The Colorado Springs School Top 9 · Highest Avg. SAT Score (CO)

Colorado Academy Top 3 · Highest Avg. SAT Score (CO)

Fountain Valley School of Colorado Top 3 · Largest Endowment (CO)

Home > Colorado > Average Student Size

Largest Colorado Private High Schools

The average private high school in Colorado has 232 students (2026-27).

The largest private high school in Colorado is Regis Jesuit High School, with 1,630 students.

Quick Facts (2026-27)

# CO Schools Ranked: 121
Top 20 Range (Students): 465–1,630
CO School Avg.: 232
National School Avg.: 243

Quick Facts (2026-27)

# CO Schools Ranked: 121
Top 20 Range (Students): 465–1,630
CO School Avg.: 232
National School Avg.: 243

Colorado Average Students Per School (Trends)

View Data

Year	Colorado (CO) avg
2025	233
2024	222
2023	223
2022	229
2021	223
2020	212
2019	207
2018	209
2017	208
2016	201
2015	176

Download Table: Download as CSV | Download as XML | Download as JSON

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 — Colorado (students range: 465–1,630, avg 232)

School Size Range: 250 1,630 Avg. School Size: 613

Frequently Asked Questions

What is the Colorado average private high schools student size?

The Colorado average private high schools student size is 232 for 2026-27.

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

The top ranked private high schools in Colorado include Regis Jesuit High School, Resurrection Christian School and Valor Christian High School.

Recent Articles

September 01, 2026

How Much Homework Is Too Much?

Learn how to compare private school homework expectations, recognize excessive workloads, evaluate assignment quality, and ask better questions about academic balance before choosing a school for your child.

September 01, 2026

Learning Support Without a Formal Program

Learn what private schools mean by informal learning support, how services differ from formal programs, and which questions families should ask before choosing the right school today.

September 01, 2026

Beyond AP vs. IB: How to Judge Academic Rigor

Learn how to judge academic rigor at private schools without AP or IB by examining curriculum depth, assessments, faculty expectations, advanced coursework, student work, and college preparation outcomes.