St. Pius X - St. Matthias High School Tuition: $13,140

St. Pius X - St. Matthias High School is a Roman Catholic private school in Downey, CA teaching grades 9-12. It reported 561 students and about 15.4 students for every teacher in the 2023-24 federal survey.

Paying for private school in California

No state program pays private school tuition. What California families can use instead.

Call (562) 861-2271 Visit website Directions Add to compare

School facts

Grades: 9-12
Students: 561
Teachers: 39
Students per teacher: 15.4
Student body: Coeducational
Program: Regular
Affiliation: Roman Catholic
Go on to a 4-year college: 98%
Setting: Suburb

These are the numbers the school gave the U.S. Department of Education for the 2023-24 school year, published in July 2026. The survey counts students in kindergarten to grade 12, not pre-K. Enrollment and staffing move every year, so ask the school for today’s figures. Where this comes from. Something wrong? Tell us and we will fix it.

St. Pius X - St. Matthias High School tuition

Published tuition (2026-27): grades 9 to 12: $13,140.

One tuition rate for all high school grades; merit and need-based aid are offered.

Tuition from St. Pius X - St. Matthias High School's website, checked October 5, 2026. Some grades or programs may cost more or less. Confirm with the school.

Tuition at nearby private schools

School	Published tuition	Year	Miles
St. John Bosco	$18,325	2026-27	2.3
Calvary Chapel Christian School	$9,630 to $14,326	2026-27	2.6

Each figure was read on that school's own website and is linked on its page. Ranges run from the lowest to the highest grade band.

Other private schools nearby

School	Grades	Students	Per teacher	Affiliation	Miles
Rancho Los Amigos Childrens Center	PreK-K	9	9	Nonsectarian	<1
Kid Town USA Preschool-Montessori Academy	PreK-Transitional K	23	23	Nonsectarian	<1
St. Dominic Savio School	K-8	305	19.1	Roman Catholic	2
Creative Beginnings Elementary	K-5	66	11	Nonsectarian	2
St. John Bosco	9-12	800	12.3	Roman Catholic, all-boys	2
Adventist Union School	K-8	48	16	Seventh-Day Adventist	2
Heritage Christian School - Bell Gardens	1-12	33	8.2	Pentecostal	3
Calvary Chapel Christian School	PreK-12	630	not reported	Christian (nondenominational)	3

Private schools

Keep looking

Do you run this school?

Fix anything that is off, and add what families ask us for most: tuition, open seats by grade, and photos. It is free.

Update this listing

Get one email when applications open

Most programs open once a year, and several ran out of money or seats in 2026. Pick your state and we will email you the day the next window opens, with the official link. That is the only email you get.

One email per application window. No calls, no sharing your details.