Delphi Academy of Boston Photo - Small class sizes, big thinkers & challenging environment. Caring faculty provide personal, one-on-one attention for every child. Over 40 years of educational experience and success.

Best Milton Private Schools (2026)

For the 2026 school year, there are 10 private schools serving 2,499 students in Milton, MA (there are 6 public schools, serving 4,320 public students). 37% of all K-12 students in Milton, MA are educated in private schools (compared to the MA state average of 12%).
The top-ranked private schools in Milton, MA include St. Agatha School, St. Mary Of The Hills School, and Fontbonne.
The average acceptance rate is 62%, which is lower than the Massachusetts private school average acceptance rate of 71%.
30% of private schools in Milton, MA are religiously affiliated (most commonly Catholic).

Top-Ranked Milton Private Schools (2026)

School
Location
Quick Facts
Delphi Academy of Boston
Delphi Academy of Boston Photo - Small class sizes, big thinkers & challenging environment. Caring faculty provide personal, one-on-one attention for every child. Over 40 years of educational experience and success.
(8)
564 Blue Hill Avenue
Milton, MA 02186
(617) 333-9610
Gr: PK-8 | 140 students Avg. class size: 12 students Sports: 3 | Extracurrculars: 4 Tuition & acceptance rate listed
Fontbonne
Fontbonne Photo
All-girls (Catholic)
930 Brook Road
Milton, MA 02186
(617) 615-3014
Gr: 7-12 | 325 students Avg. class size: 12 students Sports: 12 | Extracurrculars: 31 Tuition listed
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.
170 Centre Street
Milton, MA 02186
(617) 898-1798
Gr: K-12 | 1,020 student Avg. class size: 14 students Sports: 19 | Extracurrculars: 56 Tuition & acceptance rate listed
St. Agatha School
St. Agatha School Photo - Charity work done by SAS Students.
(Catholic)
440 Adams Street
Milton, MA 02186
(617) 696-3548
Gr: PK-8 | 417 students Sports: 3 | Extracurrculars: 15
St. Mary Of The Hills School
(Catholic)
250 Brook Rd
Milton, MA 02186
(617) 698-2464
Gr: PK-8 | 326 students
158 Blue Hills Parkway
Milton, MA 02186
(339) 237-0319
Gr: K-1 | 6 students Avg. class size: 8 students Sports: 3 | Extracurrculars: 6 Tuition & acceptance rate listed
The Campbell School
Daycare / Preschool
180 Blue Hill Ave
Milton, MA 02186
(617) 696-4222
Gr: PK-K | 72 students
Carriage House School
Daycare / Preschool
777 Randolph Ave
Milton, MA 02186
(617) 696-2468
Gr: PK-K | 49 students Avg. class size: 6 students
Discovery Schoolhouse
Daycare / Preschool
865 Brush Hill Road
Milton, MA 02186
(617) 333-9876
Gr: NS-PK | 28 students Tuition listed
Thacher Montessori School
Thacher Montessori School Photo
Montessori School
(2)
1425 Blue Hill Ave
Milton, MA 02186
(617) 361-2522
Gr: NS-8 | 116 students Avg. class size: 18 students Sports: 5 | Extracurrculars: 4 Tuition & acceptance rate listed

Overview

This Town (Milton)
This State (MA)
# Schools
10 Schools

Student Body:

# Students
2,499 Students
127,049 Students
% Average Students of Color
38%
31%

Academics and Faculty:

# Teachers
322 Teachers
15,733 Teachers
Average Student-Teacher Ratio
8:1
8:1
% Average Faculty w/Advanced Degree
95%
67%
Average Class Size
12 students
14 students
Average Number of AP Courses
11 courses
16 courses
Average SAT score
1312
(Out of 1600)
1289
Average ACT score
29
(Out of 36)
29

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$31,871
$26,485
Average Summer Program Cost
$550
$2,893
Average % on Financial Aid
58%
36%
Average Financial Aid Grant
$24,650
$17,137
Average Acceptance Rate
62%
71%
Average Endowment Size
$205.75 million
$83.44 million

Students by Ethnicity:

0.60
0.63
# American Indian Students
4 Students
187 Students
% American Indian Students
n/a
n/a
# Asian Students
166 Students
6,793 Students
% Asian Students
6%
5%
# Hispanic Students
95 Students
7,583 Students
% Hispanic Students
3%
6%
# Black Students
362 Students
8,704 Students
% Black Students
13%
7%
# White Students
1,676 Students
67,962 Students
% White Students
59%
55%
# Hawaiian Students
n/a
83 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
522 Students
33,443 Students
% of Others Students
19%
27%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
19 extracurriculars
13 extracurriculars
Average Number of Sports
8 sports
9 sports

Frequently Asked Questions

What are the top-ranked private schools in Milton, MA?
The top-ranked private schools in Milton, MA include St. Agatha School, St. Mary Of The Hills School, and Fontbonne.
How many private schools are located in Milton?
10 private schools are located in Milton.
How diverse are private schools in Milton?
Milton private schools are approximately 38% minority students, which is higher than the Massachusetts private school average of 31%.
What percentage of students in Milton go to private school?
37% of all K-12 students in Milton are educated in private schools (compared to the MA state average of 12%).
What percentage of private schools are religiously affiliated in Milton?
30% of private schools in Milton are religiously affiliated (most commonly Catholic).
Which private schools in Milton are often viewed compared to one another?

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