St Pius-St. Matthias Academy
Downy · CA · Catholic religious-affiliated
Similar nearby schools
Most similar nearby schools
St Pius X - St. Matthias High School → St John Bosco → St Joseph High School → Verbum Dei High School → St Paul High School → Calvary Chapel Christian School → Cantwell Sacred Heart Of Mary → Gethsemane Baptist Christian School →Keep this page current
Work at St Pius-St. Matthias Academy? If this page is missing your newest school profile, matriculation list, or college acceptances, send us the links. We read the document, copy the figures exactly as published, and cite it on this page.
Send us links
Links only, please. We can't take file uploads, and we never publish a number without the document it came from.
By sending this you agree that we may email you about your request. We write by email only, and you can unsubscribe at any time.
How St Pius-St. Matthias Academy compares for families
What families should know about St Pius-St. Matthias Academy.
- ▸ LocallyCA trails the US average on NAEP 8th-grade math (−4 points). Stronger local schools matter even more.
- ▸ vs Similar SchoolsThe closest comparables nearby: St Pius X - St. Matthias High School, St John Bosco, St Joseph High School and 5 more. See the sidebar to compare side-by-side.
For Parents
Get alerts when St Pius-St. Matthias Academy's numbers change
New admissions results, enrollment shifts, test scores — a few alerts a year, no spam. Your email also saves your list across devices.
Objective, government-grade data — no school pays us for placement.
Not enough enrollment history on file to chart a trend for this school yet.
Most similar nearby high schools
The schools most like this one — same type, blended on distance and size — and where their enrollment is heading. These are the schools families here weigh against each other.
| School | Type | Miles | HS enrollment | Trend |
|---|---|---|---|---|
| St Pius X - St. Matthias High School Downey |
Private | 0.0 | 451 | +4.2% |
| St John Bosco Bellflower |
Private | 2.3 | 756 | — |
| St Joseph High School Lakewood |
Private | 4.7 | 461 | -18.4% |
| Verbum Dei High School Los Angeles |
Private | 5.4 | 319 | +6.3% |
| St Paul High School Santa Fe Springs |
Private | 6.5 | 434 | -30.0% |
| Calvary Chapel Christian School Downey |
Private | 2.6 | 566 | +0.5% |
| Cantwell Sacred Heart Of Mary Montebello |
Private | 7.0 | 342 | -23.3% |
| Gethsemane Baptist Christian School Long Beach |
Private | 3.9 | 67 | -18.3% |
At a glance
JSON · Using this page with an AI assistantSt Pius-St. Matthias Academy is a private high school in Downy, CA, enrolling 451 students in grades 9-12 in 2022.
Sources: National Center for Education Statistics (enrollment), the federal Civil Rights Data Collection and EDFacts, state education agencies where named, and the school's own published documents where named.
Questions families ask
How many students attend St Pius-St. Matthias Academy? St Pius-St. Matthias Academy is a private high school in Downy, CA, enrolling 451 students in grades 9-12 in 2022.
Analysis: Test Prep Gurus (High School Reach, highschoolreach.com). These figures may be quoted with attribution to Test Prep Gurus.
What does AI tell parents about St Pius-St. Matthias Academy?
When a parent asks an AI assistant about St Pius-St. Matthias Academy, the answer is built from a handful of sources, and Reach is often one of them. We will send the admissions office a short report on what AI says about St Pius-St. Matthias Academy and where it comes from. The first report is free.
Request the free report
Related reading
California · October 2, 2026
California · October 2, 2026
AP courses · October 2026