#1 Largest Private Schools in Flathead County, MT
Stillwater Christian School
Christian school (nondenominational) · Grades Pre-K–12
380 students
Kalispell, MT
BOverall grade380 students11 students per teacher
2026 lists
Largest Private Schools in Flathead County, MT
The private schools in Flathead County, MT with the most students. Top 6 of 6 schools.
#2 Largest Private Schools in Flathead County, MT
Trinity Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
219 students
Kalispell, MT
B-Overall grade219 students15 students per teacher
#3 Largest Private Schools in Flathead County, MT
St. Matthew's School
Parish school · Grades Pre-K–8
177 students
Kalispell, MT
AOverall grade177 students9 students per teacher
#4 Largest Private Schools in Flathead County, MT
Whitefish Christian Academy
Christian school (nondenominational) · Grades Pre-K–8
116 students
Whitefish, MT
AOverall grade116 students7 students per teacher
#5 Largest Private Schools in Flathead County, MT
Kalispell Montessori Center
Montessori school · Grades 1–6
91 students
Kalispell, MT
BOverall grade91 students9 students per teacher
#6 Largest Private Schools in Flathead County, MT
Woodland Montessori School
Montessori school · Grades Pre-K–K
20 students
Kalispell, MT
A-Overall grade20 students5 students per teacher
From official public records, updated October 2026.