#1 Largest Private Schools in Palatine, IL
St. Theresa Elementary School
Parish school · Grades Pre-K–8
351 students
Palatine, IL
A-Overall grade351 students11 students per teacher
2026 lists
Largest Private Schools in Palatine, IL
The private schools in Palatine, IL with the most students. Top 5 of 5 schools.
#2 Largest Private Schools in Palatine, IL
Quest Academy
Independent school · Grades Pre-K–8
237 students
Palatine, IL
A+Overall grade237 students7 students per teacher
#3 Largest Private Schools in Palatine, IL
St. Thomas of Villanova School
Parish school · Grades Pre-K–8
165 students
Palatine, IL
A+Overall grade165 students11 students per teacher
#4 Largest Private Schools in Palatine, IL
Immanuel Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
141 students
Palatine, IL
AOverall grade141 students9 students per teacher
#5 Largest Private Schools in Palatine, IL
South Campus
Special education school · Grades 1–12
90 students
Palatine, IL
A-Overall grade90 students9 students per teacher
From official public records, updated October 2026.