students8 students per teacher
#5 Private Schools with the Smallest Classes in Buffalo, NY
Catholic Academy West Buffalo
Diocesan school · Grades Pre-K–8
10.6 students per teacher
Buffalo, NY
A+Overall grade170 students11 students per teacher
#6 Private Schools with the Smallest Classes in Buffalo, NY
Darul Uloom Al Madania
Islamic school · Grades Pre-K–11
10.7 students per teacher
Buffalo, NY
B+Overall grade277 students11 students per teacher
#7 Private Schools with the Smallest Classes in Buffalo, NY
Bishop Timon-St. Jude High School
Independent Catholic school · Grades 9–12
11 students per teacher
Buffalo, NY
AOverall gradeAll boys279 students11 students per teacher
#8 Private Schools with the Smallest Classes in Buffalo, NY
St. Mark School
Diocesan school · Grades Pre-K–8
11.3 students per teacher
Buffalo, NY
AOverall grade362 students11 students per teacher
#9 Private Schools with the Smallest Classes in Buffalo, NY
St. Josephs Collegiate Institute
Independent Catholic school · Grades 9–12
13.8 students per teacher
Buffalo, NY
B+Overall gradeAll boys647 students14 students per teacher
#10 Private Schools with the Smallest Classes in Buffalo, NY
Notre Dame Academy
Diocesan school · Grades Pre-K–8
14.2 students per teacher
Buffalo, NY
BOverall grade376 students14 students per teacher
From official public records, updated October 2026.