#1 Largest Private Schools in Mahoning County, OH
Ursuline High School
Diocesan school · Grades 9–12
522 students
Youngstown, OH
A+Overall grade522 students13 students per teacher
2026 lists
Largest Private Schools in Mahoning County, OH
The private schools in Mahoning County, OH with the most students. Top 17 of 17 schools.
#2 Largest Private Schools in Mahoning County, OH
St. Christine School
Diocesan school · Grades Pre-K–8
329 students
Youngstown, OH
B+Overall grade329 students11 students per teacher
#3 Largest Private Schools in Mahoning County, OH
St. Christine Elementary School
Parish school · Grades K–8
328 students
Youngstown, OH
AOverall grade328 students13 students per teacher
#4 Largest Private Schools in Mahoning County, OH
St. Charles Elementary School
Diocesan school · Grades K–8
264 students
Youngstown, OH
BOverall grade264 students14 students per teacher
#5 Largest Private Schools in Mahoning County, OH
St. Charles Elementary School
Diocesan school · Grades K–8
264 students
Boardman, OH
B-Overall grade264 students15 students per teacher
#6 Largest Private Schools in Mahoning County, OH
Holy Family Elementary School
Diocesan school · Grades K–8
246 students
Youngstown, OH
B+Overall grade246 students12 students per teacher
#7 Largest Private Schools in Mahoning County, OH
Potential Development Program School of Autism
Special education school · Grades K–12
231 students
Youngstown, OH
B-Overall grade231 students7 students per teacher
#8 Largest Private Schools in Mahoning County, OH
St. Joseph the Provider School
Diocesan school · Grades K–8
169 students
Youngstown, OH
AOverall grade169 students13 students per teacher
#9 Largest Private Schools in Mahoning County, OH
Akiva Academy
Jewish day school · Grades K–8
158 students
Youngstown, OH
A+Overall grade158 students9 students per teacher
#10 Largest Private Schools in Mahoning County, OH
St. Nicholas School
Diocesan school · Grades K–8
154 students
Struthers, OH
A+Overall grade154 students14 students per teacher
#11 Largest Private Schools in Mahoning County, OH
St. Nicholas Elem School
Parish school · Grades K–8
154 students
Struthers, OH
B+Overall grade154 students13 students per teacher
#12 Largest Private Schools in Mahoning County, OH
The Montessori School of the Mahoning Valley
Montessori school · Grades Pre-K–8
96 students
Youngstown, OH
B+Overall grade96 students10 students per teacher
#13 Largest Private Schools in Mahoning County, OH
Acld School
Special education school · Grades 1–8
60 students
Youngstown, OH
A-Overall grade60 students7 students per teacher
#14 Largest Private Schools in Mahoning County, OH
Islamic Academy of Youngstown
Islamic school · Grades K–8
60 students
Youngstown, OH
B+Overall grade60 students6 students per teacher
#15 Largest Private Schools in Mahoning County, OH
Valley Christian School - The Lewis Center
Christian school (nondenominational) · Grades 3–8
59 students
Youngstown, OH
AOverall grade59 students8 students per teacher
#16 Largest Private Schools in Mahoning County, OH
Shepherd of All Gods Children
Special education school · Grades 1–12
44 students
Youngstown, OH
BOverall grade44 students11 students per teacher
#17 Largest Private Schools in Mahoning County, OH
The Child Care and Learning Center of New Middleto
Montessori school · Grades Pre-K–4
27 students
New Middletown, OH
B+Overall grade27 students27 students per teacher
From official public records, updated October 2026.