St. Pius-st. Matthias Academy

St. Pius X - St. Matthias Academy is a coeducational private, Catholic high school for grades 9–12 located in Downey, California.
It is operated by the Roman Catholic Archdiocese of Los Angeles and accredited by the Western Association of Schools and Colleges and the Western Catholic Educational Association.

Quick Stats (2025)

  • Top Ranked CA School
  • Grades: 9-12
  • Enrollment: 451 students
  • Yearly Tuition: $11,800
  • Application Deadline: None / Rolling
  • Source: National Center for Education Statistics (NCES)

Top Rankings

St. Pius-st. Matthias Academy ranks among the top 20% of private schools in California for:

Category
Attribute

School Overview

Religious Affiliation
Grades Offered
Grades 9-12
Year Founded
2013
Colors
Grey, Crimson
School Calendar
Campus Size
17

Student Body

Total Students
451 students
Student Body Type
Co-ed
% Students of Color
26%
State avg.: 51%
Students by Grade
St. Pius-st. Matthias Academy Student By Grade

Academics and Faculty

Total Classroom Teachers
30 teachers
Student : Teacher Ratio
15:1
National avg.: 13:1

Tuition and Acceptance Rate

Admission Deadline
None / Rolling
Yearly Tuition Cost
Application URL

School Notes

  • School Motto: Pride – Virtue – Purpose
  • Sample of notable school alumni/alumnae:
    • -
Source: National Center for Education Statistics (NCES)

Frequently Asked Questions

How much does St. Pius-st. Matthias Academy cost?
St. Pius-st. Matthias Academy's tuition is approximately $11,800 for private students.
Who are famous alumni from St. Pius-st. Matthias Academy?
St. Pius-st. Matthias Academy famous alumni include: .
What is St. Pius-st. Matthias Academy's ranking?
St. Pius-st. Matthias Academy ranks among the top 20% of private schools in California for: Largest student body.
When is the application deadline for St. Pius-st. Matthias Academy?
The application deadline for St. Pius-st. Matthias Academy is rolling (applications are reviewed as they are received year-round).

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Quick Stats (2025)

  • Top Ranked CA School
  • Grades: 9-12
  • Enrollment: 451 students
  • Yearly Tuition: $11,800
  • Application Deadline: None / Rolling
  • Source: National Center for Education Statistics (NCES)

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Did You Know?

The average private school tuition in California is $17,170 for elementary schools and $22,958 for high schools (read more about average private school tuition across the country).
The average acceptance rate in California is 80% (read more about average acceptance rates across the country).

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