#1 Largest Private Schools in Arlington Heights, IL
Christian Liberty Academy
Calvinist school · Grades Pre-K–12
561 students
Arlington Heights, IL
B-Overall grade561 students22 students per teacher
2026 lists
Largest Private Schools in Arlington Heights, IL
The private schools in Arlington Heights, IL with the most students. Top 8 of 8 schools.
#2 Largest Private Schools in Arlington Heights, IL
St. James School
Diocesan school · Grades Pre-K–8
540 students
Arlington Heights, IL
B-Overall grade540 students16 students per teacher
#3 Largest Private Schools in Arlington Heights, IL
Our Lady of the Wayside School
Diocesan school · Grades Pre-K–8
280 students
Arlington Heights, IL
B+Overall grade280 students12 students per teacher
#4 Largest Private Schools in Arlington Heights, IL
St. Peter Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
249 students
Arlington Heights, IL
B-Overall grade249 students16 students per teacher
#5 Largest Private Schools in Arlington Heights, IL
Newhope Academy
Special education school · Grades 6–12
120 students
Arlington Heights, IL
A+Overall grade120 students2 students per teacher
#6 Largest Private Schools in Arlington Heights, IL
Chicago Futabakai Japanese School
Independent school · Grades Pre-K–9
111 students
Arlington Heights, IL
B+Overall grade111 students5 students per teacher
#7 Largest Private Schools in Arlington Heights, IL
Metropolitan Preparatory Schools
Special education school · Grades 1–12
79 students
Arlington Heights, IL
A+Overall grade79 students4 students per teacher
#8 Largest Private Schools in Arlington Heights, IL
A Mother's Touch Creative Learning Center
Early childhood program · Grades Pre-K–K
26 students
Arlington Heights, IL
B+Overall grade26 students19 students per teacher
From official public records, updated October 2026.