St. Mary School
Diocesan school · Grades Pre-K–8
Milford, CT
72 Gulf St, Milford, CT 06460
Overall grade: B
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- BClass size
- A-Years serving families
- A-Diversity
What stands out
- Growing: enrollment up 50% since 2011–12
- Serving families in Milford since at least 2011
In Milford, Connecticut, St. Mary School is a Catholic diocesan school for students from pre-K through 8th grade. About 311 students attend, with roughly 15 students per teacher. Enrollment is up about 50% since 2011–12. The school is part of the Archdiocese of Hartford. The school day runs about 6 hours, 185 days a year.
At a glance
- Grades
- Grades Pre-K–8
- Students
- 311
- Teachers
- 20.6 (full-time equivalent)
- Students per teacher
- 15.1
- Boys and girls
- Coed · 168 girls, 143 boys
- Religious affiliation
- Catholic · Diocesan school
- Diocese
- Archdiocese of Hartford
- School day
- About 6 hours
- School year
- 185 days
Reviews
Be the first to share what you love about St. Mary School.
How it compares
- Larger than 94% of Catholic elementary schools in Connecticut.
- Compared with 50 Catholic elementary schools in Connecticut.
Students by survey year
Total students reported in official records since 2011–12.
Students by grade
Student body
Member of
- National Catholic Educational Association
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 St. Mary School
What grades does St. Mary School serve?
St. Mary School serves grades Pre-K–8.
How many students attend St. Mary School?
About 311 students, with 15 students per teacher, according to official records.
How much is tuition at St. 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
Other private schools nearby
Academy of Our Lady of Mercy, Lauralton Hall
Independent Catholic school · Grades 9–12
The only all-girls school in Milford
Milford, CT0.9 mi
The Foundation School High School
Special education school · Grades 10–12
Small classes: about 6 students per teacher
Milford, CT1.5 mi
Woodhouse Academy
Special education school · Grades 7–12
Smaller classes than 88% of special education schools in Connecticut
Milford, CT3.0 mi
Milestones Behavioral Services
Special education school · Grades 1–12
Small classes: about 6 students per teacher
Orange, CT3.4 mi
The Foundation School Orange
Special education school · Grades 3–12
Serving families in Orange since at least 2011
Orange, CT4.3 mi
St. James School
Parish school · Grades Pre-K–8
Smaller classes than 64% of Catholic schools in Connecticut
Stratford, CT5.0 mi