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Stillwater Christian School Top 3 路 Highest Avg. ACT Score (MT)

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Home > Montana > Average Student Size

Largest Montana 草榴社区 High Schools

The average private high school in Montana has 133 students (2026-27).

The largest private high school in Montana is Billings Catholic Schools, with 1,116 students.

Quick Facts (2026-27)

# MT Schools Ranked: 46
Top 20 Range (Students): 89鈥�1,116
MT School Avg.: 133
National School Avg.: 244

Quick Facts (2026-27)

# MT Schools Ranked: 46
Top 20 Range (Students): 89鈥�1,116
MT School Avg.: 133
National School Avg.: 244

Montana Average Students Per School (Trends)

View Data

Year	Montana (MT) avg
2025	131
2024	109
2023	120
2022	125
2021	117
2020	111
2019	117
2018	116
2017	117
2016	120
2015	108

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Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Show school map 鈥� Montana (students range: 89鈥�1,116, avg 133)

School Size Range: 32 1,116 Avg. School Size: 170

Frequently Asked Questions

What is the Montana average private high schools student size?

The Montana average private high schools student size is 133 for 2026-27.

What are the private high schools with the largest student size in Montana?

The top ranked private high schools in Montana include Billings Catholic Schools, Stillwater Christian School and Billings Christian School.

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