#1 Largest Private Schools in Rochester, NY
McQuaid Jesuit
Independent Catholic school · Grades 6–12
741 students
Rochester, NY
B+Overall gradeAll boys741 students12 students per teacher
2026 lists
Largest Private Schools in Rochester, NY
The private schools in Rochester, NY with the most students. Top 31 of 31 schools.
#2 Largest Private Schools in Rochester, NY
Aquinas Institute
Independent Catholic school · Grades 6–12
717 students
Rochester, NY
AOverall grade717 students11 students per teacher
#3 Largest Private Schools in Rochester, NY
Our Lady of Mercy School for Young Women
Independent Catholic school · Grades 6–12
612 students
Rochester, NY
A+Overall gradeAll girls612 students10 students per teacher
#4 Largest Private Schools in Rochester, NY
The Harley School
Independent school · Grades Pre-K–12
453 students
Rochester, NY
A+Overall grade453 students6 students per teacher
#5 Largest Private Schools in Rochester, NY
Bishop Kearney High School
Parish school · Grades 6–12
406 students
Rochester, NY
A-Overall grade406 students12 students per teacher
#6 Largest Private Schools in Rochester, NY
Allendale Columbia School
Independent school · Grades Pre-K–12
263 students
Rochester, NY
A+Overall grade263 students4 students per teacher
#7 Largest Private Schools in Rochester, NY
Mary Cariola Center
Special education school · Grades K–12
253 students
Rochester, NY
A+Overall grade253 students4 students per teacher
#8 Largest Private Schools in Rochester, NY
Holy Cross School
Parish school · Grades Pre-K–6
164 students
Rochester, NY
A+Overall grade164 students10 students per teacher
#9 Largest Private Schools in Rochester, NY
Seton Catholic School
Diocesan school · Grades Pre-K–6
142 students
Rochester, NY
AOverall grade142 students11 students per teacher
#10 Largest Private Schools in Rochester, NY
Hope Hall School
Independent school · Grades 3–12
141 students
Rochester, NY
A-Overall grade141 students6 students per teacher
#11 Largest Private Schools in Rochester, NY
Rochester Christian School
Christian school (nondenominational) · Grades Pre-K–8
135 students
Rochester, NY
B+Overall grade135 students10 students per teacher
#12 Largest Private Schools in Rochester, NY
St. Lawrence Elementary School
Independent Catholic school · Grades Pre-K–5
133 students
Rochester, NY
B-Overall grade133 students22 students per teacher
#13 Largest Private Schools in Rochester, NY
School of the Holy Childhood
Special education school · Ungraded
103 students
Rochester, NY
BOverall grade103 students7 students per teacher
#14 Largest Private Schools in Rochester, NY
Nazareth Elementary
Independent Catholic school · Grades Pre-K–6
100 students
Rochester, NY
A+Overall grade100 students7 students per teacher
#15 Largest Private Schools in Rochester, NY
The Norman Howard School
Special education school · Grades 4–12
98 students
Rochester, NY
A+Overall grade98 students4 students per teacher
#16 Largest Private Schools in Rochester, NY
Rochester School for the Deaf
Special education school · Grades Pre-K–12
97 students
Rochester, NY
A+Overall grade97 students4 students per teacher
#17 Largest Private Schools in Rochester, NY
Mary Cariola, Building 2
Special education school · Grades 6–12
96 students
Rochester, NY
B+Overall grade96 students6 students per teacher
#18 Largest Private Schools in Rochester, NY
Trinity Montessori School
Montessori school · Grades K–6
86 students
Rochester, NY
BOverall grade86 students9 students per teacher
#19 Largest Private Schools in Rochester, NY
St. Pius Tenth School
Diocesan school · Grades Pre-K–5
82 students
Rochester, NY
AOverall grade82 students8 students per teacher
#20 Largest Private Schools in Rochester, NY
Destiny Christian School and Preschool
Pentecostal school · Grades Pre-K–8
82 students
Rochester, NY
B+Overall grade82 students10 students per teacher
#21 Largest Private Schools in Rochester, NY
St. Kateri School
Parish school · Grades Pre-K–5
77 students
Rochester, NY
A+Overall grade77 students6 students per teacher
#22 Largest Private Schools in Rochester, NY
Hillside Children's Center -Andrews Trahey Campus
Alternative school · Grades 5–12
76 students
Rochester, NY
A+Overall grade76 students3 students per teacher
#23 Largest Private Schools in Rochester, NY
St. Ambrose Academy
Diocesan school · Grades Pre-K–5
73 students
Rochester, NY
A+Overall grade73 students8 students per teacher
#24 Largest Private Schools in Rochester, NY
Westfall Academy Icr
Islamic school · Grades Pre-K–5
65 students
Rochester, NY
AOverall grade65 students5 students per teacher
From official public records, updated October 2026.