#1 Private Schools with the Smallest Classes in Missouri
The St. Michael School of Clayton
Episcopal school · Grades Pre-K–8
3.2 students per teacher
Saint Louis, MO
A+Overall grade71 students3 students per teacher
2026 lists
Private Schools with the Smallest Classes in Missouri
Private schools in Missouri with the fewest students per teacher (not counting preschools and special education schools). Top 50 of 357 schools.
#2 Private Schools with the Smallest Classes in Missouri
Rohan Woods School
Independent school · Grades Pre-K–6
3.4 students per teacher
Saint Louis, MO
A+Overall grade68 students3 students per teacher
#3 Private Schools with the Smallest Classes in Missouri
Torah Prep School of St. Louis
Jewish day school · Grades Pre-K–8
3.5 students per teacher
Saint Louis, MO
B+Overall grade227 students4 students per teacher
#4 Private Schools with the Smallest Classes in Missouri
H.F. Epstein Hebrew Academy
Jewish day school · Grades Pre-K–12
3.5 students per teacher
Saint Louis, MO
A-Overall grade109 students4 students per teacher
#5 Private Schools with the Smallest Classes in Missouri
McAuley Catholic High School
Diocesan school · Grades 9–12
3.7 students per teacher
Joplin, MO
A+Overall grade56 students4 students per teacher
#6 Private Schools with the Smallest Classes in Missouri
Villa Duchesne School
Independent Catholic school · Grades Pre-K–12
3.8 students per teacher
Saint Louis, MO
A+Overall grade459 students4 students per teacher
#7 Private Schools with the Smallest Classes in Missouri
Islamic School of Columbia-Missouri
Islamic school · Grades Pre-K–5
3.9 students per teacher
Columbia, MO
AOverall grade51 students4 students per teacher
#8 Private Schools with the Smallest Classes in Missouri
Thomas Jefferson School
Independent school · Grades 7–12
4 students per teacher
Saint Louis, MO
A+Overall grade74 students4 students per teacher
#9 Private Schools with the Smallest Classes in Missouri
Heritage Academy
Christian school (nondenominational) · Grades Pre-K–12
4 students per teacher
Columbia, MO
AOverall grade74 students4 students per teacher
#10 Private Schools with the Smallest Classes in Missouri
The Waldorf School of St. Louis
Independent school · Grades Pre-K–8
4 students per teacher
Saint Louis, MO
AOverall grade56 students4 students per teacher
#11 Private Schools with the Smallest Classes in Missouri
St. Peters Middle School
Diocesan school · Grades 6–8
4 students per teacher
Joplin, MO
A+Overall grade53 students4 students per teacher
#12 Private Schools with the Smallest Classes in Missouri
Kingdom Christian Academy of Calaway County
Christian school (nondenominational) · Grades Pre-K–8
4.3 students per teacher
Fulton, MO
AOverall grade57 students4 students per teacher
#13 Private Schools with the Smallest Classes in Missouri
Heartland Christian Academy
Christian school (nondenominational) · Grades Pre-K–12
4.5 students per teacher
Bethel, MO
A+Overall grade88 students5 students per teacher
#14 Private Schools with the Smallest Classes in Missouri
Andrews Academy
Independent school · Grades K–8
4.7 students per teacher
Lake Saint Louis, MO
B+Overall grade123 students5 students per teacher
#15 Private Schools with the Smallest Classes in Missouri
Martin Luther School
Lutheran (Missouri Synod) school · Grades Pre-K–7
4.7 students per teacher
Joplin, MO
A+Overall grade52 students5 students per teacher
#16 Private Schools with the Smallest Classes in Missouri
Applewood Christian School
Christian school (nondenominational) · Grades K–12
4.8 students per teacher
Sedalia, MO
AOverall grade52 students5 students per teacher
#17 Private Schools with the Smallest Classes in Missouri
Academy Montessori Internationale
Montessori school · Grades Pre-K–5
5.1 students per teacher
Kansas City, MO
AOverall grade58 students5 students per teacher
#18 Private Schools with the Smallest Classes in Missouri
Grace Christian Academy
Christian school (nondenominational) · Grades K–8
5.3 students per teacher
Florissant, MO
A+Overall grade54 students5 students per teacher
#19 Private Schools with the Smallest Classes in Missouri
City Academy
Independent school · Grades Pre-K–6
5.4 students per teacher
Saint Louis, MO
B+Overall grade182 students5 students per teacher
#20 Private Schools with the Smallest Classes in Missouri
Northern Hills Christian Academy
Baptist school · Grades K–12
5.4 students per teacher
Holt, MO
AOverall grade97 students5 students per teacher
#21 Private Schools with the Smallest Classes in Missouri
The Plaza Academy
Alternative school · Grades 8–12
5.4 students per teacher
Kansas City, MO
B+Overall grade46 students5 students per teacher
#22 Private Schools with the Smallest Classes in Missouri
Clinton Christian Academy
Christian school (nondenominational) · Grades K–12
5.5 students per teacher
Clinton, MO
A+Overall grade162 students6 students per teacher
#23 Private Schools with the Smallest Classes in Missouri
Kansas City Academy
Independent school · Grades 6–12
5.5 students per teacher
Kansas City, MO
B+Overall grade77 students6 students per teacher
#24 Private Schools with the Smallest Classes in Missouri
The Christian Academy
Christian school (nondenominational) · Grades Pre-K–11
5.5 students per teacher
Sikeston, MO
A-Overall grade72 students6 students per teacher
From official public records, updated October 2026.