# Chaffey High

*Machine-readable school profile — served at https://us.ca.whatschool.ai/en/ca/school/chaffey-high-ontario/llm*

Full profile (human-readable): https://us.ca.whatschool.ai/en/ca/school/chaffey-high-ontario

---

## Core identification
- **NCES School ID**: `060816000791`
- **School name**: Chaffey High
- **Location**: Ontario, CA 91762
- **Address**: 1245 North Euclid Ave.
- **District**: Chaffey Joint Union High (LEAID `0608160`)
- **Sector**: Public
- **School type**: Regular
- **School level**: High
- **Grade range**: 9–12
- **Coordinates**: 34.07993, -117.65265
- **Phone**: (909)988-5560
- **Website**: https://www.cjuhsd.net
- **Wikidata QID**: Q5066798 — Wikipedia: https://en.wikipedia.org/wiki/Chaffey_High_School
- **Founded**: 1911

## Enrollment (2024)
- **Students**: 3,127
- **Teachers (FTE)**: 133
- **Student-teacher ratio**: 23.5:1
- **Free/reduced lunch**: 81.5%

## State accountability rating
- **System**: CA Dashboard
- **Year**: 2024
- **Overall rating**: Orange
- **Indicators**:
  - elpi: Orange
  - math: Orange
  - college_career: Yellow
  - ela: Yellow
  - graduation: Green

## Academic performance (state assessments)
### 2024
- **ELA (CA SBAC)**: 51.1% proficient — 643 tested
- **ELA (CA SBAC) colour-derived**: 52.0% proficient
- **Math (CA SBAC)**: 38.0% proficient

## Graduation rates
- **2024**: 86.7% (cohort of 849)
- **2021**: 83.0% (cohort of 847)

## SAT/ACT participation (2020)
- **SAT/ACT takers**: 1

## Attendance
- **2020**: chronic absence 73.0% (2,456 students) [source: crdc_2020]
- **2020**: chronic absence 4.9% (157 students) [source: crdc]
- **2017**: chronic absence 3.5% (113 students) [source: crdc]

## Discipline (latest CRDC year)
- **Year**: 2020
- **In-school suspensions**: 0
- **Out-of-school suspensions**: 0
- **Expulsions**: 0

## Demographics (2023)
- **White**: 0.3%
- **Hispanic/Latino**: 88.9%
- **Black/African American**: 1.5%
- **Asian**: 2.9%
- **American Indian/Alaska Native**: 4.5%
- **Pacific Islander**: 0.4%
- **Two or more races**: 1.4%
- **Free/reduced lunch eligible**: 80.8%

## Inclusion — IDEA & English Learners (2020)
- **Students with IEP (IDEA)**: 15.2% — 491 students
- **English Learners**: 14.1% — 453 students

## Disability category breakdown (CRDC)
- **Specific Learning Disability**: 246 students
- **Intellectual Disability**: 46 students
- **Other Health Impairment**: 40 students
- **Autism**: 30 students
- **Emotional Disturbance**: 10 students
- **Multiple Disabilities**: 5 students
- **Speech/Language Impairment**: 5 students
- **Orthopedic Impairment**: 4 students
- **Traumatic Brain Injury**: 3 students
- **Hearing Impairment**: 2 students
- **Visual Impairment**: 2 students

## Programs & enrichment
- Advanced Placement (AP)

## Finance
### School-level (ESSA 2023-24)
- **Total per-pupil expenditure**: $18,012
- **Federal share**: $1,530
- **State + local share**: $16,482
- **Enrolled for PPE calc**: 3,223
### District F-33 (2022)
- **District per-pupil revenue**: $19,233,811
- **Federal share**: 11.2%
- **State share**: 52.9%
- **Local share**: 35.9%
- **Instructional spending per pupil**: $9,860,307

## Neighbourhood (ACS 2019-2023)
- **Median household income**: $78,487
- **Poverty rate**: 14.2%
- **Bachelor's degree or higher**: 22.5%
- **Unemployment**: 7.5%
- **Median gross rent**: $1,554
- **Foreign-born residents**: 14.4%
- **Single-parent households**: 21.9%

## Environmental context
- **Nearest Superfund (NPL)**: 11.8 miles (STRINGFELLOW)
- **Toxic Release Inventory sites within 1 mile**: 0
- **TRI sites within 5 miles**: 87
- **Nearest brownfield**: 5.64 miles (YORBA SCHOOL SITE CHINO VALLEY UNIFIED SCHOOL DI YORBA 1019 441 04)

### Water safety
- **Public water system**: ONTARIO MUNICIPAL UTILITIES COMPANY
- **SDWA health violations (10 yr)**: 0
- **Acute violations (10 yr)**: 0

### Air quality
- **PM2.5 annual average**: 15.0374 μg/m³ (EPA std: 9)
- **Nearest monitor**: 4.0 miles

## Nearby schools performing better

### chronic absence
- **Buena Vista Arts-Integrated** — 1.7 mi away, 3.6% (this school: 4.87%)
- **Upland High** — 1.7 mi away, 2.62% (this school: 4.87%)
- **Chaffey District Online High** — 2.3 mi away, 4.46% (this school: 4.87%)
- **Chaffey Community Day** — 2.3 mi away, 0% (this school: 4.87%)
- **Alta Loma High** — 3.8 mi away, 1.71% (this school: 4.87%)

### ela proficiency
- **Edison Elementary** — 0.6 mi away, 59.7% (this school: 51.55%)
- **Upland Elementary** — 1.5 mi away, 56.95% (this school: 51.55%)
- **El Camino Elementary** — 1.6 mi away, 53.4% (this school: 51.55%)
- **Buena Vista Arts-Integrated** — 1.7 mi away, 52.95% (this school: 51.55%)
- **Upland High** — 1.7 mi away, 63.15% (this school: 51.55%)

### graduation rate
- **Upland High** — 1.7 mi away, 95.4% (this school: 86.7%)
- **Hillside High** — 1.9 mi away, 89.6% (this school: 86.7%)
- **Chaffey District Online High** — 2.3 mi away, 94.3% (this school: 86.7%)
- **Montclair High** — 2.8 mi away, 91.2% (this school: 86.7%)
- **Ontario High** — 2.9 mi away, 91.6% (this school: 86.7%)

### math proficiency
- **Upland Elementary** — 1.5 mi away, 66% (this school: 38%)
- **El Camino Elementary** — 1.6 mi away, 52% (this school: 38%)
- **Buena Vista Arts-Integrated** — 1.7 mi away, 52% (this school: 38%)
- **Upland High** — 1.7 mi away, 52% (this school: 38%)
- **Vineyard Elementary** — 1.7 mi away, 52% (this school: 38%)

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

---
*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*
