St. Theresa School
Diocesan school · Grades Pre-K–8
Trumbull, CT
55 Rosemond Ter, Trumbull, CT 66113
Overall grade: A+
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- A-Class size
- A-Years serving families
- A+Diversity
What stands out
- The smallest classes of any Catholic school in Trumbull
- One of the most diverse private schools in Connecticut
- Serving families in Trumbull since at least 2011
In Trumbull, Connecticut, St. Theresa School is a Catholic diocesan school for students from pre-K through 8th grade. About 177 students attend, with roughly 13 students per teacher. Its enrollment has held steady since 2011–12. The school is part of the Diocese of Bridgeport. The school day runs about 6.5 hours, 180 days a year.
At a glance
- Grades
- Grades Pre-K–8
- Students
- 177
- Teachers
- 14.1 (full-time equivalent)
- Students per teacher
- 12.6
- Boys and girls
- Coed · 111 girls, 66 boys
- Religious affiliation
- Catholic · Diocesan school
- Diocese
- Diocese of Bridgeport
- School day
- About 6.5 hours
- School year
- 180 days
- Library
- Yes
Reviews
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How it compares
- Smaller classes than 52% of Catholic elementary schools in Connecticut (13 students per teacher).
- Larger than 52% 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
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. Theresa School
What grades does St. Theresa School serve?
St. Theresa School serves grades Pre-K–8.
How many students attend St. Theresa School?
About 177 students, with 13 students per teacher, according to official records.
How much is tuition at St. Theresa 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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