#25 Largest Private Schools in Lake County, IL
St. John Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
71 students
Libertyville, IL
A-Overall grade71 students11 students per teacher
2026 lists
Largest Private Schools in Lake County, IL
The private schools in Lake County, IL with the most students. Top 38 of 38 schools.
From official public records, updated October 2026.