Middlesex School Top 3 · Highest Avg. SAT Score (MA)

Buxton School

Tabor Academy Top 5 · Most AP Courses (MA)

Home > Massachusetts > Average Endowment

Average Private School endowment in Massachusetts

The average private school endowment in Massachusetts is $87.9M (2026-27).

The private school in Massachusetts with the highest endowment is Phillips Academy Andover, with a endowment of $1326M.

Quick Facts (2026-27)

# MA Schools Ranked: 65
Top 20 Range (Endowment): $63–$1,326
MA School Avg.: $92
National School Avg.: $32

Quick Facts (2026-27)

# MA Schools Ranked: 65
Top 20 Range (Endowment): $63–$1,326
MA School Avg.: $92
National School Avg.: $32

Massachusetts Average Endowment (Trends)

View Data

Year	Massachusetts (MA) avg
2025	$83.2
2024	$105.9
2023	$103.5
2022	$100.6
2021	$102.9
2020	$104.1
2019	$107.6
2018	$127.9
2017	$130.2

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 — Massachusetts (endowment range: $63–$1,326, avg $92)

Endowment Range: $16M $1326M Avg. Endowment: $164.3M

Frequently Asked Questions

What is the Massachusetts average private schools endowment?

The Massachusetts average private schools endowment is $87.9M for 2026-27.

What are the private schools with the highest endowment in Massachusetts?

The top ranked private schools in Massachusetts include Phillips Academy Andover, Deerfield Academy and Groton School.

What is private high school and private elementary school with the highest endowment in Massachusetts?

The private high school with the highest endowment in Massachusetts is Phillips Academy Andover, with a value of $1326.0M. The private elementary school with the highest endowment is Groton School, with a value of $611.0M.

Recent Articles

September 08, 2026

When Your Child Outpaces the Private School Curriculum

Learn what parents can do when a child finishes private school coursework early, including acceleration, curriculum compacting, advanced classes, enrichment, and signs the school needs a new plan.

September 08, 2026

How Much Teacher Access Does Your Child Get?

Learn how to evaluate teacher access at private schools, including extra-help time, advising, communication, academic support, and the questions families should ask before choosing a school today.

September 08, 2026

When a Private School Teacher Leaves Midyear

When a private school teacher leaves midyear, parents need clear answers. Learn what schools should do, what children may experience, and when a departure signals deeper concerns.