#1 Private Schools with the Smallest Classes in Billings, MT
Sunrise Montessori School
Montessori school · Grades Pre-K–6
4 students per teacher
Billings, MT
AOverall grade51 students4 students per teacher
2026 lists
Private Schools with the Smallest Classes in Billings, MT
Private schools in Billings, MT with the fewest students per teacher (not counting preschools and special education schools). Top 8 of 8 schools.
#2 Private Schools with the Smallest Classes in Billings, MT
Billings Central Catholic High School
Diocesan school · Grades 3–12
4.9 students per teacher
Billings, MT
A+Overall grade344 students5 students per teacher
#3 Private Schools with the Smallest Classes in Billings, MT
Billings Christian School
Christian school (nondenominational) · Grades Pre-K–12
7.9 students per teacher
Billings, MT
A+Overall grade443 students8 students per teacher
#4 Private Schools with the Smallest Classes in Billings, MT
Grace Montessori Academy
Christian (nondenominational) · Montessori · Grades Pre-K–8
8.6 students per teacher
Billings, MT
BOverall grade91 students9 students per teacher
#5 Private Schools with the Smallest Classes in Billings, MT
St. Francis Catholic School
Diocesan school · Grades K–8
13.1 students per teacher
Billings, MT
B-Overall grade603 students13 students per teacher
#6 Private Schools with the Smallest Classes in Billings, MT
Trinity Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
20.9 students per teacher
Billings, MT
B-Overall grade219 students21 students per teacher
#7 Private Schools with the Smallest Classes in Billings, MT
New Day School
Alternative school · Grades 6–12
21 students per teacher
Billings, MT
B+Overall grade42 students21 students per teacher
#8 Private Schools with the Smallest Classes in Billings, MT
New Day
Independent school · Grades 5–12
28.5 students per teacher
Billings, MT
B+Overall grade57 students29 students per teacher
From official public records, updated October 2026.