#1 Largest Private Schools in Elmhurst, IL
Timothy Christian Schools
Christian school (nondenominational) · Grades Pre-K–12
1,194 students
Elmhurst, IL
B+Overall grade1,194 students18 students per teacher
2026 lists
Largest Private Schools in Elmhurst, IL
The private schools in Elmhurst, IL with the most students. Top 5 of 5 schools.
#2 Largest Private Schools in Elmhurst, IL
Immaculate Conception Grade School
Diocesan school · Grades Pre-K–8
468 students
Elmhurst, IL
B-Overall grade468 students18 students per teacher
#3 Largest Private Schools in Elmhurst, IL
Ic Catholic Prep
Diocesan school · Grades 9–12
371 students
Elmhurst, IL
A+Overall grade371 students9 students per teacher
#4 Largest Private Schools in Elmhurst, IL
Immanuel Lutheran
Lutheran (Missouri Synod) school · Grades Pre-K–8
75 students
Elmhurst, IL
B+Overall grade75 students10 students per teacher
#5 Largest Private Schools in Elmhurst, IL
Pythagoras Childrens Academy
Greek Orthodox school · Grades Pre-K–4
31 students
Elmhurst, IL
AOverall grade31 students8 students per teacher
From official public records, updated October 2026.