Holy Trinity Catholic School
Parish school · Grades Pre-K–8
Dallas, TX
3815 Oak Lawn Ave, Dallas, TX 75219
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
- Serving families in Dallas since at least 2011
In Dallas, Texas, Holy Trinity Catholic School is a Catholic parish school for students from pre-K through 8th grade. About 139 students attend, with roughly 9 students per teacher. It has been listed in official private school records since 2011–12. The school is part of the Diocese of Dallas. The school day runs about 7.5 hours, 176 days a year. Texas has programs that can help pay tuition; ask the school whether it takes part.
At a glance
- Grades
- Grades Pre-K–8
- Students
- 139
- Teachers
- 15 (full-time equivalent)
- Students per teacher
- 9.3
- Boys and girls
- Coed · 79 girls, 60 boys
- Religious affiliation
- Catholic · Parish school
- Diocese
- Diocese of Dallas
- School day
- About 7.5 hours
- School year
- 176 days
- Library
- Yes
Reviews
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How it compares
- Smaller classes than 57% of Catholic elementary schools in Texas (9 students per teacher).
- A smaller school: fewer students than 57% of Catholic elementary schools in Texas.
- Compared with 150 Catholic elementary schools in Texas.
Students by survey year
Total students reported in official records since 2011–12.
Students by grade
Student body
Member of
- National Catholic Educational Association
Help paying tuition in Texas
These state programs can help pay private school tuition. Only participating schools can accept them, so ask Holy Trinity Catholic School whether it takes part.
- Texas Education Freedom Accounts (TEFA) · Education savings account
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 Holy Trinity Catholic School
What grades does Holy Trinity Catholic School serve?
Holy Trinity Catholic School serves grades Pre-K–8.
How many students attend Holy Trinity Catholic School?
About 139 students, with 9 students per teacher, according to official records.
How much is tuition at Holy Trinity Catholic School?
Call the school to ask about tuition, financial aid and payment plans. Texas has programs that can help pay private school tuition; ask whether the school takes part.
Official record · Updated October 2026 · Official search · Something wrong? Tell us
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