#1 Private Schools with the Smallest Classes in Decatur, GA
St. Peter Claver Regional Catholic School
Diocesan school · Grades K–8
2.6 students per teacher
Decatur, GA
A+Overall grade131 students3 students per teacher
2026 lists
Private Schools with the Smallest Classes in Decatur, GA
Private schools in Decatur, GA with the fewest students per teacher (not counting preschools and special education schools). Top 10 of 10 schools.
#2 Private Schools with the Smallest Classes in Decatur, GA
The Friends School of Atlanta
Quaker (Friends) school · Grades Pre-K–8
3.9 students per teacher
Decatur, GA
A+Overall grade152 students4 students per teacher
#3 Private Schools with the Smallest Classes in Decatur, GA
Hess Academy
Independent school · Grades Pre-K–8
4.2 students per teacher
Decatur, GA
A+Overall grade79 students4 students per teacher
#4 Private Schools with the Smallest Classes in Decatur, GA
The Waldorf School of Atlanta
Independent school · Grades Pre-K–8
5.3 students per teacher
Decatur, GA
A+Overall grade192 students5 students per teacher
#5 Private Schools with the Smallest Classes in Decatur, GA
Greenforest McCalep Christian Academy
Baptist school · Grades Pre-K–12
5.6 students per teacher
Decatur, GA
AOverall grade92 students6 students per teacher
#6 Private Schools with the Smallest Classes in Decatur, GA
Cambridge Academy
Independent school · Grades Pre-K–5
9 students per teacher
Decatur, GA
B+Overall grade45 students9 students per teacher
#7 Private Schools with the Smallest Classes in Decatur, GA
Arbor Montessori School
Montessori school · Grades Pre-K–8
9.3 students per teacher
Decatur, GA
B+Overall grade158 students9 students per teacher
#8 Private Schools with the Smallest Classes in Decatur, GA
Montessori School at Emory
Montessori school · Grades Pre-K–8
9.6 students per teacher
Decatur, GA
BOverall grade85 students10 students per teacher
#9 Private Schools with the Smallest Classes in Decatur, GA
Academe of the Oaks
Independent school · Grades 9–12
10 students per teacher
Decatur, GA
B+Overall grade80 students10 students per teacher
#10 Private Schools with the Smallest Classes in Decatur, GA
St. Thomas More Catholic School
Parish school · Grades Pre-K–8
12.5 students per teacher
Decatur, GA
B+Overall grade430 students13 students per teacher
From official public records, updated October 2026.