Hillside School
Independent school · Grades 4–9
Marlborough, MA
404 Robin Hill St, Marlborough, MA 01752
Overall grade: A+
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- AClass size
- A-Years serving families
- A+Diversity
What stands out
- The only independent school in Marlborough
- The only all-boys school in Marlborough
- Smaller classes than 67% of independent schools in Massachusetts
- Serving families in Marlborough since at least 2011
Hillside School is an independent private school in Marlborough, Massachusetts, for students from 4th grade through 9th grade. It has about 140 students and around 5 students per teacher, smaller classes than 67% of independent schools in Massachusetts. Its enrollment has held steady since 2011–12. The school is an all-boys school. Students attend about 5.5 hours a day, 185 days a year.
At a glance
- Grades
- Grades 4–9
- Students
- 140
- Teachers
- 29 (full-time equivalent)
- Students per teacher
- 4.8
- Boys and girls
- All boys
- Religious affiliation
- None (nonsectarian)
- School day
- About 5.5 hours
- School year
- 185 days
- Library
- Yes
Reviews
Be the first to share what you love about Hillside School.
How it compares
- Smaller classes than 67% of independent schools in Massachusetts (5 students per teacher).
- A smaller school: fewer students than 59% of independent schools in Massachusetts.
- Compared with 39 independent schools in Massachusetts.
Students by survey year
Total students reported in official records since 2011–12.
Students by grade
Student body
Member of
- National Association of Independent Schools
- The Association of Boarding Schools
Questions to ask on a tour
- What is tuition, and what does it include (books, fees, uniforms, trips)?
- Do you offer financial aid, sibling discounts or payment plans?
- Do you accept ESA, voucher or tax-credit scholarship funds?
- How big are classes in my child's grade?
- What support is there for students who need extra help or more challenge?
- Is the school accredited, and by whom?
- What do a typical day and a typical week look like?
- How does the school communicate with families?
Questions about Hillside School
What grades does Hillside School serve?
Hillside School serves grades 4–9.
How many students attend Hillside School?
About 140 students, with 5 students per teacher, according to official records.
How much is tuition at Hillside School?
Call the school to ask about tuition, financial aid and payment plans.
Official record · Updated October 2026 · Official search · Something wrong? Tell us
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