Private School Review - Established 2003
Chapel Hill Chauncy Hall School Top 10 · Oldest Founding Date (MA)
Milestones Day School Top 18 · Highest % Faculty w/ Adv. Degrees (MA)
Gann Academy-the New Jewish High School

Waltham Private Schools (2026-27)

For the 2026-27 school year, there are 4 private schools serving 956 students in Waltham, MA, 14% of all K-12 students in Waltham, MA are educated in private schools versus public schools (compared to the MA state average of 12%).
The average acceptance rate is 60%, which is lower than the Massachusetts private school average acceptance rate of 73%.
50% of private schools in Waltham, MA are religiously affiliated (most commonly Catholic and Jewish).

Quick Facts (2026-27)

  • # Private Schools: 4
  • # Students Served: 956
  • Average Tuition: $39,143
  • Average Class Size: 12 students
  • % Students of Color: 13%
  • View Waltham, MA School Trends

Quick Facts (2026-27)

  • # Private Schools: 4
  • # Students Served: 956
  • Average Tuition: $39,143
  • Average Class Size: 12 students
  • % Students of Color: 13%
  • View Waltham, MA School Trends

Top Ranked Waltham Private Schools (2026-27)

Chapel Hill Chauncy Hall School Photo
Chapel Hill Chauncy Hall School
Gr: 8-12 | 200 students
Avg. class size: 10 students
Sports: 11 | Extracurriculars: 26
785 Beaver Street
Waltham, MA 02452
(781) 314-0804
(1)
View Profile
Milestones Day School Photo
Milestones Day School
Gr: K-12 | 63 students
Avg. class size: 5 students
Extracurriculars: 4
Special Education School
410 Totten Pond Road
Waltham, MA 02451
(781) 895-3200
View Profile
Gann Academy-the New Jewish High School Photo
Gann Academy-the New Jewish High School
Gr: 9-12 | 321 students
Avg. class size: 16 students
Sports: 11
Specialized Curriculum (Jewish)
333 Forest Street
Waltham, MA 02452
(781) 642-6800
View Profile
Map of Our Ladys Academy
Our Ladys Academy
Gr: PK-8 | 372 students
Avg. class size: 18 students
Catholic
920 Trapelo Road
Waltham, MA 02452
(178) 189-9035
(2)
View Profile
[+] Show Closed Private Schools in Waltham, Massachusetts

Waltham, Massachusetts Private Schools (Closed)

Map of Bartlett School
Bartlett School
Gr: PK-6 | 92 students
1841 Trapelo Road
Waltham, MA 02451
(781) 890-1865
View Profile
Saint Jude School Photo
Saint Jude School
Gr: PK-8 | 153 students
Avg. class size: 15 students
Catholic
175 Main Street
Waltham, MA 02453
(781) 899-3644
(4)
View Profile

Waltham, MA Private School Trends (10-Year)

4
Private Schools
-33.3% (-2 schools) 10-yr
956
Students
-17.2% (-198 students) 10-yr
$39,143
Avg. Tuition
+9.2% (+$3,305) 10-yr
12
Avg. Class Size
+9.1% (+1 student) 10-yr
13%
Students of Color
-18.8% (-3.0 pp) 10-yr
6:1
Student-Teacher Ratio
+20.0% (+1.0) 10-yr
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Enrollment & Diversity
Category
This Town (Waltham)
This State (MA)
# Schools
4 Schools
853 Schools
# Students
956 Students
126,500 Students

Trends in the Average Number of Students Per Private School

YearWaltham, MA AvgMassachusetts (MA)National
2025239159179
2024239156172
2023215159174
2022227162185
2021212159180
2020212155171
2019212157175
2018212157172
2017218160180
2016193159178
2015192152167
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% Students of Color
13%
32%

Percentage of Students of Color Trends (2015-2025)

YearWaltham, MA AvgMassachusetts (MA)National
202513%31%34%
202413%29%34%
202329%30%33%
202226%29%33%
202124%28%32%
202024%27%32%
201924%26%31%
201824%25%31%
201716%26%32%
201616%27%32%
201516%28%32%
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0.42
0.63

Diversity Score Trends

YearWaltham, MA AvgMassachusetts (MA)National
20250.420.630.65
20240.420.630.65
20230.540.620.65
20220.630.600.64
20210.580.600.64
20200.580.590.64
20190.580.570.63
20180.580.580.63
20170.440.550.61
20160.460.550.61
20150.460.550.61
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Show more data/charts: racial breakdown
# American Indian Students
n/a
187 Students
% American Indian Students
n/a
n/a
# Asian Students
36 Students
6,792 Students
% Asian Students
4%
5%

Asian Student Percentage Trends

YearWaltham, MA AvgMassachusetts (MA)National
20254%6%5%
20244%6%5%
20236%6%5%
202215%7%4%
202111%6%4%
202011%7%4%
201911%6%4%
201811%5%4%
20174%6%4%
20164%5%4%
20154%5%4%
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# Hispanic Students
32 Students
7,577 Students
% Hispanic Students
3%
6%

Hispanic Student Percentage Trends

YearWaltham, MA AvgMassachusetts (MA)National
20253%6%9%
20243%6%9%
20236%6%9%
20221%5%8%
20212%5%9%
20202%5%9%
20192%5%8%
20182%5%8%
20173%4%8%
20164%4%8%
20154%5%8%
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# Black Students
32 Students
8,696 Students
% Black Students
3%
7%

Black Student Percentage Trends

YearWaltham, MA AvgMassachusetts (MA)National
20253%7%7%
20243%7%7%
20234%7%8%
20225%6%7%
20217%6%7%
20207%6%8%
20197%6%7%
20187%6%7%
20177%6%7%
20167%6%7%
20157%7%8%
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# White Students
729 Students
67,960 Students
% White Students
75%
55%

White Student Percentage Trends

YearWaltham, MA AvgMassachusetts (MA)National
202575%54%52%
202475%54%52%
202365%56%52%
202253%58%54%
202161%59%54%
202061%59%54%
201961%61%56%
201861%61%56%
201773%63%58%
201672%64%58%
201572%64%58%
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# Hawaiian Students
1 Student
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
142 Students
33,185 Students
% of Others Students
15%
27%

Other Races Student Percentage Trends

YearWaltham, MA AvgMassachusetts (MA)National
202515%27%26%
202415%27%26%
202316%25%25%
202226%24%25%
202119%24%25%
202019%23%24%
201919%22%24%
201819%23%23%
201713%21%22%
201613%21%22%
201513%19%21%
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All Ethnic Groups
Academics
# Teachers
159 Teachers
15,774 Teachers
Average Student-Teacher Ratio
6:1
8:1

Student-Teacher Ratio Trends (2015-2025)

YearWaltham, MA AvgMassachusetts (MA)National
20256:18:111:1
20246:18:111:1
20235:18:111:1
20226:18:111:1
20217:18:111:1
20207:18:112:1
20197:19:112:1
20187:19:112:1
20177:19:112:1
20165:19:112:1
20155:19:112:1
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% Average Faculty w/Advanced Degree
83%
67%

Percentage of Faculty With Advanced Degrees Trends (2015-2025)

YearWaltham, MA AvgMassachusetts (MA)National
202583%67%55%
202483%67%54%
202383%67%54%
202283%67%54%
202183%67%54%
202083%66%54%
201983%66%53%
201870%65%53%
201770%64%53%
201670%64%52%
201570%64%52%
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Average Class Size
12 students
14 students

Class Size Trends (2015-2025)

YearWaltham, MA AvgMassachusetts (MA)National
2025121415
2024101415
2023101415
2022101415
2021121415
2020121415
2019121415
2018121415
2017111415
2016111415
2015111415
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Average Number of AP Courses
8 courses
16 courses

Trends in Average Number of AP Courses Offered

YearWaltham, MA AvgMassachusetts (MA)National
202541613
202441512
202341411
202241511
202141411
202041411
201941311
201851311
201751310
201651210
201521110
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Average SAT score
1109
(Out of 1600)
1287

SAT Score Trends (2017-2025)

YearWaltham, MA AvgMassachusetts (MA)National
2025110912891233
2024110912911230
2023110912721228
2022110912661229
2021110912631229
2020110912541226
2019110912381226
2018115012351226
2017159012771233
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Average ACT score
23
(Out of 36)
29

ACT Score Trends (2017-2025)

YearWaltham, MA AvgMassachusetts (MA)National
2025232926
2024232926
2023232926
2022232926
2021232926
2020232925
2019232825
2018242825
2017242825
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Tuition & Aid
Average Yearly Tuition Cost
$39,143
$26,503

Tuition Cost Trends (2015-2025)

YearWaltham, MA AvgMassachusetts (MA)National
2025$36,810$26,485$15,012
2024$49,975$27,159$13,254
2023$49,975$25,129$12,626
2022$45,375$24,457$12,187
2021$32,675$22,623$11,800
2020$32,675$21,672$11,512
2019$32,675$20,983$11,293
2018$30,908$20,804$11,017
2017$42,725$20,615$10,708
2016$39,100$20,164$10,356
2015$35,838$19,785$9,939
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Average % on Financial Aid
42%
36%

Percent on Financial Aid Trends (2015-2025)

YearWaltham, MA AvgMassachusetts (MA)National
202547%36%34%
202447%36%34%
202347%37%34%
202237%36%33%
202137%35%33%
202037%35%32%
201937%34%31%
201834%33%30%
201734%32%30%
201627%31%29%
201527%31%28%
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Average Financial Aid Grant
$36,000
$17,671

Financial Aid Grant Trends (2017-2025)

YearWaltham, MA AvgMassachusetts (MA)National
2025$36,000$17,137$7,073
2024$36,000$16,262$6,930
2023$36,000$15,114$6,469
2022$40,176$14,744$6,289
2021$40,176$14,176$6,055
2020$40,176$14,234$5,921
2019$40,176$13,455$5,795
2018$38,530$12,706$5,456
2017$38,530$12,090$5,319
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Average Endowment Size
$3.86 million
$91.96 million

Endowment Trends (2017-2025)

YearWaltham, MA AvgMassachusetts (MA)National
2025$2 M$83 M$39 M
2024$2 M$105 M$39 M
2023$2 M$103 M$39 M
2022$2 M$100 M$40 M
2021$2 M$102 M$40 M
2020$2 M$104 M$40 M
2019$2 M$107 M$40 M
2018$2 M$127 M$43 M
2017$2 M$130 M$45 M
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Admissions & Athletics
Average Acceptance Rate
60%
73%

Acceptance Rate Trends (2017-2025)

YearWaltham, MA AvgMassachusetts (MA)National
202560%71%81%
202460%70%85%
202360%71%85%
202260%70%85%
202160%71%85%
202060%71%85%
201960%71%85%
201860%71%85%
201760%71%85%
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Average Number of Extracurriculars
15 extracurriculars
13 extracurriculars
Average Number of Sports
11 sports
9 sports

Frequently Asked Questions

What are the top ranked private schools in Waltham, MA?
The top ranked private schools in Waltham, MA include Milestones Day School, Our Ladys Academy, and Gann Academy-the New Jewish High School.
How many private schools are located in Waltham?
4 private schools are located in Waltham.
What percentage of students in Waltham go to private school?
14% of all K-12 students in Waltham are educated in private schools (compared to the MA state average of 12%).
What percentage of private schools are religiously affiliated in Waltham?
50% of private schools in Waltham are religiously affiliated (most commonly Catholic and Jewish).

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