#1 Best Private Schools in Missoula County, MT
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
2026 lists
Best Private Schools in Missoula County, MT
Private schools in Missoula County, MT with the highest overall grades. Top 6 of 6 schools.
#2 Best Private Schools in Missoula County, MT
Sussex School
Independent school · Grades K–8
Small classes: about 8 students per teacher
Missoula, MT
B+Overall grade125 students8 students per teacher
#3 Best Private Schools in Missoula County, MT
Missoula International School
Independent school · Grades Pre-K–8
One of the 3 largest independent schools in Montana
Missoula, MT
B+Overall grade150 students9 students per teacher
#4 Best Private Schools in Missoula County, MT
St. Joseph School
Diocesan school · Grades Pre-K–8
Serving families in Missoula since at least 2011
Missoula, MT
B+Overall grade283 students12 students per teacher
#5 Best Private Schools in Missoula County, MT
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
#6 Best Private Schools in Missoula County, MT
Brightways Global Academy
Alternative school · Grades Pre-K–12
One of the 3 largest independent schools in Montana
Missoula, MT
B-Overall grade134 students
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.