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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).

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.

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.

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.

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.

The Sage School Photo - Sagers consistently show an environmentally and community-minded spirit. In Spring 2021 Sage installed "Sprout," a solar tracker that was gifted by faculty and staff of the past and present. The student-led group, Service @ Sage, also works year round to host food drives and other acts of community service.

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.

Miss Hall's School Photo - 90 acres nestled in the beautiful Berkshires of western Massachusetts.

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.

Buckingham Browne & Nichols School Photo

Park Street School Photo - Park Street School second graders enjoy their Greek gods and goddesses unit, sharing with classmates fun facts about the god or goddess each was assigned, finishing with a story. Each costume and prop give important clues to the role of each god. Which god or goddess would you have liked to be?

Eagle Hill School Photo - A birds eye view of our 300 acre campus.

The Park School Photo - Located on 34 acres near Jamaica Pond, Park feels like a neighborhood school but reflects the diversity of metropolitan Boston.

Springfield Commonwealth Academy Photo - Field_Day_2024

Touchstone Community School Photo - Meaningful Work

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