Gann Academy-the New Jewish High School Photo - Gann student showcases his photography.

Best Waltham Private High Schools (2026)

For the 2026 school year, there are 3 private high schools serving 584 students in Waltham, MA.
The top-ranked private high schools in Waltham, MA include Milestones Day School, Chapel Hill Chauncy Hall School, and Gann Academy-the New Jewish High School.
The average acceptance rate is 60%, which is lower than the Massachusetts private high school average acceptance rate of 62%.
33% of private high schools in Waltham, MA are religiously affiliated (most commonly Jewish).

Top-Ranked Waltham Private High Schools (2026)

School
Location
Quick Facts
Milestones Day School
Milestones Day School Photo - Milestones Day School
Special Education School
410 Totten Pond Road
Waltham, MA 02451
(781) 895-3200
Gr: K-12 | 63 students Avg. class size: 5 students Extracurrculars: 4
785 Beaver Street
Waltham, MA 02452
(781) 314-0804
Gr: 7-12 | 200 students Avg. class size: 10 students Sports: 11 | Extracurrculars: 26 Tuition & acceptance rate listed
Gann Academy-the New Jewish High School
Gann Academy-the New Jewish High School Photo - Gann students volunteer at Cradles to Crayons in Boston.
Special Program Emphasis (Jewish)
333 Forest Street
Waltham, MA 02452
(781) 642-6800
Gr: 9-12 | 321 students Avg. class size: 16 students Sports: 11 Tuition listed
[+] Show Closed Private Schools in Waltham, Massachusetts

Waltham, Massachusetts Private Schools (Closed)

School
Location
Quick Facts
1841 Trapelo Road
Waltham, MA 02451
(781) 890-1865
Gr: PK-6 | 92 students
175 Main Street
Waltham, MA 02453
(781) 899-3644
Gr: PK-8 | 153 students Avg. class size: 15 students Tuition listed

Overview

This Town (Waltham)
This State (MA)
# Schools
3 Schools

Student Body:

# Students
584 Students
57,195 Students
% Average Students of Color
10%
27%

Academics and Faculty:

# Teachers
121 Teachers
8,486 Teachers
Average Student-Teacher Ratio
5:1
6:1
% Average Faculty w/Advanced Degree
83%
70%
Average Class Size
10 students
12 students
Average Number of AP Courses
4 courses
16 courses
Average SAT score
1109
(Out of 1600)
1289
Average ACT score
23
(Out of 36)
29

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$49,975
$40,829
Average % on Financial Aid
47%
39%
Average Financial Aid Grant
$36,000
$27,641
Average Acceptance Rate
60%
62%
Average Endowment Size
$2.86 million
$112.36 million

Students by Ethnicity:

0.31
0.52
# American Indian Students
n/a
127 Students
% American Indian Students
n/a
n/a
# Asian Students
23 Students
4,063 Students
% Asian Students
4%
7%
# Hispanic Students
7 Students
3,645 Students
% Hispanic Students
1%
6%
# Black Students
18 Students
3,816 Students
% Black Students
3%
7%
# White Students
494 Students
39,391 Students
% White Students
82%
67%
# Hawaiian Students
1 Student
35 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
57 Students
7,401 Students
% of Others Students
10%
13%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
15 extracurriculars
20 extracurriculars
Average Number of Sports
11 sports
12 sports

Frequently Asked Questions

What are the top-ranked private high schools in Waltham, MA?
The top-ranked private high schools in Waltham, MA include Milestones Day School, Chapel Hill Chauncy Hall School, and Gann Academy-the New Jewish High School.
How many private high schools are located in Waltham?
3 private high schools are located in Waltham.
What percentage of private high schools are religiously affiliated in Waltham?
33% of private high schools in Waltham are religiously affiliated (most commonly Jewish).

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