#1 Best Private High Schools in Montana
Billings Central Catholic High School
Diocesan school · Grades 3–12
Smaller classes than 95% of Catholic schools nationwide
Billings, MT
A+Overall grade344 students5 students per teacher
2026 lists
Best Private High Schools in Montana
Private high schools in Montana with the highest overall grades. Top 11 of 11 schools.
#2 Best Private High Schools in Montana
Butte Central Catholic High School
Independent Catholic school · Grades 9–12
Smaller classes than 90% of Catholic schools nationwide
Butte, MT
A+Overall grade113 students7 students per teacher
#3 Best Private High Schools in Montana
Loyola Sacred Heart High School
Diocesan school · Grades 9–12
Smaller classes than 85% of Catholic schools nationwide
Missoula, MT
A+Overall grade143 students9 students per teacher
#4 Best Private High Schools in Montana
Billings Christian School
Christian school (nondenominational) · Grades Pre-K–12
The largest of 39 Christian schools in Montana
Billings, MT
A+Overall grade443 students8 students per teacher
#5 Best Private High Schools in Montana
St. Labre High School
Diocesan school · Grades 9–12
Smaller classes than 93% of Catholic schools nationwide
Ashland, MT
A-Overall grade112 students6 students per teacher
#6 Best Private High Schools in Montana
Stillwater Christian School
Christian school (nondenominational) · Grades Pre-K–12
One of the 3 largest Christian schools in Montana
Kalispell, MT
BOverall grade380 students11 students per teacher
#7 Best Private High Schools in Montana
St. Labre Schools
Independent Catholic school · Grades Pre-K–12
Smaller classes than 93% of Catholic schools nationwide
Ashland, MT
BOverall grade422 students5 students per teacher
#8 Best Private High Schools in Montana
Valley Christian School
Christian school (nondenominational) · Grades Pre-K–12
One of the 3 largest Christian schools in Montana
Missoula, MT
BOverall grade326 students11 students per teacher
#9 Best Private High Schools in Montana
Manhattan Christian School
Christian school (nondenominational) · Grades Pre-K–12
Among the top 10 in Montana for graduates going to four-year colleges
Manhattan, MT
B-Overall grade295 students11 students per teacher
#10 Best Private High Schools in Montana
Brightways Global Academy
Alternative school · Grades Pre-K–12
One of the 3 largest independent schools in Montana
Missoula, MT
B-Overall grade134 students
#11 Best Private High Schools in Montana
Butte Central Elementary School
Diocesan school · Grades Pre-K–12
One of the 3 largest Catholic schools in Montana
Butte, MT
B-Overall grade372 students13 students per teacher
Grades compare each school's official facts, such as class size, how long it has served families and where graduates go, with similar schools. They're a starting point: visit, ask questions and trust what you see.