American School
Alternative school · Grades 6–12
The only independent school in Lansing
Lansing, IL
B-Overall grade5,049 students
High schools in Illinois
Schools that teach through 12th grade. 257 schools listed.
Largest high schools
Loyola Academy
Independent Catholic school · Grades 9–12
The largest of 344 Catholic schools in Illinois
Wilmette, IL
A+Overall grade1,947 students11 students per teacher
Univ of Chicago Lab School
Independent school · Grades Pre-K–12
One of the 3 largest independent schools in Illinois
Chicago, IL
A+Overall grade1,946 students8 students per teacher
St. Ignatius College Prep
Independent Catholic school · Grades 9–12
One of the 3 largest Catholic schools in Illinois
Chicago, IL
B+Overall grade1,492 students16 students per teacher
Depaul College Prep
Independent Catholic school · Grades 9–12
One of the 3 largest Catholic schools in Illinois
Chicago, IL
A+Overall grade1,245 students11 students per teacher
Timothy Christian Schools
Christian school (nondenominational) · Grades Pre-K–12
The largest of 231 Christian schools in Illinois
Elmhurst, IL
B+Overall grade1,194 students18 students per teacher
St. Laurence H.S.
Independent Catholic school · Grades 9–12
Growing: enrollment up 72% since 2011–12
Burbank, IL
B+Overall grade1,030 students16 students per teacher
Fenwick High School
Parish school · Grades 9–12
The largest Catholic school in Oak Park
Oak Park, IL
A+Overall grade1,024 students12 students per teacher
Bishop McNamara Catholic School
Diocesan school · Grades Pre-K–12
The only Catholic school in Kankakee
Kankakee, IL
B-Overall grade807 students16 students per teacher
Latin School of Chicago Upper
Independent school · Grades 5–12
One of the 3 largest independent schools in Illinois
Chicago, IL
BOverall grade806 students11 students per teacher
Schaumburg Christian School
Baptist school · Grades Pre-K–12
One of the 3 largest Christian schools in Illinois
Schaumburg, IL
BOverall grade804 students17 students per teacher
Nazareth Academy
Independent Catholic school · Grades 9–12
99% of graduates go to four-year colleges
La Grange Park, IL
A-Overall grade800 students16 students per teacher
Marian Catholic High School
Independent Catholic school · Grades 8–12
85% of graduates go to four-year colleges
Chicago Heights, IL
B+Overall grade797 students15 students per teacher
Mother McAuley Liberal Arts High School
Independent Catholic school · Grades 9–12
92% of graduates go to four-year colleges
Chicago, IL
AOverall gradeAll girls794 students13 students per teacher
De La Salle Institute - Institute Campus
Independent Catholic school · Grades 9–12
88% of graduates go to four-year colleges
Chicago, IL
A-Overall grade765 students16 students per teacher
MCC Academy-Elementary
Islamic school · Grades Pre-K–12
The largest of 33 private schools in Illinois
Skokie, IL
B+Overall grade760 students9 students per teacher
Universal School
Islamic school · Grades Pre-K–12
One of the 3 largest private schools in Illinois
Bridgeview, IL
BOverall grade757 students14 students per teacher
Southwest Chicago Christian Schools Associaiton
Christian school (nondenominational) · Grades Pre-K–12
The only Christian school in Palos Heights
Palos Heights, IL
BOverall grade756 students14 students per teacher
Providence Catholic High School
Diocesan school · Grades 9–12
Serving families in New Lenox since at least 2011
New Lenox, IL
B-Overall grade754 students17 students per teacher
MCC Academy College Prep
Islamic school · Grades Pre-K–12
One of the 3 largest private schools in Illinois
Morton Grove, IL
B+Overall grade736 students9 students per teacher
St. Francis High School
Independent Catholic school · Grades 9–12
The only Catholic school in Wheaton
Wheaton, IL
AOverall grade703 students13 students per teacher
Rockford Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–12
The largest Christian school in Rockford
Rockford, IL
BOverall grade695 students13 students per teacher
Lycee Francais De Chicago
Independent school · Grades Pre-K–12
98% of graduates go to four-year colleges
Chicago, IL
A+Overall grade687 students6 students per teacher
BR Rice High School
Independent Catholic school · Grades 9–12
Serving families in Chicago since at least 2011
Chicago, IL
BOverall gradeAll boys658 students16 students per teacher
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