#1 Largest Private Schools in the Midwest
American School
Alternative school · Grades 6–12
5,049 students
Lansing, IL
B-Overall grade5,049 students
2026 lists
Largest Private Schools in the Midwest
The private schools in the Midwest with the most students. Top 50 of 4,697 schools.
#2 Largest Private Schools in the Midwest
Greenways Academy
Alternative school · Grades 1–12
3,015 students
Saint Louis, MO
BOverall grade3,015 students
#3 Largest Private Schools in the Midwest
Seton Catholic Schools
Independent Catholic school · Grades Pre-K–8
2,624 students
Saint Francis, WI
BOverall grade2,624 students15 students per teacher
#4 Largest Private Schools in the Midwest
Excel High School
Independent school · Grades 6–12
2,300 students
Minnetonka, MN
B-Overall grade2,300 students
#5 Largest Private Schools in the Midwest
Ignite Christian Academy
Christian school (nondenominational) · Grades K–12
2,257 students
Rock Rapids, IA
B-Overall grade2,257 students
#6 Largest Private Schools in the Midwest
Sioux Falls Catholic School
Parish school · Grades Pre-K–12
2,231 students
Sioux Falls, SD
B-Overall grade2,231 students22 students per teacher
#7 Largest Private Schools in the Midwest
Green Bay Area Catholic Edu. INC Grace
Diocesan school · Grades Pre-K–11
2,001 students
Green Bay, WI
B+Overall grade2,001 students12 students per teacher
#8 Largest Private Schools in the Midwest
Green Bay Area Catholic Education
Diocesan school · Grades Pre-K–11
2,001 students
Green Bay, WI
B+Overall grade2,001 students12 students per teacher
#9 Largest Private Schools in the Midwest
Green Bay Area Catholic Education
Diocesan school · Grades Pre-K–11
2,001 students
Green Bay, WI
B+Overall grade2,001 students12 students per teacher
#10 Largest Private Schools in the Midwest
Loyola Academy
Independent Catholic school · Grades 9–12
1,947 students
Wilmette, IL
A+Overall grade1,947 students11 students per teacher
#11 Largest Private Schools in the Midwest
Univ of Chicago Lab School
Independent school · Grades Pre-K–12
1,946 students
Chicago, IL
A+Overall grade1,946 students8 students per teacher
#12 Largest Private Schools in the Midwest
St. Augustine Preparatory Academy
Christian school (nondenominational) · Grades Pre-K–12
1,759 students
Milwaukee, WI
B-Overall grade1,759 students15 students per teacher
#13 Largest Private Schools in the Midwest
Holy Family Catholic Schools
Parish school · Grades Pre-K–12
1,649 students
Dubuque, IA
B-Overall grade1,649 students14 students per teacher
#14 Largest Private Schools in the Midwest
Bishop Heelan Catholic Schools
Parish school · Grades Pre-K–12
1,510 students
Sioux City, IA
BOverall grade1,510 students13 students per teacher
#15 Largest Private Schools in the Midwest
St. Ignatius College Prep
Independent Catholic school · Grades 9–12
1,492 students
Chicago, IL
B+Overall grade1,492 students16 students per teacher
#16 Largest Private Schools in the Midwest
Heritage Christian School
Christian school (nondenominational) · Grades Pre-K–12
1,476 students
Indianapolis, IN
A-Overall grade1,476 students12 students per teacher
#17 Largest Private Schools in the Midwest
St. Anthony School
Parish school · Grades Pre-K–12
1,436 students
Milwaukee, WI
B-Overall grade1,436 students17 students per teacher
#18 Largest Private Schools in the Midwest
Siena Catholic Schools of Racine
Diocesan school · Grades Pre-K–12
1,435 students
Racine, WI
BOverall grade1,435 students13 students per teacher
#19 Largest Private Schools in the Midwest
Sioux Falls Christian Schools
Christian school (nondenominational) · Grades Pre-K–12
1,382 students
Sioux Falls, SD
B-Overall grade1,382 students17 students per teacher
#20 Largest Private Schools in the Midwest
Dowling Catholic High School
Diocesan school · Grades 9–12
1,354 students
West Des Moines, IA
A-Overall grade1,354 students15 students per teacher
#21 Largest Private Schools in the Midwest
Light of Christ Catholic Schools
Diocesan school · Grades Pre-K–12
1,314 students
Bismarck, ND
B-Overall grade1,314 students15 students per teacher
#22 Largest Private Schools in the Midwest
Divine Child High School
Diocesan school · Grades K–12
1,293 students
Dearborn, MI
B+Overall grade1,293 students11 students per teacher
#23 Largest Private Schools in the Midwest
Blake School
Independent school · Grades K–12
1,287 students
Minneapolis, MN
BOverall grade1,287 students11 students per teacher
#24 Largest Private Schools in the Midwest
The Blake School
Independent school · Grades Pre-K–12
1,287 students
Hopkins, MN
AOverall grade1,287 students9 students per teacher
From official public records, updated October 2026.