ChooseAPrivateSchool.com Español

Holy Trinity Catholic Academy

Diocesan school · Grades Pre-K–8

Shelton, CT

503 Shelton Ave, Shelton, CT 06484

Overall grade: A+

ChooseAPrivateSchool.com grade, from official facts compared with similar schools.

  • AClass size
  • A-Years serving families
  • A-Diversity

What stands out

  • Smaller classes than 82% of Catholic schools in Connecticut
  • Serving families in Shelton since at least 2011

In Shelton, Connecticut, Holy Trinity Catholic Academy is a Catholic diocesan school for students from pre-K through 8th grade. About 120 students attend, with roughly 9 students per teacher, smaller classes than 82% of Catholic elementary schools in Connecticut. It has been listed in official private school records 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
120
Teachers
13.9 (full-time equivalent)
Students per teacher
8.6
Boys and girls
Coed · 62 girls, 58 boys
Religious affiliation
Catholic · Diocesan school
School day
About 6.5 hours
School year
180 days

Reviews

Be the first to share what you love about Holy Trinity Catholic Academy.

    How it compares

    • Smaller classes than 82% of Catholic elementary schools in Connecticut (9 students per teacher).
    • A smaller school: fewer students than 80% of Catholic elementary schools in Connecticut.
    • Compared with 50 Catholic elementary schools in Connecticut.

    Students by survey year

    241’11–12197’13–14175’15–16175’17–18128’19–20160’21–22120’23–24

    Total students reported in official records since 2011–12.

    Students by grade

    Pre-K22
    K17
    112
    213
    316
    413
    511
    614
    716
    88

    Student body

    White73%
    Hispanic or Latino15%
    Black9%
    Two or more races2%
    Asian1%

    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?

    More questions to ask →

    Questions about Holy Trinity Catholic Academy

    What grades does Holy Trinity Catholic Academy serve?

    Holy Trinity Catholic Academy serves grades Pre-K–8.

    How many students attend Holy Trinity Catholic Academy?

    About 120 students, with 9 students per teacher, according to official records.

    How much is tuition at Holy Trinity Catholic Academy?

    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, CT2.7 mi

    B+Overall grade741 students14 students per teacher

    St. Catherine of Siena School

    Diocesan school · Grades Pre-K–8

    Serving families in Trumbull since at least 2011

    Trumbull, CT3.6 mi

    BOverall grade195 students15 students per teacher

    Christian Heritage School

    Christian school (nondenominational) · Grades K–12

    The only Christian school in Trumbull

    Trumbull, CT4.6 mi

    AOverall grade407 students12 students per teacher

    The Foundation School Orange

    Special education school · Grades 3–12

    Serving families in Orange since at least 2011

    Orange, CT4.9 mi

    B+Overall grade26 students13 students per teacher

    Assumption School

    Parish school · Grades Pre-K–8

    Serving families in Ansonia since at least 2011

    Ansonia, CT5.0 mi

    B+Overall grade163 students14 students per teacher

    St. Theresa School

    Diocesan school · Grades Pre-K–8

    The smallest classes of any Catholic school in Trumbull

    Trumbull, CT5.7 mi

    A+Overall grade177 students13 students per teacher