Cambridge Montessori School Photo

Largest Massachusetts Private Elementary Schools

The average private elementary school in Massachusetts has 190 students (2025).
The largest private elementary school in Massachusetts is St. John's Preparatory School with 1,477 students.
School Size Range: 450 1,477 Avg. School Size: 640

Largest Massachusetts Private Elementary Schools (2025)

School
# Students
Grades
Location
Rank: #11.
St. John's Preparatory School
St. John's Preparatory School Photo - Community service opportunities abound at St. John's because students believe in living compassion like an action verb! Prep boys are exposed to a whole world of ways to do, be and make good. Get ready to find your good!
All-boys (Catholic)
(5)
Students: 1,477
Grades: 6-12
72 Spring Street
Danvers, MA 01923
(978) 774-1050
Rank: #22.
Students: 1,048
Grades: PK-12
80 Gerry's Landing Rd
Cambridge, MA 02138
(617) 547-6100
Rank: #33.
Dexter Southfield School
Dexter Southfield School Photo
(1)
Students: 1,027
Grades: NS-12
20 Newton St
Brookline, MA 02445
(617) 522-5544
Rank: #44.
Milton Academy
Milton Academy Photo - Milton Academy is only eight miles from Boston's museums, schools and attractions, but it has the benefits of a 130-acre New England campus-with green quads and lots of fall foliage.
Students: 1,020
Grades: K-12
170 Centre Street
Milton, MA 02186
(617) 898-1798
Rank: #55.
Students: 943
Grades: PK-8
2200 Dorchester Avenue
Dorchester, MA 02122
(617) 265-0019
Rank: #66.
Xaverian Brothers High School
Xaverian Brothers High School Photo
All-boys (Catholic)
(6)
Students: 931
Grades: 7-12
800 Clapboardtree St
Westwood, MA 02090
(781) 326-6392
Rank: #77.
Austin Preparatory School
Austin Preparatory School Photo
(Catholic)
(6)
Students: 813
Grades: 6-12
101 Willow St.
Reading, MA 01867
(781) 944-4900
Rank: #88.
Sacred Heart Elementary School
(Catholic)
Students: 755
Grades: NS-12
329 Bishops Hwy
Kingston, MA 02364
(781) 585-2114
Rank: #99.
Thayer Academy
Students: 686
Grades: 5-12
745 Washington Street
Braintree, MA 02184
(781) 664-2201
Rank: #1010.
Archbishop Williams High School
Archbishop Williams High School Photo
(Catholic)
(1)
Students: 648
Grades: 7-12
40 Independence Ave
Braintree, MA 02184
(781) 843-3636
Rank: #1111.
Sacred Heart School
(Catholic)
Students: 640
Grades: PK-12
399 Bishops Highway
Kingston, MA 02364
(781) 585-7511
Rank: #1212.
Whitinsville Christian School
Whitinsville Christian School Photo - Our actively engaged, student-focused, distinctively Christian learning environment motivates students to grow in academics, arts, athletics, and other areas, integrating faith into all aspects of the educational experience.
(Calvinist)
(4)
Students: 638
Grades: NS-12
279 Linwood Ave
Whitinsville, MA 01588
(508) 234-8211
Rank: #1313.
Students: 620
Grades: 7-12
10 Campus Drive
Dedham, MA 02026
(781) 320-7271
Rank: #1414.
Catholic Memorial
Catholic Memorial Photo - Members of the Class of 2024 throw their caps into the sky during commencement ceremonies.
All-boys (Catholic)
Students: 597
Grades: 7-12
235 Baker St
West Roxbury, MA 02132
(617) 496-8000
Rank: #1515.
International School Of Boston
International School Of Boston Photo
Special Program Emphasis
(3)
Students: 579
Grades: NS-12
45 Matignon Road
Cambridge, MA 02140
(617) 499-1451
Rank: #1616.
The Park School
The Park School Photo - Located on 34 acres near Jamaica Pond, Park feels like a neighborhood school but reflects the diversity of metropolitan Boston.
(1)
Students: 555
Grades: PK-8
171 Goddard Avenue
Brookline, MA 02445
(617) 277-2456
Rank: #1717.
Students: 540
Grades: 7-12
144 Granite St
Worcester, MA 01604
(508) 852-5555
Rank: #1818.
The Fessenden School
The Fessenden School Photo
All-boys
Students: 537
Grades: PK-9
250 Waltham Street
West Newton, MA 02465
(617) 630-2300
Rank: #1919.
St. Michael Elementary School
(Catholic)
(1)
Students: 532
Grades: NS-8
80 Maple Ave
North Andover, MA 01845
(978) 686-1862
Rank: #2020.
Shady Hill School
Shady Hill School Photo
Students: 531
Grades: PK-8
178 Coolidge Hill
Cambridge, MA 02138
(617) 520-5200
Rank: #2121.
British International School Of Boston
British International School Of Boston Photo
Alternative School
(8)
Students: 522
Grades: K-12
416 Pond Street
Jamaica Plain, MA 02130
(617) 522-2261
Rank: #2222.
The Rivers School
The Rivers School Photo
(3)
Students: 519
Grades: 6-12
333 Winter St
Weston, MA 02493
(781) 235-9300
Rank: #2323.
St. Marys High School
St. Marys High School Photo - Visual and performing arts, a Theater Company in the Mass. Educational Theater Guild and partnerships with Lynn Museum and Centerboard let our students express their creativity.
(Catholic)
Students: 517
Grades: 6-12
35 Tremont St.
Lynn, MA 01902
(781) 586-2014
Rank: #2424.
Lubavitcher Yeshiva
All-boys (Jewish)
Students: 506
Grades: PK-8
1148 Converse Street
Longmeadow, MA 01106
(718) 774-4131
Rank: #2525.
Worcester Academy
Worcester Academy Photo - On overhead of our historic campus in the city of Worcester, MA.
Students: 502
Grades: 6-12
81 Providence Street
Worcester, MA 01604
(508) 754-5302
Rank: #2626.
St. John The Baptist School
(Catholic)
Students: 495
Grades: PK-8
19 Chestnut St
Peabody, MA 01960
(978) 531-0444
Rank: #27 - 2827. - 28.
Beaver Country Day School
Beaver Country Day School Photo
(1)
Students: 490
Grades: 6-12
791 Hammond St
Chestnut Hill, MA 02467
(617) 738-2725
Rank: #27 - 2827. - 28.
Students: 490
Grades: 7-12
19 Payson Avenue
Easthampton, MA 01027
(413) 529-3231
Rank: #2929.
St. Joseph Elementary School
(Catholic)
(4)
Students: 479
Grades: NS-8
132 High St
Medford, MA 02155
(781) 396-3636
Rank: #30 - 3130. - 31.
Belmont Hill School
Belmont Hill School Photo - Belmont Hill School campus located in Belmont, MA.
All-boys
Students: 471
Grades: 7-12
350 Prospect Street
Belmont, MA 02478
(617) 484-4410
Rank: #30 - 3130. - 31.
Winsor School
Winsor School Photo
All-girls
Students: 471
Grades: 5-12
103 Pilgrim Road
Boston, MA 02215
(617) 735-9503
Rank: #3232.
St. John Paul Ii Catholic Academy
(Catholic)
Students: 466
Grades: PK-8
2214 Dorchester Ave
Dorchester Center, MA 02124
(617) 265-0019
Rank: #3333.
St. Michaels Academy
St. Michaels Academy Photo - St. Michael's Academy welcomes students from all backgrounds, cultures and faiths and is located in the beautiful East Forest Park section of Springfield.
(Catholic)
Students: 461
Grades: PK-8
153 Eddywood St
Springfield, MA 01118
(413) 782-5246
Rank: #3434.
Dana Hall School
Dana Hall School Photo
All-girls
(1)
Students: 456
Grades: 5-12
45 Dana Road
Wellesley, MA 02482
(781) 489-1331
Rank: #3535.
Notre Dame Academy
All-girls (Catholic)
(1)
Students: 450
Grades: 7-12
1073 Main Street
Hingham, MA 02043
(781) 749-5930
Show 100 more private schools in MA (out of 486 total schools)
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Frequently Asked Questions

What is the Massachusetts average private elementary schools student size?
The Massachusetts average private elementary schools student size is 190 for 2025.
What are the private elementary schools with the largest student size in Massachusetts?
The top ranked private elementary schools in Massachusetts include St. John's Preparatory School, Buckingham Browne & Nichols School and Dexter Southfield School.

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