Home > Massachusetts > Schools By Membership Association

Top 20 Best Massachusetts Private Schools Belonging to National Association of Independent Schools (NAIS) (2025)

For the 2025 school year, there are 121 private schools belonging to National Association of Independent Schools (NAIS) serving 35,171 students in Massachusetts. You can also find more schools membership associations in Massachusetts.

The private schools belonging to National Association of Independent Schools (NAIS) in Massachusetts include Middlesex School, The Governors Academy, and Tabor Academy.

The average tuition cost is $44,045, which is higher than the Massachusetts private school average tuition cost of $26,014.

19% of private schools belonging to National Association of Independent Schools (NAIS) in Massachusetts are religiously affiliated (most commonly Catholic and Episcopal).

Apple Orchard School Photo - Based on Allandale Farm, Apple Orchard students spend much of their time outside: running in fields, feeding the chickens, caring for our barn animals, walking our goats, climbing pudding stone, building tree forts, sledding, stomping in puddles and playing in the mud.

Miss Hall's School Photo - The MHS graduate is a thinker, a creator and a contributor to the common good. She is a global citizen, a self-aware, resilient, and courageous participant in a multicultural society. Empowered by skills and knowledge, the MHS graduate is able to solve problems with intellect and creativity while embracing a spirit of exploration and curiosity.

Bay Farm Montessori Academy Photo - Our Children`s House preschool/pre-k, kindergarten classrooms accommodate children in mixed-age classrooms that provide a safe, stimulating, nurturing, educational, and social foundation for future success.

Kingsley Montessori School Photo - Elementary students exploring a geography work. A key component of the Kingsley mission is raising empathetic global citizens-students who care deeply for the world and work together to improve it.

Commonwealth School Photo - Two blocks from Copley Square, nestled in a pair of brownstones in Boston's Back Bay, the feeling of family persists at Commonwealth, and its location gives students unparalleled access to Boston's resources, fostering meaningful scholarly research, independent projects, and community service.

The Sage School Photo - Summer Sage offers six weeks of enrichment-based, hands-on workshops for curious and motivated students starting at 3 or 4 years old through Grade 6. Our wide variety of workshops allow students to explore their passions with like-minded peers. Classes are offered in-person on our campus in Foxboro, MA! Students have the option to attend morning, afternoon, or full-day sessions.

Fay School Photo - Fay School is located on a 66-acre campus 25 miles from Boston in Southborough, Massachusetts, and is the oldest junior boarding school in the United States. Fay currently serves students in Kindergarten through grade nine, with an optional boarding program starting in grade seven.

Tabor Academy Photo - Tabor has 4 docks and over 140 "things that float" including a 115-foot double masted schooner that serves as a research vessel, sail boats, crew shells, and more.

The Williston Northampton School Photo - The Williston Northampton School campus is centrally located in Easthampton, Massachusetts.

The Cambridge School Of Weston Photo - Our program, known as the Mod System, offers breadth, depth, and intensity you won't find at any other high school. Within its 6x6 framework (six terms of six weeks each), you'll choose from over 200 different classes, crafting a schedule that allows you to dig deep into current areas of interest while preparing you for the rigor of college study.

The Academy At Charlemont Photo - Welcome to The Academy at Charlemont

Brimmer and May School Photo - The Hastings Center opens limitless possibilities for our students with our Innovation Space, Makerspace, STEAM classroom, and Digital Media Center.

Recent Articles

June 09, 2025

Is It Easier to Land a Private School Job When You're Already Employed?

Is it easier to land a private school job when you're already employed? This article breaks down employer biases, networking advantages, and negotiation leverage—plus the latest hiring trends in independent schools. If you’re considering a move, here’s how to maximize your position.

June 09, 2025

How to Secure a Private School Job When You're Unemployed Without the Stigma

Finding a private school job while unemployed can be tough, but it doesn't have to hold you back. This article breaks down networking strategies, ways to stand out, and smart approaches to keep your confidence strong. Learn how to turn setbacks into strengths and secure the right opportunity—without the stigma.

June 09, 2025

The Private School Job Hunt: Insider Tips for Employed & Unemployed Educators

Navigating the private school job market? Whether you're employed or unemployed, the right strategy can make all the difference. This article breaks down essential steps to keep your resume sharp, expand your network, and stay visible in the education community. Learn insider tips to position yourself for success in private schools.