# St Pius X - St. Matthias High School

*Machine-readable school profile — served at https://us.ca.whatschool.ai/en/ca/school/st-pius-x-st-matthias-high-school-downey/llm*

Full profile (human-readable): https://us.ca.whatschool.ai/en/ca/school/st-pius-x-st-matthias-high-school-downey

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## Core identification
- **NCES School ID**: `PSS_BB200080`
- **School name**: St Pius X - St. Matthias High School
- **Location**: Downey, CA 90242
- **Address**: 7851 Gardendale St
- **District**: Religious: Catholic
- **Sector**: Private
- **School type**: Regular
- **School level**: High
- **Grade range**: 9–12
- **Coordinates**: 33.91920, -118.16015
- **Phone**: 562-861-2271

## Enrollment (latest)
- **Students**: N/A
- **Teachers (FTE)**: N/A

## Neighbourhood (ACS 2019-2023)
- **Median household income**: $88,031
- **Poverty rate**: 3.3%
- **Bachelor's degree or higher**: 31.0%
- **Unemployment**: 1.2%
- **Median gross rent**: $1,902
- **Foreign-born residents**: 33.2%
- **Single-parent households**: 20.2%

## Environmental context
- **Nearest Superfund (NPL)**: 2.1 miles (SOUTHERN AVENUE INDUSTRIAL AREA)
- **Toxic Release Inventory sites within 1 mile**: 9
- **TRI sites within 5 miles**: 190
- **Nearest brownfield**: 0.22 miles (SOUTH GATE FORMER RANCHO MARKET SITE)

### Water safety
- **Public water system**: DOWNEY - CITY, WATER DEPT.
- **SDWA health violations (10 yr)**: 2
- **Acute violations (10 yr)**: 0
- **Most recent violation**: 2018-02-01

### Air quality
- **PM2.5 annual average**: 12.6294 μg/m³ (EPA std: 9)
- **Nearest monitor**: 2.9 miles

## Related data feeds
- **Profile (human)**: https://us.ca.whatschool.ai/en/ca/school/st-pius-x-st-matthias-high-school-downey
- **Performance**: https://us.ca.whatschool.ai/en/ca/school/st-pius-x-st-matthias-high-school-downey/performance
- **Finance**: https://us.ca.whatschool.ai/en/ca/school/st-pius-x-st-matthias-high-school-downey/finance
- **Demographics**: https://us.ca.whatschool.ai/en/ca/school/st-pius-x-st-matthias-high-school-downey/demographics
- **Inclusion**: https://us.ca.whatschool.ai/en/ca/school/st-pius-x-st-matthias-high-school-downey/inclusion
- **Context (neighbourhood)**: https://us.ca.whatschool.ai/en/ca/school/st-pius-x-st-matthias-high-school-downey/context
- **Attendance**: https://us.ca.whatschool.ai/en/ca/school/st-pius-x-st-matthias-high-school-downey/attendance
- **Discipline**: https://us.ca.whatschool.ai/en/ca/school/st-pius-x-st-matthias-high-school-downey/discipline
- **Outcomes**: https://us.ca.whatschool.ai/en/ca/school/st-pius-x-st-matthias-high-school-downey/outcomes
- **Workforce**: https://us.ca.whatschool.ai/en/ca/school/st-pius-x-st-matthias-high-school-downey/workforce

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*Source: US Dept of Education CCD, EDFacts, CRDC, F-33; US Census ACS; EPA SDWIS, TRI, NPL, AQS; state DOE portals (CA CDE, TX TEA, FL DOE, NY NYSED, IL ISBE, WA OSPI). Aggregated by WhatSchool.ai.*

*Canonical cross-domain architecture: WhatSchool.ai · Spill.org · CourseMap.org · WhatCareer.net*