#1 Private Schools with the Smallest Classes in Missoula, MT
Aspire High School
Independent school · Grades K–12
7 students per teacher
Missoula, MT
B+Overall grade43 students7 students per teacher
2026 lists
Private Schools with the Smallest Classes in Missoula, MT
Private schools in Missoula, MT with the fewest students per teacher (not counting preschools and special education schools). Top 7 of 7 schools.
#2 Private Schools with the Smallest Classes in Missoula, MT
Sussex School
Independent school · Grades K–8
7.6 students per teacher
Missoula, MT
B+Overall grade125 students8 students per teacher
#3 Private Schools with the Smallest Classes in Missoula, MT
Loyola Sacred Heart High School
Diocesan school · Grades 9–12
8.5 students per teacher
Missoula, MT
A+Overall grade143 students9 students per teacher
#4 Private Schools with the Smallest Classes in Missoula, MT
Missoula International School
Independent school · Grades Pre-K–8
8.9 students per teacher
Missoula, MT
B+Overall grade150 students9 students per teacher
#5 Private Schools with the Smallest Classes in Missoula, MT
Valley Christian School
Christian school (nondenominational) · Grades Pre-K–12
10.9 students per teacher
Missoula, MT
BOverall grade326 students11 students per teacher
#6 Private Schools with the Smallest Classes in Missoula, MT
St. Joseph School
Diocesan school · Grades Pre-K–8
12.4 students per teacher
Missoula, MT
B+Overall grade283 students12 students per teacher
#7 Private Schools with the Smallest Classes in Missoula, MT
Brightways Global Academy
Alternative school · Grades Pre-K–12
53.6 students per teacher
Missoula, MT
B-Overall grade134 students
From official public records, updated October 2026.