St. Theresa Catholic School
Diocesan school · Grades K–8
Ashburn, VA
21370 St Theresa Ln, Ashburn, VA 20147
Overall grade: A+
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- AClass size
- B+Years serving families
- A+Diversity
What stands out
- The only Catholic school in Ashburn
- Smaller classes than 69% of Catholic schools in Virginia
- Serving families in Ashburn since at least 2011
In Ashburn, Virginia, St. Theresa Catholic School is a Catholic diocesan school for students from kindergarten through 8th grade. About 432 students attend, with roughly 11 students per teacher, smaller classes than 69% of Catholic elementary schools in Virginia. The school is part of the Diocese of Arlington. The school day runs about 7 hours, 183 days a year. Virginia has programs that can help pay tuition; ask the school whether it takes part.
At a glance
- Grades
- Grades K–8
- Students
- 432
- Teachers
- 39.4 (full-time equivalent)
- Students per teacher
- 11
- Boys and girls
- Coed · 223 girls, 209 boys
- Religious affiliation
- Catholic · Diocesan school
- Diocese
- Diocese of Arlington
- School day
- About 7 hours
- School year
- 183 days
- Library
- Yes
Reviews
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How it compares
- Smaller classes than 69% of Catholic elementary schools in Virginia (11 students per teacher).
- Larger than 80% of Catholic elementary schools in Virginia.
- Compared with 59 Catholic elementary schools in Virginia.
Students by survey year
Total students reported in official records since 2011–12.
Students by grade
Student body
Help paying tuition in Virginia
These state programs can help pay private school tuition. Only participating schools can accept them, so ask St. Theresa Catholic School whether it takes part.
- Education Improvement Scholarships Tax Credit · Tax-credit scholarship
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 Catholic School
What grades does St. Theresa Catholic School serve?
St. Theresa Catholic School serves grades K–8.
How many students attend St. Theresa Catholic School?
About 432 students, with 11 students per teacher, according to official records.
How much is tuition at St. Theresa Catholic School?
Call the school to ask about tuition, financial aid and payment plans. Virginia 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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