#25 Private Schools with the Smallest Classes in Dupage County, IL
Wheaton Montessori School
Montessori school · Grades Pre-K–9
11.9 students per teacher
Wheaton, IL
B+Overall grade119 students12 students per teacher
2026 lists
Private Schools with the Smallest Classes in Dupage County, IL
Private schools in Dupage County, IL with the fewest students per teacher (not counting preschools and special education schools). Top 48 of 48 schools.
From official public records, updated October 2026.