Private School Review - Established 2003
New England Innovation Academy
Meadowbrook Child Garden
Marlborough KinderCare

Marlborough Private Schools (2026-27)

For the 2026-27 school year, there are 9 private schools serving 615 students in Marlborough, MA, 8% of all K-12 students in Marlborough, 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 71%.

Quick Facts (2026-27)

Quick Facts (2026-27)

Top Ranked Marlborough Private Schools (2026-27)

New England Innovation Academy Photo
New England Innovation Academy
Gr: 6-12 | 116 students
Avg. class size: 12 students
Sports: 8 | Extracurriculars: 17
Specialized Curriculum
280 Locke Drive
Marlborough, MA 01752
(508) 205-4270
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Hillside School Photo
Hillside School
Gr: K-9 | 145 students
Avg. class size: 12 students
Sports: 16 | Extracurriculars: 8
All-boys
404 Robin Hill Street
Marlborough, MA 01752
(508) 485-3483
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Map of The Cottage Childrens Center
The Cottage Childrens Center
Gr: PK-K | 90 students
Daycare / Preschool
197 Union St
Marlborough, MA 01752
(508) 485-2054
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Map of Glenhaven Academy
Glenhaven Academy
Gr: 6-12 | 35 students
Special Education School
56 Framingham Rd 58
Marlborough, MA 01752
(508) 745-9462
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Kiddie Time Educational Child Care Photo
Kiddie Time Educational Child Care
Gr: NS-PK
Daycare / Preschool
81 Hosmer St.
Marlborough, MA 01752
(508) 573-1745
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Marlborough KinderCare Photo
Marlborough KinderCare
Gr: NS-PK
Daycare / Preschool
496 Boston Post Rd E
Marlborough, MA 01752
(508) 229-4415
View Profile
Meadowbrook Child Garden Photo
Meadowbrook Child Garden
Gr: PK-K | 44 students
Daycare / Preschool
1110 Concord Rd
Marlborough, MA 01752
(508) 485-1975
(1)
View Profile
Next Generation Children's Centers Photo
Next Generation Children's Centers
Gr: NS-K | 120 students
Avg. class size: 20 students
Daycare / Preschool
201 Cedar Hill Street
Marlborough, MA 01752
(508) 480-9222
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Map of Our Future Learning Center
Our Future Learning Center
Gr: NS-PK | 65 students
Daycare / Preschool
515 Northboro Rd. W
Marlborough, MA 01752
(508) 460-1234
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[+] Show Closed Private Schools in Marlborough, Massachusetts

Marlborough, Massachusetts Private Schools (Closed)

Map of Guidepost Montessori at Marlborough
Guidepost Montessori at Marlborough
Gr: NS-K
Montessori School
19 Forest St
Marlborough, MA 01752
(866) 202-8593
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Map of Immaculate Conception School
Immaculate Conception School
Gr: PK-8 | 156 students
Catholic
25 Washington Ct
Marlborough, MA 01752
(508) 460-3400
View Profile
Map of St. Anne Montessori School
St. Anne Montessori School
Gr: PK-K | 36 students
Avg. class size: 36 students
Montessori School (Catholic)
720 Boston Post Road East
Marlborough, MA 01752
(508) 597-1416
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Marlborough, MA Private School Trends (10-Year)

9
Private Schools
-10.0% (-1 school) 10-yr
615
Students
-23.9% (-193 students) 10-yr
$39,333
Avg. Tuition
+702.7% (+$34,433) 10-yr
15
Avg. Class Size
-34.8% (-8 students) 10-yr
21%
Students of Color
-34.4% (-11.0 pp) 10-yr
11:1
Student-Teacher Ratio
Download town snapshot: CSV | XML | JSON Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission.
Enrollment & Diversity
Category
This Town (Marlborough)
This State (MA)
# Schools
9 Schools
852 Schools

Trends in Total Number of Private Schools

YearMarlborough, MA Total Schools
20259
202412
202311
202211
202111
202011
20199
20189
201710
201610
201510
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# Students
615 Students
126,399 Students

Trends in the Average Number of Students Per Private School

YearMarlborough, MA AvgMassachusetts (MA)National
202588159179
202489156172
202397159174
202291162185
202187159180
202085155171
201998157175
201897157172
2017101160180
2016100159178
201590152167
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% Students of Color
21%
31%

Percentage of Students of Color Trends (2015-2025)

YearMarlborough, MA AvgMassachusetts (MA)National
202521%31%34%
202436%29%34%
202334%30%33%
202228%29%33%
202127%28%32%
202024%27%32%
201925%26%31%
201825%25%31%
201726%26%32%
201626%27%32%
201532%28%32%
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0.62
0.63

Diversity Score Trends

YearMarlborough, MA AvgMassachusetts (MA)National
20250.620.630.65
20240.640.630.65
20230.600.620.65
20220.630.600.64
20210.630.600.64
20200.640.590.64
20190.610.570.63
20180.610.580.63
20170.640.550.61
20160.640.550.61
20150.640.550.61
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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
17 Students
6,792 Students
% Asian Students
4%
5%

Asian Student Percentage Trends

YearMarlborough, MA AvgMassachusetts (MA)National
20254%6%5%
20244%6%5%
20235%6%5%
20225%7%4%
20215%6%4%
20205%7%4%
20196%6%4%
20185%5%4%
20177%6%4%
20167%5%4%
20156%5%4%
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# Hispanic Students
14 Students
7,577 Students
% Hispanic Students
4%
6%

Hispanic Student Percentage Trends

YearMarlborough, MA AvgMassachusetts (MA)National
20254%6%9%
202410%6%9%
20238%6%9%
20226%5%8%
20216%5%9%
20206%5%9%
20193%5%8%
20184%5%8%
20174%4%8%
20164%4%8%
20155%5%8%
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# Black Students
18 Students
8,696 Students
% Black Students
5%
7%

Black Student Percentage Trends

YearMarlborough, MA AvgMassachusetts (MA)National
20255%7%7%
20244%7%7%
20233%7%8%
20224%6%7%
20214%6%7%
20204%6%8%
20193%6%7%
20183%6%7%
20174%6%7%
20164%6%7%
20154%7%8%
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# White Students
152 Students
67,960 Students
% White Students
40%
55%

White Student Percentage Trends

YearMarlborough, MA AvgMassachusetts (MA)National
202540%54%52%
202433%54%52%
202328%56%52%
202245%58%54%
202145%59%54%
202045%59%54%
201944%61%56%
201844%61%56%
201742%63%58%
201643%64%58%
201543%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
177 Students
33,222 Students
% of Others Students
47%
27%

Other Races Student Percentage Trends

YearMarlborough, MA AvgMassachusetts (MA)National
202547%27%26%
202449%27%26%
202356%25%25%
202240%24%25%
202140%24%25%
202040%23%24%
201944%22%24%
201844%23%23%
201743%21%22%
201642%21%22%
201542%19%21%
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All Ethnic Groups
Academics
# Teachers
31 Teachers
15,794 Teachers
Average Student-Teacher Ratio
11:1
8:1

Student-Teacher Ratio Trends (2015-2025)

YearMarlborough, MA AvgMassachusetts (MA)National
202511:18:111:1
20249:18:111:1
202311:18:111:1
20229:18:111:1
20218:18:111:1
20208:18:112:1
201911:19:112:1
201811:19:112:1
201711:19:112:1
201611:19:112:1
201511:19:112:1
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% Average Faculty w/Advanced Degree
54%
67%

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

YearMarlborough, MA AvgMassachusetts (MA)National
202554%67%55%
202460%67%54%
202355%67%54%
202259%67%54%
202159%67%54%
202057%66%54%
201933%66%53%
201833%65%53%
201733%64%53%
201633%64%52%
201525%64%52%
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Average Class Size
15 students
14 students

Class Size Trends (2015-2025)

YearMarlborough, MA AvgMassachusetts (MA)National
2025151415
2024201415
2023201415
2022201415
2021211415
2020211415
2019231415
2018231415
2017231415
2016231415
2015231415
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Tuition & Aid
Average Yearly Tuition Cost
$39,333
$26,745

Tuition Cost Trends (2015-2025)

YearMarlborough, MA AvgMassachusetts (MA)National
2025$48,500$26,485$15,012
2024$39,185$27,159$13,254
2023$39,185$25,129$12,626
2022$35,350$24,457$12,187
2021$4,900$22,623$11,800
2020$4,900$21,672$11,512
2019$4,900$20,983$11,293
2018$4,900$20,804$11,017
2017$4,900$20,615$10,708
2016$4,900$20,164$10,356
2015$4,900$19,785$9,939
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Average Summer Program Cost
$280
$2,802

Summer Program Cost Trends (2021-2025)

YearMarlborough, MA AvgMassachusetts (MA)National
2025$280$2,893$1,152
2024$280$2,670$1,128
2023$280$2,623$1,156
2022$280$2,725$1,102
2021$280$2,818$1,125
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Average % on Financial Aid
40%
36%

Percent on Financial Aid Trends (2015-2025)

YearMarlborough, MA AvgMassachusetts (MA)National
202541%36%34%
202441%36%34%
202341%37%34%
202241%36%33%
202141%35%33%
202041%35%32%
201932%34%31%
201832%33%30%
201731%32%30%
201631%31%29%
201536%31%28%
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Average Financial Aid Grant
$25,000
$17,671

Financial Aid Grant Trends (2020-2025)

YearMarlborough, MA AvgMassachusetts (MA)National
2025$25,000$17,137$7,073
2024$25,000$16,262$6,930
2023$25,000$15,114$6,469
2022$25,000$14,744$6,289
2021$25,000$14,176$6,055
2020$25,000$14,234$5,921
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Average Endowment Size
$5 million
$87.88 million

Endowment Trends (2020-2025)

YearMarlborough, MA AvgMassachusetts (MA)National
2025$5 M$83 M$39 M
2024$5 M$105 M$39 M
2023$5 M$103 M$39 M
2022$5 M$100 M$40 M
2021$5 M$102 M$40 M
2020$5 M$104 M$40 M
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Admissions & Athletics
Average Acceptance Rate
60%
71%

Acceptance Rate Trends (2023-2025)

YearMarlborough, MA AvgMassachusetts (MA)National
202550%71%81%
202450%70%85%
202350%71%85%
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Average Number of Extracurriculars
13 extracurriculars
13 extracurriculars
Average Number of Sports
12 sports
9 sports

Frequently Asked Questions

What are the top ranked private schools in Marlborough, MA?
The top ranked private schools in Marlborough, MA is Hillside School.
How many private schools are located in Marlborough?
9 private schools are located in Marlborough.
How diverse are private schools in Marlborough?
Marlborough private schools are approximately 21% minority students, which is lower than the Massachusetts private school average of 31%.
What percentage of students in Marlborough go to private school?
8% of all K-12 students in Marlborough are educated in private schools (compared to the MA state average of 12%).
Which private schools in Marlborough are often viewed compared to one another?

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