# Delta Charter

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

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

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## Core identification
- **NCES School ID**: `063560006664`
- **School name**: Delta Charter
- **Location**: Aptos, CA 95003
- **Address**: 6500 Soquel Dr. Bldg. 1190
- **District**: Santa Cruz City High (LEAID `0635600`)
- **Sector**: Public
- **School type**: Regular
- **School level**: High
- **Grade range**: 9–12
- **Charter school**: Yes
- **Coordinates**: 36.98500, -121.92560
- **Phone**: (831)477-5212
- **Website**: https://www.deltaschool.org

## Enrollment (2024)
- **Students**: 113
- **Teachers (FTE)**: 8
- **Student-teacher ratio**: 14.1:1
- **Free/reduced lunch**: 38.9%

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

## Academic performance (state assessments)
### 2024
- **ELA (CA SBAC)**: 33.6% proficient — 36 tested
- **ELA (CA SBAC) colour-derived**: 20.0% proficient
- **Math (CA SBAC)**: 20.0% proficient

## Graduation rates
- **2024**: 91.5% (cohort of 59)
- **2021**: 74.5% (cohort of 56)

## Attendance
- **2020**: chronic absence 44.0% (48 students) [source: crdc_2020]
- **2020**: chronic absence 0.0% [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**: 38.8%

## Inclusion — IDEA & English Learners (2020)
- **Students with IEP (IDEA)**: 25.9% — 30 students
- **English Learners**: 1.7% — 2 students

## Programs & enrichment
- Career & Technical Education / Dual Enrollment

## Finance
### School-level (ESSA 2023-24)
- **Total per-pupil expenditure**: $13,012
- **Federal share**: $383
- **State + local share**: $12,629
- **Enrolled for PPE calc**: 116
### District F-33 (2020)
- **District per-pupil revenue**: $1,000
- **Federal share**: 100.0%
- **State share**: 100.0%
- **Local share**: 100.0%
- **Instructional spending per pupil**: $1,000

## Neighbourhood (ACS 2019-2023)
- **Median household income**: $117,764
- **Poverty rate**: 7.8%
- **Bachelor's degree or higher**: 35.6%
- **Unemployment**: 4.6%
- **Median gross rent**: $2,898
- **Foreign-born residents**: 7.2%
- **Single-parent households**: 13.8%

## Environmental context
- **Nearest Superfund (NPL)**: 7.3 miles (WATKINS JOHNSON CO STEWART DIVISION PLANT)
- **Toxic Release Inventory sites within 1 mile**: 0
- **TRI sites within 5 miles**: 1
- **Nearest brownfield**: 6.15 miles (POGONIP FARM AND GARDEN)

### Water safety
- **Public water system**: CABRILLO COLLEGE
- **SDWA health violations (10 yr)**: 0
- **Acute violations (10 yr)**: 0

### Air quality
- **PM2.5 annual average**: 6.20139 μg/m³ (EPA std: 9)
- **Nearest monitor**: 3.5 miles

## Nearby schools performing better

### ela proficiency
- **Mar Vista Elementary** — 0.3 mi away, 30.75% (this school: 26.8%)
- **New Brighton Middle** — 1.3 mi away, 58.75% (this school: 26.8%)
- **Main Street Elementary** — 1.6 mi away, 54.5% (this school: 26.8%)
- **Soquel Elementary** — 1.7 mi away, 57.55% (this school: 26.8%)
- **Valencia Elementary** — 1.8 mi away, 68.35% (this school: 26.8%)

### graduation rate
- **Soquel High** — 1.9 mi away, 96.4% (this school: 91.5%)
- **Aptos High** — 3.5 mi away, 94.3% (this school: 91.5%)
- **Harbor High** — 3.7 mi away, 94.5% (this school: 91.5%)
- **Ark Independent Studies** — 4.9 mi away, 93.8% (this school: 91.5%)
- **Santa Cruz High** — 6.0 mi away, 96.8% (this school: 91.5%)

### math proficiency
- **New Brighton Middle** — 1.3 mi away, 52% (this school: 20%)
- **Soquel Elementary** — 1.7 mi away, 66% (this school: 20%)
- **Valencia Elementary** — 1.8 mi away, 66% (this school: 20%)
- **Soquel High** — 1.9 mi away, 52% (this school: 20%)
- **Aptos Junior High** — 2.5 mi away, 66% (this school: 20%)

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