Private school

St. Pius X - St. Matthias High School

Downey · 9–12 · 451 students, not counting pre-K (2021-22) · 15 students per teacher (2021-22)

A 9–12 private school in Downey. The College Board's 2025–26 course audit lists 4 AP subjects here.

California private schools don’t take the state tests, so there are no results we can fairly compare. We don’t score or rank private schools.

School fit

What would my child’s experience be like?

Survey classification
Catholic (Private Order)
NCES survey 2021-22
Affiliation
Roman Catholic
NCES survey 2021-22
Reported school day
7.2 hours
NCES survey 2021-22 · confirm current hours

Use the dated record as a starting point, then ask the school about the grades your child would attend.

  1. Which courses and career pathways are running this year, and who can enroll?
  2. How do counselors help students plan for college, training or work?
Courses and opportunities

What could my child study here?

AP course authorizations

College Board AP Course Audit Ledger · 2025 - 2026. Authorization does not confirm this term’s schedule, access or enrollment.

Math & Computer Science 1
  • Calculus AB
English 1
  • English Literature and Composition
History & Social Science 1
  • World History: Modern
Arts 1
  • Drawing
Ask before choosing courses

Which courses will run when my child attends, what prerequisites apply, and how do students get support entering advanced or career pathways?

After graduation

Do students finish prepared, and where do they go?

A closer look · UC’s own records

University of California

Fall 2025 first-year entry · counts, not a school rating

Applied
52
Admitted
39
Enrolled
12

By campus · fall 2025

  • UC IrvineApplied 41 · Admitted 6 · Enrolled under 3
  • UCLAApplied 37 · Admitted 3 · Enrolled under 3
  • UC San DiegoApplied 29 · Admitted 8 · Enrolled under 3
  • UC RiversideApplied 26 · Admitted 23 · Enrolled 4
  • UC Santa BarbaraApplied 26 · Admitted 9 · Enrolled under 3
  • UC BerkeleyApplied 25 · Admitted 4 · Enrolled under 3
  • UC MercedApplied 18 · Admitted 17 · Enrolled under 3
  • UC Santa CruzApplied 14 · Admitted 10 · Enrolled under 3
  • UC DavisApplied 12 · Admitted 4 · Enrolled under 3

These records don’t show the school’s effect on admission. A student can apply to several campuses, so campus counts don’t add up to the total. UC blanks counts under 5 applicants or under 3 admits or enrollees; “+” marks a partial count; a dash is unavailable. Source: UC admissions by source school.

Each fall since 2016
  • Fall 2025Applied 52 · Admitted 39 · Enrolled 12
  • Fall 2024Applied 64 · Admitted 35 · Enrolled 14
  • Fall 2023Applied 51 · Admitted 26 · Enrolled 12
  • Fall 2022Applied 32 · Admitted 16 · Enrolled 4
  • Fall 2021Applied 38 · Admitted 28 · Enrolled 10
  • Fall 2020Applied 41 · Admitted 27 · Enrolled 14
  • Fall 2019Applied 29 · Admitted 17 · Enrolled 14
  • Fall 2018Applied 26 · Admitted 18 · Enrolled 7
  • Fall 2017Applied 13 · Admitted 5 · Enrolled under 3
  • Fall 2016Applied 10 · Admitted 5 · Enrolled 3

Admissions and cost

Could this school work for our family?

Approach and support
How would teaching, student support and school expectations work for my child?
Tuition and financial aid
What is the total annual cost, including fees, and how does financial aid work?
Admissions and availability
Which grades have openings, and what are the application steps and dates?
More questions for admissions
  1. Which tests do students take, and how do they do?Private schools don’t take California’s state tests. Ask which tests they give and for the school’s overall results.
  2. How do you teach students at different levels?Ask how they challenge students who are ahead and help students who need more support.
  3. How many students leave each year, and why?If many families leave, ask what they told the school.
  4. Where do students go after they finish here?Ask for the list of schools or colleges recent graduates went on to.
  5. What is the full cost, and what financial aid is there?Ask about every fee on top of tuition, and how aid is decided.
  6. Who accredits the school?Accreditation means an outside group reviewed the school. Ask which group, and when it last visited.

Location and visiting

Get directions ↗
7851 Gardendale St, Downey 90242

Directory location · Explore nearby schools on the map. Confirm address eligibility and visit arrangements with the school.

Call (562) 861-2271 to ask about a visit.

Public schools nearby

Public schools carry their own ratings; we don’t rank this private school against them.

Public elementary schools nearbyStatewide percentile
Public middle schools nearbyStatewide percentile
Public high schools nearbyStatewide percentile

Each percentile compares a school with California schools at its own level.

The record

From the federal private-school survey

We have no state test results, attendance, discipline, tuition or admissions figures for this school.

Common questions

Why doesn't St. Pius X - St. Matthias High School have a Scope Score?

Private schools don't take California's state tests (CAASPP), so there is no state testing data for St. Pius X - St. Matthias High School to score. SchoolScope gives private schools no Scope Score, performance band, or rank.

Where do St. Pius X - St. Matthias High School's directory facts come from?

The enrollment, grade-span, and student–teacher figures shown here, when present, come from the NCES Private School Universe Survey 2021-22. That survey-period record is not a current enrollment or inspection report.

What AP courses are offered at St. Pius X - St. Matthias High School?

St. Pius X - St. Matthias High School had own-school AP authorizations for 4 of the 40 subjects in the College Board's 2025–26 AP program: Calculus AB, Drawing, English Literature and Composition, World History: Modern. The audit does not establish that a section ran that year or how students performed on AP exams.

Data source: NCES Private School Universe Survey · Explore all schools