Immaculate Heart of Mary School
Independent Catholic school · Grades 1–12
Harvard, MA
282 Still River Rd, Harvard, MA 01451
Overall grade: A-
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- A-Class size
- B+Years serving families
- ADiversity
What stands out
- Growing: enrollment up 36% since 2015–16
Immaculate Heart of Mary School is an independent Catholic school in Harvard, Massachusetts, for students from 1st grade through 12th grade. It has about 135 students and around 9 students per teacher. Enrollment has grown about 36% since 2015–16. The school is part of the Diocese of Worcester. The school reports that about 80% of its graduates go on to four-year colleges. Students attend about 7 hours a day, 165 days a year.
At a glance
- Grades
- Grades 1–12
- Students
- 135
- Teachers
- 15 (full-time equivalent)
- Students per teacher
- 9
- Boys and girls
- Coed · 65 girls, 70 boys
- Religious affiliation
- Catholic · Independent Catholic school
- Diocese
- Diocese of Worcester
- School day
- About 7 hours
- School year
- 165 days
- Graduates going to 4-year colleges
- About 80% (the school's estimate for the class before the survey)
- Library
- Yes
Reviews
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How it compares
- Smaller classes than 50% of Catholic schools in Massachusetts (9 students per teacher).
- A smaller school: fewer students than 90% of Catholic schools in Massachusetts.
- Compared with 10 Catholic schools in Massachusetts.
Students by survey year
Total students reported in official records since 2015–16.
Students by grade
Student body
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 Immaculate Heart of Mary School
What grades does Immaculate Heart of Mary School serve?
Immaculate Heart of Mary School serves grades 1–12.
How many students attend Immaculate Heart of Mary School?
About 135 students, with 9 students per teacher, according to official records.
How much is tuition at Immaculate Heart of Mary 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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