Private School Review - Established 2003
Miss Hall's School Top 14 · Most AP Courses (MA)
Stoneleigh-Burnham School Top 18 · Highest Avg. SAT Score (MA)
Fay School Top 22 · Oldest Founding Date (MA)

Massachusetts Private Schools Belonging to National Association of Independent Schools (NAIS)

For the 2026-27 school year, there are 126 private schools belonging to National Association of Independent Schools (NAIS) serving 35,569 students in Massachusetts. You can also find more schools membership associations in Massachusetts.
The top ranked private schools belonging to National Association of Independent Schools (NAIS) in Massachusetts include Tabor Academy, Belmont Hill School, and Wilbraham & Monson Academy.
The average tuition cost is $45,736, which is higher than the Massachusetts private school average tuition cost of $26,644.
19% of private schools belonging to National Association of Independent Schools (NAIS) in Massachusetts are religiously affiliated (most commonly Catholic and Episcopal).

Quick Facts (26-27)

  • # Private Schools: 126

Quick Facts (26-27)

  • # Private Schools: 126

Top Ranked Private Schools Belonging to National Association of Independent Schools (NAIS) in Massachusetts (2026-27)

Atrium School Photo
Atrium School
Gr: PK-8 | 115 students
Avg. class size: 12 students
Sports: 4 | Extracurriculars: 17
69 Grove St
Watertown, MA 02472
(617) 923-4156
(8)
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Bay Farm Montessori Academy Photo
Bay Farm Montessori Academy
Gr: NS-6 | 168 students
Avg. class size: 20 students
Sports: 13 | Extracurriculars: 6
Montessori School
145 Loring Street
Duxbury, MA 02332
(781) 934-7101
(9)
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Cambridge Montessori School Photo
Cambridge Montessori School
Gr: NS-8 | 152 students
Avg. class size: 15 students
Montessori School
161 Garden St
Cambridge, MA 02138
(617) 492-3410
(6)
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The Cambridge School Of Weston Photo
The Cambridge School Of Weston
Gr: 9-12 | 310 students
Avg. class size: 13 students
Sports: 11 | Extracurriculars: 53
45 Georgian Road
Weston, MA 02493
(781) 642-8650
(2)
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Chapel Hill Chauncy Hall School Photo
Chapel Hill Chauncy Hall School
Gr: 8-12 | 200 students
Avg. class size: 10 students
Sports: 11 | Extracurriculars: 26
785 Beaver Street
Waltham, MA 02452
(781) 314-0804
(1)
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Commonwealth School Photo
Commonwealth School
Gr: 9-12 | 164 students
Avg. class size: 9 students
Sports: 9 | Extracurriculars: 45
151 Commonwealth Avenue
Boston, MA 02116
(617) 266-7525
(1)
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Dana Hall School Photo
Dana Hall School
Gr: 5-12 | 441 students
Avg. class size: 12 students
Sports: 16 | Extracurriculars: 36
All-girls
45 Dana Road
Wellesley, MA 02482
(781) 489-1331
(1)
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Dedham Country Day School Photo
Dedham Country Day School
Gr: PK-8 | 309 students
Avg. class size: 12 students
Sports: 11 | Extracurriculars: 5
90 Sandy Valley Road
Dedham, MA 02026
(781) 329-0850
(1)
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Fay School Photo
Fay School
Gr: K-9
Avg. class size: 14 students
Sports: 16 | Extracurriculars: 14
48 Main Street
Southborough, MA 01772
(508) 490-8201
(9)
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Map of Fayerweather Street School
Fayerweather Street School
Gr: PK-8 | 205 students
Avg. class size: 20 students
Sports: 3 | Extracurriculars: 12
765 Concord Avenue
Cambridge, MA 02138
(617) 876-4746
(2)
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Kingsley Montessori School Photo
Kingsley Montessori School
Gr: NS-6 | 313 students
Avg. class size: 17 students
Sports: 14
Montessori School
26 Exeter Street
Boston, MA 02116
(617) 226-4927
(3)
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Middlesex School Photo
Middlesex School
Gr: 9-12 | 429 students
Avg. class size: 12 students
Sports: 20 | Extracurriculars: 71
1400 Lowell Road
Concord, MA 01742
(978) 371-6524
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Miss Hall's School Photo
Miss Hall's School
Gr: 9-12 | 200 students
Avg. class size: 11 students
Sports: 14 | Extracurriculars: 55
All-girls | Specialized Curriculum
492 Holmes Road
Pittsfield, MA 01201
(413) 499-1300
(11)
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The Sage School Photo
The Sage School
Gr: NS-8 | 135 students
Avg. class size: 12 students
Extracurriculars: 7
Specialized Curriculum
171 Mechanic St
Foxboro, MA 02035
(508) 543-9619
(12)
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Springfield Commonwealth Academy Photo
Springfield Commonwealth Academy
Gr: 6-12 | 125 students
Avg. class size: 12 students
Sports: 13 | Extracurriculars: 3
1 Ames Hill Dr
Springfield, MA 01105
(413) 203-9801
(1)
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Stoneleigh-Burnham School Photo
Stoneleigh-Burnham School
Gr: 7-12 | 140 students
Avg. class size: 10 students
Sports: 9 | Extracurriculars: 17
All-girls
574 Bernardston Road
Greenfield, MA 01301
(413) 774-2711
(5)
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Tabor Academy Photo
Tabor Academy
Gr: 9-12 | 508 students
Avg. class size: 12 students
Sports: 16 | Extracurriculars: 72
246 Front Street
Marion, MA 02738
(508) 291-8300
(7)
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Wilbraham & Monson Academy Photo
Wilbraham & Monson Academy
Gr: 6-12 | 412 students
Avg. class size: 12 students
Sports: 20 | Extracurriculars: 32
423 Main Street
Wilbraham, MA 01095
(413) 596-6811
(4)
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The Woodward School Photo
The Woodward School
Gr: 6-12 | 75 students
Avg. class size: 8 students
Sports: 5 | Extracurriculars: 22
All-girls
1102 Hancock St
Quincy, MA 02169
(617) 773-5610
(7)
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The Advent School Photo
The Advent School
Gr: PK-6 | 129 students
Avg. class size: 13 students
Sports: 6 | Extracurriculars: 20
Alternative School
15 Brimmer Street
Boston, MA 02108
(617) 742-0520
(1)
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Nashoba Brooks School Photo
Nashoba Brooks School
Gr: PK-8
Sports: 8 | Extracurriculars: 14
200 Strawberry Hill Road
Concord, MA 01742
(978) 369-4591
(10)
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The Academy At Charlemont Photo
The Academy At Charlemont
Gr: 7-12 | 81 students
Avg. class size: 16 students
Sports: 9 | Extracurriculars: 25
1359 Route 2 E
Charlemont, MA 01339
(413) 339-4912
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Academy Of Notre Dame Photo
Academy Of Notre Dame
Gr: NS-12 | 444 students
Avg. class size: 15 students
Sports: 15 | Extracurriculars: 28
Catholic
180 Middlesex Road
Tyngsboro, MA 01879
(978) 649-7611
(9)
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Applewild School Photo
Applewild School
Gr: NS-9 | 349 students
Avg. class size: 12 students
Sports: 8 | Extracurriculars: 7
120 Prospect St
Fitchburg, MA 01420
(978) 342-6053
(5)
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Austin Preparatory School Photo
Austin Preparatory School
Gr: 6-12 | 795 students
Avg. class size: 16 students
Sports: 21 | Extracurriculars: 23
Catholic
101 Willow St.
Reading, MA 01867
(781) 944-4900
(6)
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Bancroft School Photo
Bancroft School
Gr: PK-12
Avg. class size: 12 students
Sports: 12 | Extracurriculars: 2
110 Shore Dr
Worcester, MA 01605
(508) 854-9227
(4)
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Beaver Country Day School Photo
Beaver Country Day School
Gr: 6-12 | 490 students
Avg. class size: 16 students
Sports: 17
791 Hammond St
Chestnut Hill, MA 02467
(617) 738-2725
(1)
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Belmont Day School Photo
Belmont Day School
Gr: PK-8 | 339 students
Sports: 12
55 Day School Lane
Belmont, MA 02478
(617) 484-3078
(3)
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Belmont Hill School Photo
Belmont Hill School
Gr: 7-12 | 471 students
Avg. class size: 11 students
Sports: 16
All-boys
350 Prospect Street
Belmont, MA 02478
(617) 993-5220
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The Bement School Photo
The Bement School
Gr: K-9 | 224 students
Avg. class size: 12 students
Sports: 17 | Extracurriculars: 15
94 Old Main St
Deerfield, MA 01342
(413) 774-7061
(15)
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Boston College High School Photo
Boston College High School
Gr: 7-8 | 315 students
Avg. class size: 21 students
Sports: 19
All-boys (Catholic)
150 William T Morrissey Blvd
Dorchester, MA 02125
(617) 474-5112
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Boston Trinity Academy Photo
Boston Trinity Academy
Gr: 6-12 | 265 students
Avg. class size: 15 students
Sports: 9 | Extracurriculars: 19
Christian
17 Hale St
Hyde Park, MA 02136
(617) 364-3700
(4)
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Brimmer and May School Photo
Brimmer and May School
Gr: PK-12 | 404 students
Avg. class size: 12 students
Sports: 10 | Extracurriculars: 23
69 Middlesex Road
Chestnut Hill, MA 02467
(617) 566-7462
(4)
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British International School Of Boston Photo
British International School Of Boston
Gr: PK-12 | 522 students
Avg. class size: 15 students
Sports: 7 | Extracurriculars: 12
Alternative School
416 Pond Street
Jamaica Plain, MA 02130
(617) 522-2261
(8)
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Brooks School Photo
Brooks School
Gr: 9-12 | 351 students
Avg. class size: 12 students
Sports: 16 | Extracurriculars: 28
Episcopal
1160 Great Pond Road
North Andover, MA 01845
(978) 725-6255
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Show 91 more private schools in Massachusetts (out of 126 total schools)
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Frequently Asked Questions

What are the top ranked private schools belonging to National Association of Independent Schools (NAIS) in Massachusetts?
The top ranked private schools belonging to National Association of Independent Schools (NAIS) in Massachusetts include Tabor Academy, Belmont Hill School, and Wilbraham & Monson Academy.
How many private schools belonging to National Association of Independent Schools (NAIS) are located in Massachusetts?
126 private schools belonging to National Association of Independent Schools (NAIS) are located in Massachusetts.
How much do private schools belonging to National Association of Independent Schools (NAIS) cost in Massachusetts?
The average tuition cost is $45,736, which is higher than the Massachusetts private school average tuition cost of $26,644.
How diverse are private schools belonging to National Association of Independent Schools (NAIS) in Massachusetts?
Massachusetts private schools belonging to National Association of Independent Schools (NAIS) are approximately 28% minority students, which is lower than the Massachusetts private school average of 32%.
What percentage of private schools belonging to National Association of Independent Schools (NAIS) are religiously affiliated in Massachusetts?
19% of private schools belonging to National Association of Independent Schools (NAIS) in Massachusetts are religiously affiliated (most commonly Catholic and Episcopal).
124
Private Schools
35,569
Students
$45,736
Avg. Tuition
28%
Students of Color
6:1
Student-Teacher Ratio

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