The averageprivate school ACT score in Massachusetts is 29 (2025-26).
The private school in Massachusetts with the highest ACT score is Buckingham Browne & Nichols School, with an ACT score of 33.
Act Score Range: 23
33
Avg. Act Score: 29
Average Private School ACT Scores in Massachusetts (2025-26)
School
ACT Score
Grades
Location
Rank: #1 - 31. - 3.
ACT Score: 33
Grades: PK-12
80 Gerry's Landing Rd
Cambridge, MA 02138
(617) 547-6100
Cambridge, MA 02138
(617) 547-6100
Rank: #1 - 31. - 3.
Groton School![Groton School Photo - Groton Circle]( "Groton School Photo - Groton Circle")
(Episcopal)
ACT Score: 33
Grades: 8-12
282 Farmers Row
Groton, MA 01450
(978) 448-3363
Groton, MA 01450
(978) 448-3363
Rank: #1 - 31. - 3.
ACT Score: 33
Grades: 6-12
333 Winter St
Weston, MA 02493
(781) 235-9300
Weston, MA 02493
(781) 235-9300
Rank: #4 - 74. - 7.
ACT Score: 32
Grades: PK-12
83 Pine Street
Peabody, MA 01960
(978) 535-7100
Peabody, MA 01960
(978) 535-7100
Rank: #4 - 74. - 7.
ACT Score: 32
Grades: 5-12
45 Dana Road
Wellesley, MA 02482
(781) 489-1331
Wellesley, MA 02482
(781) 489-1331
Rank: #4 - 74. - 7.
ACT Score: 32
Grades: 9-12
1400 Lowell Road
Concord, MA 01742
(978) 371-6524
Concord, MA 01742
(978) 371-6524
Rank: #4 - 74. - 7.
Winsor School![Winsor School Photo]( "Winsor School Photo")
All-girls
ACT Score: 32
Grades: 5-12
103 Pilgrim Road
Boston, MA 02215
(617) 735-9503
Boston, MA 02215
(617) 735-9503
Rank: #8 - 98. - 9.
ACT Score: 31
Grades: K-12
170 Centre Street
Milton, MA 02186
(617) 898-1798
Milton, MA 02186
(617) 898-1798
Rank: #8 - 98. - 9.
ACT Score: 31
Grades: 9-12
180 Main Street
Andover, MA 01810
(978) 749-4050
Andover, MA 01810
(978) 749-4050
Rank: #10 - 1310. - 13.
ACT Score: 30
Grades: 9-12
45 Georgian Road
Weston, MA 02493
(781) 642-8650
Weston, MA 02493
(781) 642-8650
Rank: #10 - 1310. - 13.
ACT Score: 30
Grades: 9-12
7 Boyden Lane
Deerfield, MA 01342
(413) 774-1400
Deerfield, MA 01342
(413) 774-1400
Rank: #10 - 1310. - 13.
ACT Score: 30
Grades: 7-12
247 Marlborough Street
Boston, MA 02116
(617) 267-4530
Boston, MA 02116
(617) 267-4530
Rank: #10 - 1310. - 13.
ACT Score: 30
Grades: 9-12
172 Ash Street
Winchendon, MA 01475
(978) 297-1223
Winchendon, MA 01475
(978) 297-1223
Rank: #1414.
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
ACT Score: 29
Grades: 7-12
350 Prospect Street
Belmont, MA 02478
(617) 993-5220
Belmont, MA 02478
(617) 993-5220
Rank: #15 - 1615. - 16.
ACT Score: 28
Grades: NS-12
14 Forest Ridge Drive
Rowley, MA 01969
(978) 777-4699
Rowley, MA 01969
(978) 777-4699
Rank: #15 - 1615. - 16.
ACT Score: 28
Grades: 5-12
54 Brookside Avenue
Jamaica Plain, MA 02130
(617) 277-1118
Jamaica Plain, MA 02130
(617) 277-1118
Rank: #17 - 1817. - 18.
Fontbonne![Fontbonne Photo]( "Fontbonne Photo")
All-girls (Catholic)
ACT Score: 27
Grades: 7-12
930 Brook Road
Milton, MA 02186
(617) 615-3014
Milton, MA 02186
(617) 615-3014
Rank: #17 - 1817. - 18.
ACT Score: 27
Grades: 6-12
423 Main Street
Wilbraham, MA 01095
(413) 596-6811
Wilbraham, MA 01095
(413) 596-6811
Rank: #19 - 2319. - 23.
ACT Score: 26
Grades: NS-12
180 Middlesex Road
Tyngsboro, MA 01879
(978) 649-7611
Tyngsboro, MA 01879
(978) 649-7611
Rank: #19 - 2319. - 23.
ACT Score: 26
Grades: 2-12
429 Hale St
Prides Crossing, MA 01965
(978) 236-3266
Prides Crossing, MA 01965
(978) 236-3266
Rank: #19 - 2319. - 23.
ACT Score: 26
Grades: 6-12
66 School St
Granby, MA 01033
(413) 255-0000
Granby, MA 01033
(413) 255-0000
Rank: #19 - 2319. - 23.
ACT Score: 26
Grades: 7-12
574 Bernardston Road
Greenfield, MA 01301
(413) 774-2711
Greenfield, MA 01301
(413) 774-2711
Rank: #19 - 2319. - 23.
ACT Score: 26
Grades: 9-12
246 Front Street
Marion, MA 02738
(508) 291-8300
Marion, MA 02738
(508) 291-8300
Rank: #2424.
ACT Score: 25
Grades: 7-12
40 Independence Ave
Braintree, MA 02184
(781) 535-6051
Braintree, MA 02184
(781) 535-6051
Rank: #2525.
ACT Score: 24
Grades: 9-12
26 Powderhouse Rd
Groton, MA 01450
(978) 448-1530
Groton, MA 01450
(978) 448-1530
Rank: #26 - 2726. - 27.
ACT Score: 23
Grades: 7-12
785 Beaver Street
Waltham, MA 02452
(781) 314-0804
Waltham, MA 02452
(781) 314-0804
Rank: #26 - 2726. - 27.
ACT Score: 23
Grades: 9-12
99 Crystal St
Malden, MA 02148
(781) 322-3098
Malden, MA 02148
(781) 322-3098
Frequently Asked Questions
What is the Massachusetts average private schools ACT score?
The Massachusetts average private schools ACT score is 29 for 2025-26.
What are the private schools with the highest ACT score in Massachusetts?
The top ranked private schools in Massachusetts include Buckingham Browne & Nichols School, Groton School and The Rivers School.
What is private high school and private elementary school with the highest ACT score in Massachusetts?
The private high school with the highest ACT score in Massachusetts is Buckingham Browne & Nichols School, with a value of 33. The private elementary school with the highest ACT score is Buckingham Browne & Nichols School, with a value of 33.
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