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Home > District Of Columbia > Average Student Size

Largest District Of Columbia Private Schools

Name: District Of Columbia Average Students Per School Trends (All Private Schools)
Creator: Private School Review
License: https://www.privateschoolreview.com/terms

The average private school in District Of Columbia has 208 students (2026-27).

The largest private school in District Of Columbia is St. Johns College High School, with 1,279 students.

Quick Facts (26-27)

# DC Schools Ranked: 92
Top 20 Range (Students): 291–1,279
DC School Avg.: 208
National School Avg.: 175

Quick Facts (26-27)

# DC Schools Ranked: 92
Top 20 Range (Students): 291–1,279
DC School Avg.: 208
National School Avg.: 175

District Of Columbia Average Students Per School (Trends)

Total Growth: +1.0% (+2 since 2015)

View Data

Year	National avg	District Of Columbia (DC) avg	YoY Change (#)	YoY Change (%)
2025	179	206	▲ +10	▲ +5.1%
2024	172	196	▼ -13	▼ -6.2%
2023	174	209	▼ -15	▼ -6.7%
2022	185	224	▲ +4	▲ +1.8%
2021	180	220	▲ +16	▲ +7.8%
2020	171	204	▲ +2	▲ +1.0%
2019	175	202	▲ +10	▲ +5.2%
2018	172	192	▼ -15	▼ -7.2%
2017	180	207	— 0	— 0.0%
2016	178	207	▲ +3	▲ +1.5%
2015	167	204	—	—

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Source: National Center for Education Statistics (NCES) Private School Universe Survey (PSS), direct school submissions, and proprietary website research and analysis by Private School Review.

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 — District Of Columbia (students range: 291–1,279, avg 208)

School Size Range: 168 1,279 Avg. School Size: 432

Frequently Asked Questions

What is the District Of Columbia average private schools student size?

The District Of Columbia average private schools student size is 208 for 2026-27.

What are the private schools with the largest student size in District Of Columbia?

The top ranked private schools in District Of Columbia include St. Johns College High School, Sidwell Friends School and Georgetown Day School.

What is private high school and private elementary school with the largest student size in District Of Columbia?

The private high school with the largest student size in District Of Columbia is St. Johns College High School, with a value of 1279. The private elementary school with the largest student size is Sidwell Friends School, with a value of 1135.

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