# Armstrong Elementary

*Machine-readable school profile — served at https://us.ca.whatschool.ai/en/ca/school/armstrong-elementary-diamond-bar/llm*

Full profile (human-readable): https://us.ca.whatschool.ai/en/ca/school/armstrong-elementary-diamond-bar

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## Core identification
- **NCES School ID**: `063132004836`
- **School name**: Armstrong Elementary
- **Location**: Diamond Bar, CA 91765
- **Address**: 22750 Beaverhead Dr.
- **District**: Pomona Unified (LEAID `0631320`)
- **Sector**: Public
- **School type**: Regular
- **School level**: Primary
- **Grade range**: 0–6
- **Coordinates**: 34.02102, -117.81791
- **Phone**: (909)397-4563
- **Website**: http://armstrong.pusd.org

## Enrollment (2024)
- **Students**: 251
- **Teachers (FTE)**: 13
- **Student-teacher ratio**: 19.3:1
- **Free/reduced lunch**: 66.9%

## State accountability rating
- **System**: CA Dashboard
- **Year**: 2024
- **Overall rating**: Red
- **Indicators**:
  - elpi: Yellow
  - math: Red
  - ela: Orange
  - chronic_absent: Red

## Academic performance (state assessments)
### 2024
- **ELA (CA SBAC)**: 50.0% proficient — 120 tested
- **ELA (CA SBAC) colour-derived**: 38.0% proficient
- **Math (CA SBAC)**: 20.0% proficient

## Attendance
- **2024**: chronic absence 24.6% (65 students) [source: ca_dashboard]
- **2020**: chronic absence 13.8% (40 students) [source: crdc_2020]
- **2020**: chronic absence 1.2% (3 students) [source: crdc]
- **2017**: chronic absence 0.0% [source: crdc]

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

## Demographics (2023)
- **Free/reduced lunch eligible**: 69.1%

## Inclusion — IDEA & English Learners (2020)
- **Students with IEP (IDEA)**: 19.7% — 49 students
- **English Learners**: 14.9% — 37 students

## Disability category breakdown (CRDC)
- **Specific Learning Disability**: 19 students
- **Autism**: 8 students
- **Speech/Language Impairment**: 5 students
- **Other Health Impairment**: 4 students

## Programs & enrichment
- Gifted & Talented

## Finance
### School-level (ESSA 2023-24)
- **Total per-pupil expenditure**: $26,066
- **Federal share**: $2,485
- **State + local share**: $23,581
- **Enrolled for PPE calc**: 249
### District F-33 (2022)
- **District per-pupil revenue**: $24,599,023
- **Federal share**: 17.6%
- **State share**: 60.9%
- **Local share**: 21.6%
- **Instructional spending per pupil**: $9,974,029

## Neighbourhood (ACS 2019-2023)
- **Median household income**: $131,563
- **Poverty rate**: 1.5%
- **Bachelor's degree or higher**: 35.2%
- **Unemployment**: 2.6%
- **Median gross rent**: $2,379
- **Foreign-born residents**: 32.5%
- **Single-parent households**: 0.0%

## Environmental context
- **Nearest Superfund (NPL)**: 7.7 miles (SAN GABRIEL VALLEY AREA 2)
- **Toxic Release Inventory sites within 1 mile**: 2
- **TRI sites within 5 miles**: 39
- **Nearest brownfield**: 4.54 miles (RIDGEWAY)

### Air quality
- **PM2.5 annual average**: 15.0374 μg/m³ (EPA std: 9)
- **Nearest monitor**: 11.5 miles

## Nearby schools performing better

### chronic absence
- **Lorbeer Middle** — 0.6 mi away, 22.9% (this school: 24.6%)
- **Golden Springs Elementary** — 1.0 mi away, 19.4% (this school: 24.6%)
- **Pantera Elementary** — 1.7 mi away, 4.8% (this school: 24.6%)
- **Maple Hill Elementary** — 1.7 mi away, 2.5% (this school: 24.6%)
- **Chaparral Middle** — 1.8 mi away, 3.2% (this school: 24.6%)

### ela proficiency
- **Lorbeer Middle** — 0.6 mi away, 48.95% (this school: 44%)
- **Golden Springs Elementary** — 1.0 mi away, 59.3% (this school: 44%)
- **Pantera Elementary** — 1.7 mi away, 45.1% (this school: 44%)
- **Maple Hill Elementary** — 1.7 mi away, 75.4% (this school: 44%)
- **Chaparral Middle** — 1.8 mi away, 69.25% (this school: 44%)

### math proficiency
- **Lorbeer Middle** — 0.6 mi away, 38% (this school: 20%)
- **Golden Springs Elementary** — 1.0 mi away, 52% (this school: 20%)
- **Pantera Elementary** — 1.7 mi away, 38% (this school: 20%)
- **Maple Hill Elementary** — 1.7 mi away, 66% (this school: 20%)
- **Chaparral Middle** — 1.8 mi away, 52% (this school: 20%)

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

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