Renbrook School Top 13 · Largest Endowment (CT)

Rectory School Top 21 · Largest Endowment (CT)

King School Top 11 · Most AP Courses (CT)

Home > Connecticut > Average Student Size

Largest Connecticut Private Elementary Schools

The average private elementary school in Connecticut has 170 students (2026-27).

The largest private elementary school in Connecticut is The Greenwich Country Day School, with 1,345 students.

Quick Facts (2026-27)

# CT Schools Ranked: 263
Top 20 Range (Students): 421–1,345
CT School Avg.: 170
National School Avg.: 196

Quick Facts (2026-27)

# CT Schools Ranked: 263
Top 20 Range (Students): 421–1,345
CT School Avg.: 170
National School Avg.: 196

Connecticut Average Students Per School (Trends)

View Data

Year	Connecticut (CT) avg
2025	169
2024	166
2023	166
2022	172
2021	168
2020	164
2019	171
2018	169
2017	181
2016	178
2015	172

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 — Connecticut (students range: 421–1,345, avg 170)

School Size Range: 300 1,345 Avg. School Size: 571

Frequently Asked Questions

What is the Connecticut average private elementary schools student size?

The Connecticut average private elementary schools student size is 170 for 2026-27.

What are the private elementary schools with the largest student size in Connecticut?

The top ranked private elementary schools in Connecticut include The Greenwich Country Day School, Horace Mann School John Dorr Nature Laboratory and Greenwich Country Day 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.