#1 Largest Private Schools in Columbus, OH
St. Francis De Sales High School
Diocesan school · Grades 9–12
866 students
Columbus, OH
A+Overall grade866 students12 students per teacher
2026 lists
Largest Private Schools in Columbus, OH
The private schools in Columbus, OH with the most students. Top 42 of 42 schools.
#2 Largest Private Schools in Columbus, OH
Bishop Watterson High
Diocesan school · Grades 9–12
864 students
Columbus, OH
A+Overall grade864 students11 students per teacher
#3 Largest Private Schools in Columbus, OH
Bishop Hartley High School
Diocesan school · Grades 9–12
697 students
Columbus, OH
A+Overall grade697 students13 students per teacher
#4 Largest Private Schools in Columbus, OH
Columbus School for Girls
Independent school · Grades Pre-K–12
460 students
Columbus, OH
A+Overall gradeAll girls460 students7 students per teacher
#5 Largest Private Schools in Columbus, OH
St. Andrew School
Diocesan school · Grades Pre-K–8
436 students
Columbus, OH
BOverall grade436 students13 students per teacher
#6 Largest Private Schools in Columbus, OH
Tree of Life Christian Schools
Christian school (nondenominational) · Grades 6–12
434 students
Columbus, OH
BOverall grade434 students15 students per teacher
#7 Largest Private Schools in Columbus, OH
Cristo Rey Columbus High School
Independent Catholic school · Grades 9–12
432 students
Columbus, OH
AOverall grade432 students14 students per teacher
#8 Largest Private Schools in Columbus, OH
Tree of Life Christian Schools
Christian school (nondenominational) · Grades 6–12
431 students
Columbus, OH
B-Overall grade431 students14 students per teacher
#9 Largest Private Schools in Columbus, OH
All Saints Academy
Parish school · Grades Pre-K–8
409 students
Columbus, OH
B+Overall grade409 students16 students per teacher
#10 Largest Private Schools in Columbus, OH
Immaculate Conception School
Diocesan school · Grades Pre-K–8
385 students
Columbus, OH
BOverall grade385 students16 students per teacher
#11 Largest Private Schools in Columbus, OH
St. Mary School
Diocesan school · Grades Pre-K–8
348 students
Columbus, OH
A+Overall grade348 students10 students per teacher
#12 Largest Private Schools in Columbus, OH
St. Cecilia Elementary School
Parish school · Grades Pre-K–8
291 students
Columbus, OH
A+Overall grade291 students14 students per teacher
#13 Largest Private Schools in Columbus, OH
St. Matthias School
Parish school · Grades K–8
270 students
Columbus, OH
BOverall grade270 students22 students per teacher
#14 Largest Private Schools in Columbus, OH
St. Timothy School
Parish school · Grades K–8
231 students
Columbus, OH
BOverall grade231 students18 students per teacher
#15 Largest Private Schools in Columbus, OH
Tree of Life Christian School-Clintonville
Christian school (nondenominational) · Grades Pre-K–5
231 students
Columbus, OH
BOverall grade231 students17 students per teacher
#16 Largest Private Schools in Columbus, OH
Tree of Life Christian Schools Clintonville Campus
Christian school (nondenominational) · Grades Pre-K–5
228 students
Columbus, OH
BOverall grade228 students18 students per teacher
#17 Largest Private Schools in Columbus, OH
Columbus Torah Academy
Jewish day school · Grades K–12
219 students
Columbus, OH
B+Overall grade219 students3 students per teacher
#18 Largest Private Schools in Columbus, OH
Calumet Christian School
Christian school (nondenominational) · Grades Pre-K–8
215 students
Columbus, OH
AOverall grade215 students10 students per teacher
#19 Largest Private Schools in Columbus, OH
Northside Christian School
Christian school (nondenominational) · Grades Pre-K–12
200 students
Columbus, OH
B+Overall grade200 students11 students per teacher
#20 Largest Private Schools in Columbus, OH
St. Agatha School
Diocesan school · Grades Pre-K–8
185 students
Columbus, OH
B+Overall grade185 students14 students per teacher
#21 Largest Private Schools in Columbus, OH
Helping Hands Center DBA Bridgeway Academy
Special education school · Grades Pre-K–12
172 students
Columbus, OH
A+Overall grade172 students2 students per teacher
#22 Largest Private Schools in Columbus, OH
Sonshine Christian Academy
Christian school (nondenominational) · Grades Pre-K–9
170 students
Columbus, OH
BOverall grade170 students11 students per teacher
#23 Largest Private Schools in Columbus, OH
Columbus Montessori Education Center
Montessori school · Grades Pre-K–6
148 students
Columbus, OH
A+Overall grade148 students7 students per teacher
#24 Largest Private Schools in Columbus, OH
Columbus Adventist Academy
Seventh-day Adventist school · Grades K–8
142 students
Columbus, OH
BOverall grade142 students16 students per teacher
From official public records, updated October 2026.