St. Catherine of Siena School
Diocesan school · Grades Pre-K–8
Trumbull, CT
190 Shelton Rd, Trumbull, CT 06611
Overall grade: B
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- BClass size
- A-Years serving families
- B+Diversity
What stands out
- Serving families in Trumbull since at least 2011
In Trumbull, Connecticut, St. Catherine of Siena School is a Catholic diocesan school for students from pre-K through 8th grade. About 195 students attend, with roughly 15 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
- 195
- Teachers
- 13.4 (full-time equivalent)
- Students per teacher
- 14.6
- Boys and girls
- Coed · 100 girls, 95 boys
- Religious affiliation
- Catholic · Diocesan school
- Diocese
- Diocese of Bridgeport
- School day
- About 6.5 hours
- School year
- 180 days
- Library
- Yes
Reviews
Be the first to share what you love about St. Catherine of Siena School.
How it compares
- Larger than 66% 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. Catherine of Siena School
What grades does St. Catherine of Siena School serve?
St. Catherine of Siena School serves grades Pre-K–8.
How many students attend St. Catherine of Siena School?
About 195 students, with 15 students per teacher, according to official records.
How much is tuition at St. Catherine of Siena 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
St. Joseph High School
Diocesan school · Grades 9–12
One of the 3 largest Catholic schools in Connecticut
Trumbull, CT1.2 mi
Christian Heritage School
Christian school (nondenominational) · Grades K–12
The only Christian school in Trumbull
Trumbull, CT1.5 mi
Fairfield County SDA School
Seventh-day Adventist school · Grades K–8
Small classes: about 8 students per teacher
Bridgeport, CT3.0 mi
St. Theresa School
Diocesan school · Grades Pre-K–8
The smallest classes of any Catholic school in Trumbull
Trumbull, CT3.5 mi
Holy Trinity Catholic Academy
Diocesan school · Grades Pre-K–8
Smaller classes than 82% of Catholic schools in Connecticut
Shelton, CT3.6 mi
St. Andrew Academy
Diocesan school · Grades Pre-K–8
Serving families in Bridgeport since at least 2011
Bridgeport, CT3.9 mi