Lexington Christian Academy Photo - Lexington Christian Academy is an independent, college preparatory, day and boarding school educating students in grades 6-12.

Best Massachusetts Private Elementary Schools Belonging to National Association of Independent Schools (NAIS) (2025-26)

For the 2025-26 school year, there are 99 private elementary schools belonging to National Association of Independent Schools (NAIS) serving 28,497 students in Massachusetts. You can also find more schools membership associations in Massachusetts.
The top ranked private elementary schools belonging to National Association of Independent Schools (NAIS) in Massachusetts include Belmont Hill School, Springfield Commonwealth Academy, and Wilbraham & Monson Academy.
The average tuition cost is $41,317, which is higher than the Massachusetts private elementary school average tuition cost of $24,778.
19% of private elementary schools belonging to National Association of Independent Schools (NAIS) in Massachusetts are religiously affiliated (most commonly Catholic and Christian).

Top Ranked Private Elementary Schools Belonging to National Association of Independent Schools (NAIS) in Massachusetts (2025-26)

School
Location
Quick Facts
Bay Farm Montessori Academy
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.
Montessori School
(8)
145 Loring Street
Duxbury, MA 02332
(781) 934-7101
Gr: NS-6 | 149 students Avg. class size: 20 students Sports: 13 | Extracurrculars: 6 Tuition & acceptance rate listed
Cambridge Montessori School
Cambridge Montessori School Photo
Montessori School
(6)
161 Garden St
Cambridge, MA 02138
(617) 492-3410
Gr: NS-8 | 152 students Avg. class size: 15 students Tuition & acceptance rate listed
Dedham Country Day School
Dedham Country Day School Photo - Welcome to Dedham Country Day!
(1)
90 Sandy Valley Road
Dedham, MA 02026
(781) 329-0850
Gr: NS-8 | 309 students Avg. class size: 12 students Sports: 11 | Extracurrculars: 5 Tuition & acceptance rate listed
Fay School
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.
(9)
48 Main Street
Southborough, MA 01772
(508) 490-8201
Gr: K-9 Avg. class size: 14 students Sports: 16 | Extracurrculars: 14 Tuition listed
Fayerweather Street School
(2)
765 Concord Avenue
Cambridge, MA 02138
(617) 876-4746
Gr: PK-8 | 205 students Avg. class size: 20 students Sports: 3 | Extracurrculars: 12 Tuition & acceptance rate listed
Kingsley Montessori School
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.
Montessori School
(3)
26 Exeter Street
Boston, MA 02116
(617) 226-4927
Gr: NS-6 | 301 students Avg. class size: 17 students Sports: 14 Tuition listed
Nashoba Brooks School
Nashoba Brooks School Photo
(10)
200 Strawberry Hill Road
Concord, MA 01742
(978) 369-4591
Gr: PK-8 | 268 students Avg. class size: 12 students Sports: 8 | Extracurrculars: 10 Tuition & acceptance rate listed
The Sage School
The Sage School Photo - Upper School Students explore collaboration and communication on our Morahan Low Elements Course.
Special Program Emphasis
(12)
171 Mechanic St
Foxboro, MA 02035
(508) 543-9619
Gr: NS-8 | 135 students Avg. class size: 12 students Extracurrculars: 7 Tuition & acceptance rate listed
1 Ames Hill Dr
Springfield, MA 01105
(413) 203-9801
Gr: 6-12 | 125 students Avg. class size: 12 students Sports: 13 | Extracurrculars: 3 Tuition & acceptance rate listed
Stoneleigh-Burnham School
Stoneleigh-Burnham School Photo
All-girls
(5)
574 Bernardston Road
Greenfield, MA 01301
(413) 774-2711
Gr: 7-12 | 140 students Avg. class size: 10 students Sports: 8 | Extracurrculars: 17 Tuition & acceptance rate listed
Wilbraham & Monson Academy
Wilbraham & Monson Academy Photo
(4)
423 Main Street
Wilbraham, MA 01095
(413) 596-6811
Gr: 6-12 | 412 students Avg. class size: 12 students Sports: 23 | Extracurrculars: 36 Tuition & acceptance rate listed
The Advent School
The Advent School Photo - Students integrate art, science, and Spanish in the Atelier.
Alternative School
15 Brimmer Street
Boston, MA 02108
(617) 742-0520
Gr: NS-6 | 200 students Avg. class size: 13 students Extracurrculars: 20 Tuition listed
Atrium School
Atrium School Photo
(5)
69 Grove St
Watertown, MA 02472
(617) 923-4156
Gr: PK-8 | 114 students Avg. class size: 12 students Sports: 3 | Extracurrculars: 17 Tuition & acceptance rate listed
1359 Route 2 E
Charlemont, MA 01339
(413) 339-4912
Gr: 7-12 | 81 students Avg. class size: 16 students Sports: 9 | Extracurrculars: 25 Tuition & acceptance rate listed
Academy Of Notre Dame
Academy Of Notre Dame Photo - Academy of Notre Dame Tyngsboro
(Catholic)
(9)
180 Middlesex Road
Tyngsboro, MA 01879
(978) 649-7611
Gr: NS-12 | 431 students Avg. class size: 15 students Sports: 14 | Extracurrculars: 28 Tuition & acceptance rate listed
Applewild School
Applewild School Photo
(5)
120 Prospect St
Fitchburg, MA 01420
(978) 342-6053
Gr: PK-9 | 345 students Avg. class size: 12 students Sports: 6 | Extracurrculars: 7 Tuition & acceptance rate listed
Austin Preparatory School
Austin Preparatory School Photo
(Catholic)
(6)
101 Willow St.
Reading, MA 01867
(781) 944-4900
Gr: 6-12 | 813 students Avg. class size: 16 students Sports: 20 | Extracurrculars: 22 Tuition & acceptance rate listed
Bancroft School
Bancroft School Photo
(4)
110 Shore Dr
Worcester, MA 01605
(508) 854-9227
Gr: PK-12 Avg. class size: 12 students Sports: 12 | Extracurrculars: 2 Tuition & acceptance rate listed
Beaver Country Day School
Beaver Country Day School Photo
(1)
791 Hammond St
Chestnut Hill, MA 02467
(617) 738-2725
Gr: 6-12 | 490 students Avg. class size: 16 students Sports: 17 Tuition & acceptance rate listed
Belmont Day School
Belmont Day School Photo - Welcome to Belmont Day!
(3)
55 Day School Lane
Belmont, MA 02478
(617) 484-3078
Gr: PK-8 | 338 students Sports: 13
Belmont Hill School
Belmont Hill School Photo - Belmont Hill School campus located in Belmont, MA.
All-boys
350 Prospect Street
Belmont, MA 02478
(617) 993-5220
Gr: 7-12 | 471 students Avg. class size: 11 students Sports: 16 Tuition & acceptance rate listed
The Bement School
The Bement School Photo
(12)
94 Old Main St
Deerfield, MA 01342
(413) 774-7061
Gr: K-9 | 226 students Avg. class size: 12 students Sports: 17 | Extracurrculars: 15 Tuition & acceptance rate listed
Boston College High School
Boston College High School Photo - The labyrinth in our main common area provides a metaphor for the reflective journey you take through life, as well as the internal discovery of yourself.
All-boys (Catholic)
150 William T Morrissey Blvd
Dorchester, MA 02125
(617) 474-5112
Gr: 7-8 | 315 students Avg. class size: 21 students Sports: 19 Tuition listed
Boston Trinity Academy
Boston Trinity Academy Photo
(Christian)
(4)
17 Hale St
Hyde Park, MA 02136
(617) 364-3700
Gr: 6-12 | 265 students Avg. class size: 15 students Sports: 9 | Extracurrculars: 19 Tuition listed
Brimmer and May School
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.
(4)
69 Middlesex Road
Chestnut Hill, MA 02467
(617) 566-7462
Gr: PK-12 | 404 students Avg. class size: 12 students Sports: 10 | Extracurrculars: 23 Tuition listed
British International School Of Boston
British International School Of Boston Photo
Alternative School
(8)
416 Pond Street
Jamaica Plain, MA 02130
(617) 522-2261
Gr: PK-12 | 522 students Avg. class size: 15 students Sports: 7 | Extracurrculars: 12 Tuition listed
Brookwood School
Brookwood School Photo - Brookwood''s 30-acre Campus
(7)
One Brookwood Road
Manchester, MA 01944
(978) 526-4500
Gr: NS-8 | 295 students Avg. class size: 18 students Sports: 6 | Extracurrculars: 5 Tuition & acceptance rate listed
80 Gerry's Landing Rd
Cambridge, MA 02138
(617) 547-6100
Gr: PK-12 | 1,043 student Avg. class size: 15 students Sports: 19 | Extracurrculars: 68 Tuition listed
33 Prospect Street
Northampton, MA 01063
(413) 585-3270
Gr: K-6 | 169 students Tuition listed
Cape Cod Academy
Cape Cod Academy Photo - Science Center's Foucault Pendulum at Cape Cod Academy
(3)
50 Osterville West Barnstable Road
Osterville, MA 02655
(508) 428-5400
Gr: K-12 | 276 students Avg. class size: 13 students Sports: 10 | Extracurrculars: 21 Tuition & acceptance rate listed
Carroll School
Carroll School Photo - Educational technology integrated into in the daily curriculum
Special Education School
(2)
25 Baker Bridge Road
Lincoln, MA 01773
(781) 259-8342
Gr: 1-9 | 447 students Avg. class size: 7 students Sports: 9 | Extracurrculars: 8 Tuition & acceptance rate listed
785 Beaver Street
Waltham, MA 02452
(781) 314-0804
Gr: 7-12 | 200 students Avg. class size: 10 students Sports: 11 | Extracurrculars: 26 Tuition & acceptance rate listed
Charles River School
Charles River School Photo - PreK through 8th grade students are provided with a myriad of hands-on activities that have real world applications.
(10)
6 Old Meadow Road
Dover, MA 02030
(508) 785-8213
Gr: PK-8 | 191 students Avg. class size: 18 students Sports: 9 | Extracurrculars: 7 Tuition listed
Dana Hall School
Dana Hall School Photo
All-girls
(1)
45 Dana Road
Wellesley, MA 02482
(781) 489-1331
Gr: 5-12 | 456 students Avg. class size: 12 students Sports: 16 | Extracurrculars: 36 Tuition & acceptance rate listed
Derby Academy
Derby Academy Photo - Founded in 1784, Derby Academy is a coeducational, Pre-Kindergarten through Grade 8 school that nurtures the development of the child by providing opportunities for the maximum intellectual, emotional and physical growth of each student.
56 Burditt Ave
Hingham, MA 02043
(781) 749-0746
Gr: PK-8 | 342 students Avg. class size: 15 students Sports: 11 | Extracurrculars: 9 Tuition listed
Show 64 more private schools in Massachusetts (out of 99 total schools)
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