#1 Private Schools with the Smallest Classes in Chesterfield, MO
The Fulton School
Montessori school · Grades Pre-K–12
6.8 students per teacher
Chesterfield, MO
B+Overall grade102 students7 students per teacher
2026 lists
Private Schools with the Smallest Classes in Chesterfield, MO
Private schools in Chesterfield, MO with the fewest students per teacher (not counting preschools and special education schools). Top 6 of 6 schools.
#2 Private Schools with the Smallest Classes in Chesterfield, MO
Missouri Torah Institute
Jewish day school · Grades 9–12
7.4 students per teacher
Chesterfield, MO
BOverall gradeAll boys73 students7 students per teacher
#3 Private Schools with the Smallest Classes in Chesterfield, MO
Eyc Academy
Alternative school · Grades 3–12
7.7 students per teacher
Chesterfield, MO
AOverall grade56 students8 students per teacher
#4 Private Schools with the Smallest Classes in Chesterfield, MO
Chesterfield Montessori School
Montessori school · Grades K–6
8 students per teacher
Chesterfield, MO
B+Overall grade48 students8 students per teacher
#5 Private Schools with the Smallest Classes in Chesterfield, MO
Ascension School
Parish school · Grades K–8
15.2 students per teacher
Chesterfield, MO
BOverall grade412 students15 students per teacher
#6 Private Schools with the Smallest Classes in Chesterfield, MO
Incarnate Word Parish School
Parish school · Grades K–8
18 students per teacher
Chesterfield, MO
B-Overall grade448 students18 students per teacher
From official public records, updated October 2026.