St. Louise De Marillac School
Diocesan school · Grades Pre-K–8
Pittsburgh, PA
310 McMurray Rd, Pittsburgh, PA 15241
Overall grade: B-
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- B-Class size
- A-Years serving families
- BDiversity
What stands out
- Serving families in Pittsburgh since at least 2011
In Pittsburgh, Pennsylvania, St. Louise De Marillac School is a Catholic diocesan school for students from pre-K through 8th grade. About 511 students attend, with roughly 20 students per teacher. Its enrollment has held steady since 2011–12. The school is part of the Diocese of Pittsburgh. The school day runs about 6.5 hours, 180 days a year. Pennsylvania has programs that can help pay tuition; ask the school whether it takes part.
At a glance
- Grades
- Grades Pre-K–8
- Students
- 511
- Teachers
- 25.5 (full-time equivalent)
- Students per teacher
- 20
- Boys and girls
- Coed · 177 girls, 334 boys
- Religious affiliation
- Catholic · Diocesan school
- Diocese
- Diocese of Pittsburgh
- School day
- About 6.5 hours
- School year
- 180 days
- Library
- Yes
Reviews
Be the first to share what you love about St. Louise De Marillac School.
How it compares
- Larger than 97% of Catholic elementary schools in Pennsylvania.
- Compared with 243 Catholic elementary schools in Pennsylvania.
Students by survey year
Total students reported in official records since 2011–12.
Students by grade
Student body
Help paying tuition in Pennsylvania
These state programs can help pay private school tuition. Only participating schools can accept them, so ask St. Louise De Marillac School whether it takes part.
- Opportunity Scholarship Tax Credit (OSTC) · 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. Louise De Marillac School
What grades does St. Louise De Marillac School serve?
St. Louise De Marillac School serves grades Pre-K–8.
How many students attend St. Louise De Marillac School?
About 511 students, with 20 students per teacher, according to official records.
How much is tuition at St. Louise De Marillac School?
Call the school to ask about tuition, financial aid and payment plans. Pennsylvania 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
Westminster Child Development Center
Early childhood program · Grades Pre-K–K
One of 11 preschools in Pittsburgh
Pittsburgh, PA1.6 mi
Ave Maria Academy - Bethel Campus
Diocesan school · Grades Pre-K–8
One of 17 Catholic schools in Pittsburgh
Pittsburgh, PA2.1 mi
Montessori Childrens Schoolhouse
Montessori school · Grades Pre-K–K
Smaller classes than 98% of preschools in Pennsylvania
Bridgeville Rvd, PA2.4 mi
Kinder Care Learning Center
Early childhood program · Grades Pre-K–K
Small classes: about 7 students per teacher
Mount Lebanon, PA2.8 mi
Hillcrest Christian Academy
Christian school (nondenominational) · Grades Pre-K–12
Smaller classes than 81% of Christian schools in Pennsylvania
Bethel Park, PA2.8 mi
Kinder Care Learning Center
Early childhood program · Kindergarten only
Small classes: about 7 students per teacher
McMurray, PA3.3 mi