St. Louise De Marillac School

St. Louise de Marillac School offers a tradition of Gospel values, academic excellence and service to others.
Each child is cherished and nurtured to reach his/her fullest potential.

Quick Facts (2026)

  • Top-Ranked PA School
  • Grades: Prekindergarten-8
  • Enrollment: 563 students
  • Average class size: 25 students
  • Application Deadline: None / Rolling
  • Source: Verified school update

Top Rankings

St. Louise De Marillac School ranks among the top 20% of private schools in Pennsylvania for:

Category
Attribute
Student Body

School Overview

School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-8
School Calendar

Student Body

Total Students
563 students
Student Body Type
Co-ed
% Students of Color
2%
State avg.: 27%
Students by Grade

Academics and Faculty

Total Classroom Teachers
25 teachers
Student-Teacher Ratio
23:1
National avg.: 11:1
Average Class Size
25 students

Tuition and Acceptance Rate

Admission Deadline
None / Rolling

School Notes

  • Great Beginnings Last A Lifetime!
Source: Verified school update

Frequently Asked Questions

What schools are St. Louise De Marillac School often compared to?
St. Louise De Marillac School is often viewed alongside schools like Ave Maria Academy - Bethel Campus by visitors of our site.
What is St. Louise De Marillac School's ranking?
St. Louise De Marillac School ranks among the top 20% of private schools in Pennsylvania for: Largest student body.
When is the application deadline for St. Louise De Marillac School?
The application deadline for St. Louise De Marillac School is rolling (applications are reviewed as they are received year-round).

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Quick Facts (2026)

  • Top-Ranked PA School
  • Grades: Prekindergarten-8
  • Enrollment: 563 students
  • Average class size: 25 students
  • Application Deadline: None / Rolling
  • Source: Verified school update

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Did You Know?

The average private school tuition in Pittsburgh, PA is $13,263 for elementary schools and $18,149 for high schools (read more about average private school tuition across the country).
The average acceptance rate in Pittsburgh, PA is 67% (read more about average acceptance rates across the country).

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