For the 2025-26 school year, there are 3 private high schools serving 296 students in Marlborough, MA.
The top ranked private high school in Marlborough, MA is Hillside School.
The average acceptance rate is 50%, which is lower than the Massachusetts private high school average acceptance rate of 62%.
Top Ranked Marlborough Private High Schools (2025-26)
School
Location
Quick Facts
New England Innovation Academy![New England Innovation Academy Photo New England Innovation Academy Photo]()

Special Program Emphasis
280 Locke Drive
Marlborough, MA 01752
(508) 205-4270
Marlborough, MA 01752
(508) 205-4270
Gr: 6-12 | 116 students Avg. class size: 12 students Sports: 8 | Extracurrculars: 17 Tuition & acceptance rate listed
Hillside School![Hillside School Photo - Soccer and lacrosse play on our new turf. Hillside School Photo - Soccer and lacrosse play on our new turf.]()

All-boys
404 Robin Hill Street
Marlborough, MA 01752
(508) 485-3483
Marlborough, MA 01752
(508) 485-3483
Gr: 4-9 | 145 students Avg. class size: 12 students Sports: 14 | Extracurrculars: 8 Tuition listed
Glenhaven Academy
Special Education School
56 Framingham Rd 58
Marlborough, MA 01752
(508) 745-9462
Marlborough, MA 01752
(508) 745-9462
Gr: 6-12 | 35 students
Marlborough, Massachusetts Private Schools (Closed)
School
Location
Quick Facts
25 Washington Ct
Marlborough, MA 01752
(508) 460-3400
Marlborough, MA 01752
(508) 460-3400
Gr: PK-8 | 156 students
St. Anne Montessori School (Closed 2013)
Montessori School (Catholic)
720 Boston Post Road East
Marlborough, MA 01752
(508) 597-1416
Marlborough, MA 01752
(508) 597-1416
Gr: PK-K | 36 students Avg. class size: 36 students Tuition listed
Frequently Asked Questions
What are the top ranked private high schools in Marlborough, MA?
The top ranked private high schools in Marlborough, MA is Hillside School.
How many private high schools are located in Marlborough?
3 private high schools are located in Marlborough.
Recent Articles
Financial Aid Overlooked at Two-Year Colleges: What Private School Parents Should Know
Parents from private schools often miss key financial aid opportunities at two-year colleges. Discover what to know in 2025 for smart planning
How to Budget Tuition: Private School vs Community College Early Years
Learn how to budget and compare tuition for private school and community college during early years, with up-to-date strategies and insights for 2025.
Why Private-School Families Should Consider a Community College Start
A practical guide for private-school families exploring starting at a community college to save money, build flexibility and stay transfer-ready.


