Cathedral School of St. Mary
Diocesan school · Grades Pre-K–8
Austin, TX
910 San Jacinto Blvd, Austin, TX 78701
Overall grade: B
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- BClass size
- A-Years serving families
- B+Diversity
What stands out
- Growing: enrollment up 51% since 2011–12
- Serving families in Austin since at least 2011
Cathedral School of St. Mary is a Catholic diocesan school in Austin, Texas, for students from pre-K through 8th grade. It has about 153 students and around 13 students per teacher. Enrollment has grown about 51% since 2011–12. The school is part of the Diocese of Austin. Students attend about 8.5 hours a day, 171 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
- 153
- Teachers
- 12 (full-time equivalent)
- Students per teacher
- 12.8
- Boys and girls
- Coed · 79 girls, 74 boys
- Religious affiliation
- Catholic · Diocesan school
- Diocese
- Diocese of Austin
- School day
- About 8.5 hours
- School year
- 171 days
- Library
- Yes
Reviews
Be the first to share what you love about Cathedral School of St. Mary.
How it compares
- Larger than 51% 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 Cathedral School of St. Mary 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 Cathedral School of St. Mary
What grades does Cathedral School of St. Mary serve?
Cathedral School of St. Mary serves grades Pre-K–8.
How many students attend Cathedral School of St. Mary?
About 153 students, with 13 students per teacher, according to official records.
How much is tuition at Cathedral School of St. Mary?
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
Other private schools nearby
Headwaters School
Montessori school · Grades Pre-K–12
One of the 3 largest Montessori schools in Texas
Austin, TX0.5 mi
Headwaters School
Independent school · Grades K–12
Growing: enrollment up 143% since 2015–16
Austin, TX0.5 mi
Mi Casita Montessori
Montessori school · Grades Pre-K–K
Smaller classes than 92% of preschools in Texas
Austin, TX0.9 mi
St. Austin Catholic School
Parish school · Grades Pre-K–8
Serving families in Austin since at least 2011
Austin, TX0.9 mi
Long-View Micro School
Alternative school · Grades 2–8
Smaller classes than 63% of independent schools in Texas
Austin, TX1.4 mi
Kirby Hall School
Independent school · Grades Pre-K–7
Small classes: about 6 students per teacher
Austin, TX1.6 mi