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Cole Valley Christian High School Top 3 路 Most AP Courses (ID)

Nampa Christian Schools Top 5 路 Lowest Acceptance Rate (ID)

Bishop Kelly High School Top 3 路 Largest Endowment (ID)

Home > Idaho > Average Student Size

Largest Idaho 草榴社区 High Schools

The average private high school in Idaho has 225 students (2026-27).

The largest private high school in Idaho is Cole Valley Christian High School, with 1,517 students.

Quick Facts (2026-27)

# ID Schools Ranked: 54
Top 20 Range (Students): 181鈥�1,517
ID School Avg.: 225
National School Avg.: 244

Quick Facts (2026-27)

# ID Schools Ranked: 54
Top 20 Range (Students): 181鈥�1,517
ID School Avg.: 225
National School Avg.: 244

Idaho Average Students Per School (Trends)

View Data

Year	Idaho (ID) avg
2025	222
2024	210
2023	195
2022	193
2021	188
2020	156
2019	153
2018	149
2017	152
2016	150
2015	140

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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� Idaho (students range: 181鈥�1,517, avg 225)

School Size Range: 44 1,517 Avg. School Size: 335

Frequently Asked Questions

What is the Idaho average private high schools student size?

The Idaho average private high schools student size is 225 for 2026-27.

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

The top ranked private high schools in Idaho include Cole Valley Christian High School, Nampa Christian Schools and Bishop Kelly High School.

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