Very Good
#405 of 1,790 private schools in CA
Top 23% of private schools
St Pius X - St. Matthias High School
High School
7851 GARDENDALE ST, Downey, CA 90242
Estimated academic score. This school does not have standardized test data. Based on 23 schools in Downey. Learn more
Enrollment
451
Student-Teacher
15:1
Score
7.2
Grades
9th – 12th
Enrollment
451
Student-Teacher
15:1
Score
7.2
Grades
9th – 12th
Updated
2021-22
Updated 2021-22
How this school compares
In Downey
#1 of 6
public schools
California high schools
#78 of 277
Academic performance
7.1 / 10
Strong
About St Pius X - St. Matthias High School
ST PIUS X - ST. MATTHIAS HIGH SCHOOL serves 451 students in grades 9 through 12 in Downey, California. This regular public high school maintains a manageable class size environment with a 15.0:1 student-teacher ratio across its 30 full-time equivalent teaching staff.
The school earned a MySchoolScout rating of 7.5 out of 10, placing it at #1301 among California's 1790 high schools. While ranked in the 27th percentile statewide, the school continues to focus on supporting student development and academic growth within its suburban setting. Located on Gardendale Street, the school sits in Downey's 90242 zip code area, where families enjoy a median household income of $81,448.
The surrounding community reflects middle-class stability, with median home values of $634,800 and a relatively low poverty rate of 8.8%. About 23% of area residents hold bachelor's degrees or higher, indicating a community that values education and career development. The school's location provides students with the benefits of suburban living while remaining within reach of the greater Los Angeles area's educational and career opportunities.
ST PIUS X - ST. MATTHIAS HIGH SCHOOL operates within a stable, family-oriented community that supports student achievement in a large suburban setting.
What Parents Should Know
As a private school, St Pius X - St. Matthias High School operates independently from the local public school district. Families considering this school should inquire about tuition costs, financial aid availability, and the admissions process. Private schools are not required to follow the same curriculum standards as public schools, which can be either an advantage or a consideration depending on your priorities.
Compare to Public Schools
BetaHow St Pius X - St. Matthias High School compares to 9 public schools serving similar grades in Downey, CA
Student Demographics
Nearby High Schools
| School | Rating |
|---|---|
| St Pius X - St. Matthias High School (this school) | 7.2 |
| Warren (Earl) High | 6.7 |
| Downey High | 6.7 |
| Columbus (Christopher) High | 5.8 |
| Woodruff Academy | — |
| Kirby Dorothy Camp | 4.7 |
| Rockey Glenn Camp | 7.4 |
| Afflerbaugh-Paige Camp | 4.7 |
| Nidorf Barry J. | — |
| Road to Success Academy at Campus Kilpatrick | — |
Demographics sourced from NCES Private School Survey (PSS) and Common Core of Data (CCD). Comparisons are based on enrollment-weighted averages.
Score Breakdown
What This Rating Measures
This rating reflects classroom size, instructional time, student diversity, community resources, and school characteristics. Private schools are ranked against other private schools in CA.
Data Unavailable
View data sources
Score basis: Private school model
Data coverage: 80% of scoring components had data
Components scored: 4 of 5
Ranking pool: Private schools in CA
Test Scores
Test score data not yet available for this school.
Student Demographics NCES PSS (SY 2021-22)
Source: NCES Private School Survey (PSS)
Location
7851 GARDENDALE ST, Downey, CA 90242
Nearby Alternatives
Families considering St Pius X - St. Matthias High School may also want to explore other high schools in the area. Paramount High (rated 6.7/10, 1.3 miles away, in nearby Paramount), with a comparable rating. Another option is ST PIUS-ST. MATTHIAS ACADEMY (rated 6.3/10, in nearby Downy), with a comparable rating. Additionally, Vista High (rated 5.9/10, 1.1 miles away, in nearby Lynwood), a more accessible option. For more schools in Downey, see our Downey schools guide .
Nearby Schools
20 within 1.2 mi| School | Distance | Rating |
|---|---|---|
| ST PIUS-ST. MATTHIAS ACADEMY Downy | 0.0 mi | 6.3 |
| St. Pius X St. Matthias Academy Downey | 0.1 mi | — |
| RANCHO LOS AMIGOS CHILDRENS CENTER Downey | 0.4 mi | — |
| KID TOWN USA PRESCHOOL-MONTESSORI ACADEMY South Gate | 0.4 mi | — |
| Theodore Roosevelt Paramount | 0.6 mi | 5.4 |
| Hollydale South Gate | 0.8 mi | 7.0 |
| Imperial Elementary Downey | 0.8 mi | 5.2 |
| ST RAYMOND SCHOOL Downey | 0.9 mi | 6.1 |
| Paramount Unified Community Day Paramount | 1.2 mi | — |
| Paramount Park Middle Paramount | 1.3 mi | 7.0 |
| Old River Elementary Downey | 1.3 mi | 7.0 |
| Ward (E. W.) Elementary Downey | 1.1 mi | 3.7 |
| Paramount High Paramount | 1.3 mi | 6.7 |
| Harry Wirtz Elementary Paramount | 1.3 mi | 7.2 |
| Vista High Lynwood | 1.1 mi | 5.9 |
| Howard Tanner Paramount | 1.3 mi | 7.8 |
| Stauffer (Mary R.) Middle Downey | 1.4 mi | 7.6 |
| Our Lady of the Rosary School Paramount | 1.4 mi | — |
| OUR LADY OF THE ROSARY SCHOOL Paramount | 1.4 mi | 5.3 |
| Sussman (Edward A.) Middle Downey | 1.2 mi | 7.0 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 90242 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$83,238
Median Home Value
$676,100
Median Rent
$1,874/mo
Population
40,983
College Educated
24.2%
Homeownership
52.4%
Avg Commute
29.6 min
Poverty Rate
9.3%
Median Age
37.4
Community Profile
The community surrounding St Pius X - St. Matthias High School has a median household income of $83,238. It is a community where 24% of adults hold a bachelor's degree or higher. The median home value in the area is $676,100, with a median rent of $1,874/month. The local poverty rate of 9.3% is relatively low. The average commute for residents is 30 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Animo Watts College Preparatory Academy Los Angeles, CA | 7.2 |
| Central Coast New Tech High Nipomo, CA | 7.2 |
| Contreras Learning Center-Academic Leadership Community Los Angeles, CA | 7.2 |
| East Valley Senior High North Hollywood, CA | 7.2 |
| INTERNATIONAL SCHOOL OF LOS ANGELES-BURBANK Burbank, CA | 7.2 |
| Kearny College Connections San Diego, CA | 7.2 |
Frequently Asked Questions
Common questions about St Pius X - St. Matthias High School
What grades does St Pius X - St. Matthias High School serve?
St Pius X - St. Matthias High School serves students in grades 9th through 12th.
How many students attend St Pius X - St. Matthias High School?
St Pius X - St. Matthias High School has an enrollment of approximately 451 students.
What is the student-teacher ratio at St Pius X - St. Matthias High School?
The student-teacher ratio at St Pius X - St. Matthias High School is 15:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.
How does St Pius X - St. Matthias High School rank in CA?
St Pius X - St. Matthias High School is ranked #405 out of 1,790 private schools in CA.
What is St Pius X - St. Matthias High School's MySchoolScout rating?
St Pius X - St. Matthias High School has a composite rating of 7.2 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
Is St Pius X - St. Matthias High School a private school?
Yes, St Pius X - St. Matthias High School is a private coeducational school with a Roman Catholic affiliation. Private schools are not required to participate in state standardized testing, so academic performance data may be limited compared to public schools.
Is St Pius X - St. Matthias High School a religious school?
St Pius X - St. Matthias High School has a Roman Catholic religious affiliation.
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Neighborhood Context
Powered by 
FBI UCR. County-level only.
Quick Facts NCES PSS (SY 2021-22)
- Grades
- 9th – 12th
- Enrollment
- 451
- Gender Split
- 54% M / 46% F
- Student-Teacher Ratio
- 15:1
- Teachers (FTE)
- 30
- Type
- private
- Coed Status
- coed
- Affiliation
- Roman Catholic
- School Day
- 7.2 hours
- Days Per Year
- 180 days
- Setting
- Large Suburb
- County
- LOS ANGELES
- Phone
- (562) 861-2271
- Data Year
- 2022–2023
Resources & Links
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
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