For the 2025-26 school year, there are 122 private schools belonging to National Association of Independent Schools (NAIS) serving 35,722 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 Middlesex School, Tabor Academy, and Belmont Hill School.
The average tuition cost is $45,225, which is higher than the Massachusetts private school average tuition cost of $26,454.
Top Ranked Private Schools Belonging to National Association of Independent Schools (NAIS) in Massachusetts (2025-26)
School
Location
Quick Facts
145 Loring Street
Duxbury, MA 02332
(781) 934-7101
Duxbury, MA 02332
(781) 934-7101
Gr: NS-6 | 149 students Avg. class size: 20 students Sports: 13 | Extracurrculars: 6 Tuition & acceptance rate listed
Buxton School![Buxton School Photo - Mountain Day!]( "Buxton School Photo - Mountain Day!")
Special Program Emphasis
291 South Street
Williamstown, MA 01267
(413) 339-3727
Williamstown, MA 01267
(413) 339-3727
Gr: 9-12 | 51 students Avg. class size: 9 students Sports: 9 | Extracurrculars: 12 Tuition & acceptance rate listed
161 Garden St
Cambridge, MA 02138
(617) 492-3410
Cambridge, MA 02138
(617) 492-3410
Gr: NS-8 | 152 students Avg. class size: 15 students Tuition & acceptance rate listed
45 Georgian Road
Weston, MA 02493
(781) 642-8650
Weston, MA 02493
(781) 642-8650
Gr: 9-12 | 320 students Avg. class size: 15 students Sports: 9 | Extracurrculars: 53 Tuition & acceptance rate listed
151 Commonwealth Avenue
Boston, MA 02116
(617) 266-7525
Boston, MA 02116
(617) 266-7525
Gr: 9-12 | 158 students Avg. class size: 12 students Sports: 9 | Extracurrculars: 33 Tuition listed
90 Sandy Valley Road
Dedham, MA 02026
(781) 329-0850
Dedham, MA 02026
(781) 329-0850
Gr: NS-8 | 309 students Avg. class size: 12 students Sports: 11 | Extracurrculars: 5 Tuition & acceptance rate listed
48 Main Street
Southborough, MA 01772
(508) 490-8201
Southborough, MA 01772
(508) 490-8201
Gr: K-9 Avg. class size: 14 students Sports: 16 | Extracurrculars: 14 Tuition listed
765 Concord Avenue
Cambridge, MA 02138
(617) 876-4746
Cambridge, MA 02138
(617) 876-4746
Gr: PK-8 | 205 students Avg. class size: 20 students Sports: 3 | Extracurrculars: 12 Tuition & acceptance rate listed
26 Exeter Street
Boston, MA 02116
(617) 226-4927
Boston, MA 02116
(617) 226-4927
Gr: NS-6 | 301 students Avg. class size: 17 students Sports: 14 Tuition listed
1400 Lowell Road
Concord, MA 01742
(978) 371-6524
Concord, MA 01742
(978) 371-6524
Gr: 9-12 | 427 students Avg. class size: 12 students Sports: 20 | Extracurrculars: 71 Tuition & acceptance rate listed
492 Holmes Road
Pittsfield, MA 01201
(413) 499-1300
Pittsfield, MA 01201
(413) 499-1300
Gr: 9-12 | 200 students Avg. class size: 12 students Sports: 13 | Extracurrculars: 44 Tuition listed
200 Strawberry Hill Road
Concord, MA 01742
(978) 369-4591
Concord, MA 01742
(978) 369-4591
Gr: PK-8 | 268 students Avg. class size: 12 students Sports: 8 | Extracurrculars: 10 Tuition & acceptance rate listed
171 Mechanic St
Foxboro, MA 02035
(508) 543-9619
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
Springfield, MA 01105
(413) 203-9801
Gr: 6-12 | 125 students Avg. class size: 12 students Sports: 13 | Extracurrculars: 3 Tuition & acceptance rate listed
574 Bernardston Road
Greenfield, MA 01301
(413) 774-2711
Greenfield, MA 01301
(413) 774-2711
Gr: 7-12 | 140 students Avg. class size: 10 students Sports: 8 | Extracurrculars: 17 Tuition & acceptance rate listed
246 Front Street
Marion, MA 02738
(508) 291-8300
Marion, MA 02738
(508) 291-8300
Gr: 9-12 | 508 students Avg. class size: 12 students Sports: 16 | Extracurrculars: 72 Tuition & acceptance rate listed
423 Main Street
Wilbraham, MA 01095
(413) 596-6811
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.]( "The Advent School Photo - Students integrate art, science, and Spanish in the Atelier.")
Alternative School
15 Brimmer Street
Boston, MA 02108
(617) 742-0520
Boston, MA 02108
(617) 742-0520
Gr: NS-6 | 200 students Avg. class size: 13 students Extracurrculars: 20 Tuition listed
69 Grove St
Watertown, MA 02472
(617) 923-4156
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
Charlemont, MA 01339
(413) 339-4912
Gr: 7-12 | 81 students Avg. class size: 16 students Sports: 9 | Extracurrculars: 25 Tuition & acceptance rate listed
180 Middlesex Road
Tyngsboro, MA 01879
(978) 649-7611
Tyngsboro, MA 01879
(978) 649-7611
Gr: NS-12 | 431 students Avg. class size: 15 students Sports: 14 | Extracurrculars: 28 Tuition & acceptance rate listed
282 D Newton St
Brookline, MA 02445
(617) 731-6463
Brookline, MA 02445
(617) 731-6463
Gr: PK-K | 93 students Avg. class size: 13 students Acceptance rate listed
120 Prospect St
Fitchburg, MA 01420
(978) 342-6053
Fitchburg, MA 01420
(978) 342-6053
Gr: PK-9 | 345 students Avg. class size: 12 students Sports: 6 | Extracurrculars: 7 Tuition & acceptance rate listed
101 Willow St.
Reading, MA 01867
(781) 944-4900
Reading, MA 01867
(781) 944-4900
Gr: 6-12 | 813 students Avg. class size: 16 students Sports: 20 | Extracurrculars: 22 Tuition & acceptance rate listed
110 Shore Dr
Worcester, MA 01605
(508) 854-9227
Worcester, MA 01605
(508) 854-9227
Gr: PK-12 Avg. class size: 12 students Sports: 12 | Extracurrculars: 2 Tuition & acceptance rate listed
791 Hammond St
Chestnut Hill, MA 02467
(617) 738-2725
Chestnut Hill, MA 02467
(617) 738-2725
Gr: 6-12 | 490 students Avg. class size: 16 students Sports: 17 Tuition & acceptance rate listed
55 Day School Lane
Belmont, MA 02478
(617) 484-3078
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.]( "Belmont Hill School Photo - Belmont Hill School campus located in Belmont, MA.")
All-boys
350 Prospect Street
Belmont, MA 02478
(617) 993-5220
Belmont, MA 02478
(617) 993-5220
Gr: 7-12 | 471 students Avg. class size: 11 students Sports: 16 Tuition & acceptance rate listed
94 Old Main St
Deerfield, MA 01342
(413) 774-7061
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.]( "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
Dorchester, MA 02125
(617) 474-5112
Gr: 7-8 | 315 students Avg. class size: 21 students Sports: 19 Tuition listed
17 Hale St
Hyde Park, MA 02136
(617) 364-3700
Hyde Park, MA 02136
(617) 364-3700
Gr: 6-12 | 265 students Avg. class size: 15 students Sports: 9 | Extracurrculars: 19 Tuition listed
69 Middlesex Road
Chestnut Hill, MA 02467
(617) 566-7462
Chestnut Hill, MA 02467
(617) 566-7462
Gr: PK-12 | 404 students Avg. class size: 12 students Sports: 10 | Extracurrculars: 23 Tuition listed
416 Pond Street
Jamaica Plain, MA 02130
(617) 522-2261
Jamaica Plain, MA 02130
(617) 522-2261
Gr: PK-12 | 522 students Avg. class size: 15 students Sports: 7 | Extracurrculars: 12 Tuition listed
Brooks School![Brooks School Photo]( "Brooks School Photo")
(Episcopal)
1160 Great Pond Road
North Andover, MA 01845
(978) 725-6255
North Andover, MA 01845
(978) 725-6255
Gr: 9-12 | 351 students Avg. class size: 12 students Sports: 16 | Extracurrculars: 28 Tuition & acceptance rate listed
One Brookwood Road
Manchester, MA 01944
(978) 526-4500
Manchester, MA 01944
(978) 526-4500
Gr: NS-8 | 295 students Avg. class size: 18 students Sports: 6 | Extracurrculars: 5 Tuition & acceptance rate listed
Show 87 more private schools in Massachusetts (out of 122 total schools)
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