# Trillium Charter

*Machine-readable school profile — served at https://us.ca.whatschool.ai/en/ca/school/trillium-charter-arcata/llm*

Full profile (human-readable): https://us.ca.whatschool.ai/en/ca/school/trillium-charter-arcata

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## Core identification
- **NCES School ID**: `069114811947`
- **School name**: Trillium Charter
- **Location**: Arcata, CA 95521
- **Address**: 1464 Spear Ave.
- **District**: Trillium Charter District (LEAID `0691148`)
- **Sector**: Public
- **School type**: Regular
- **School level**: Primary
- **Grade range**: 0–5
- **Charter school**: Yes
- **Coordinates**: 40.88962, -124.08684
- **Phone**: (707)822-4721

## Enrollment (2024)
- **Students**: 40
- **Teachers (FTE)**: 3
- **Student-teacher ratio**: 13.3:1
- **Free/reduced lunch**: 87.5%

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

## Academic performance (state assessments)
### 2024
- **ELA (CA SBAC)**: 32.4% proficient — 12 tested
- **ELA (CA SBAC) colour-derived**: 38.0% proficient
- **Math (CA SBAC)**: 38.0% proficient

## Attendance
- **2024**: chronic absence 49.0% (25 students) [source: ca_dashboard]

## Demographics (2023)
- **Free/reduced lunch eligible**: 92.9%

## Neighbourhood (ACS 2019-2023)
- **Median household income**: $45,669
- **Poverty rate**: 32.9%
- **Bachelor's degree or higher**: 30.8%
- **Unemployment**: 7.2%
- **Median gross rent**: $1,389
- **Foreign-born residents**: 10.4%
- **Single-parent households**: 15.2%

## Environmental context
- **Nearest Superfund (NPL)**: 25.9 miles (COPPER BLUFF MINE)
- **Toxic Release Inventory sites within 1 mile**: 1
- **TRI sites within 5 miles**: 4
- **Nearest brownfield**: 0.45 miles (LINDGREN MILL SITE)

### Water safety
- **Public water system**: ARCATA, CITY OF
- **SDWA health violations (10 yr)**: 0
- **Acute violations (10 yr)**: 0

### Air quality
- **PM2.5 annual average**: 6.53802 μg/m³ (EPA std: 9)
- **Nearest monitor**: 9.2 miles

## Nearby schools performing better

### chronic absence
- **Pacific Union Elementary** — 0.5 mi away, 1.7% (this school: 49%)
- **Arcata Elementary** — 0.5 mi away, 27.1% (this school: 49%)
- **Laurel Tree Charter** — 0.7 mi away, 27.7% (this school: 49%)
- **Arcata High** — 0.9 mi away, 0.4% (this school: 49%)
- **Pacific Coast High (Continuation)** — 0.9 mi away, 40% (this school: 49%)

### ela proficiency
- **Pacific Union Elementary** — 0.5 mi away, 52% (this school: 35.2%)
- **Arcata Elementary** — 0.5 mi away, 39.05% (this school: 35.2%)
- **Laurel Tree Charter** — 0.7 mi away, 39.75% (this school: 35.2%)
- **Arcata High** — 0.9 mi away, 54.5% (this school: 35.2%)
- **Six Rivers Charter High** — 0.9 mi away, 62.5% (this school: 35.2%)

### math proficiency
- **Pacific Union Elementary** — 0.5 mi away, 52% (this school: 38%)
- **Arcata High** — 0.9 mi away, 52% (this school: 38%)
- **Fuente Nueva Charter** — 1.0 mi away, 52% (this school: 38%)
- **Coastal Grove Charter** — 1.1 mi away, 52% (this school: 38%)
- **Northcoast Preparatory and Performing Arts Academy** — 1.3 mi away, 52% (this school: 38%)

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