# Sentinel Tech Alt School

*Machine-readable school profile — served at https://us.wa.whatschool.ai/en/wa/school/sentinel-tech-alt-school-mattawa/llm*

Full profile (human-readable): https://us.wa.whatschool.ai/en/wa/school/sentinel-tech-alt-school-mattawa

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## Core identification
- **NCES School ID**: `530936002787`
- **School name**: Sentinel Tech Alt School
- **Location**: Mattawa, WA 99349
- **Address**: 20140 Rd 24 SW
- **District**: Wahluke School District (LEAID `5309360`)
- **Sector**: Public
- **School type**: Alternative/other
- **School level**: High
- **Grade range**: 9–12
- **Coordinates**: 46.73860, -119.92191
- **Phone**: (509)932-4565

## Enrollment (2024)
- **Students**: 36
- **Teachers (FTE)**: 1
- **Student-teacher ratio**: 36.0:1
- **Free/reduced lunch**: 91.7%

## State accountability rating
- **System**: WA WSIF
- **Year**: 2025
- **Overall rating**: Tier 3: Comprehensive_LowGrad_OptOutEligible
- **Indicators**:
  - grad_combined_decile: 3
  - regularattendance_decile: 9
  - dualcredit_decile: 2
  - sqss_combined_decile: 5.5
  - overall: Tier 3: Comprehensive_LowGrad_OptOutEligible

## Academic performance (state assessments)
### 2025
- **Overall (WA WSIF)**: 38.0% proficient

## Attendance
- **2020**: chronic absence 34.6% (9 students) [source: crdc_2020]

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

## Demographics (2023)
- **White**: 0.0%
- **Hispanic/Latino**: 85.7%
- **Black/African American**: 0.0%
- **Asian**: 0.0%
- **American Indian/Alaska Native**: 14.3%
- **Pacific Islander**: 0.0%
- **Two or more races**: 0.0%
- **Free/reduced lunch eligible**: 47.1%

## Inclusion — IDEA & English Learners (2020)
- **Students with IEP (IDEA)**: 21.4% — 6 students


## Disability category breakdown (CRDC)
- **Specific Learning Disability**: 1 students

## Finance
### School-level (ESSA 2023-24)
- **Total per-pupil expenditure**: $8,221
- **Federal share**: $790
- **State + local share**: $7,430
- **Enrolled for PPE calc**: 39
### District F-33 (2022)
- **District per-pupil revenue**: $17,917,873
- **Federal share**: 22.5%
- **State share**: 71.4%
- **Local share**: 6.1%
- **Instructional spending per pupil**: $9,629,644

## Neighbourhood (ACS 2019-2023)
- **Median household income**: $48,171
- **Poverty rate**: 23.3%
- **Bachelor's degree or higher**: 2.6%
- **Unemployment**: 11.8%
- **Median gross rent**: $1,106
- **Foreign-born residents**: 50.1%
- **Single-parent households**: 35.6%

## Environmental context
- **Nearest Superfund (NPL)**: 19.3 miles (HANFORD 200 AREA USDOE)
- **Toxic Release Inventory sites within 1 mile**: 0
- **TRI sites within 5 miles**: 0
- **Nearest brownfield**: 28.30 miles (FRED DILL S PROPERTY BUENA)

### Water safety
- **Public water system**: Mattawa City of
- **SDWA health violations (10 yr)**: 1
- **Acute violations (10 yr)**: 1
- **Most recent violation**: 2024-06-01

## Nearby schools performing better

### chronic absence
- **Saddle Mountain Elementary** — 1.1 mi away, 0.41% (this school: 34.62%)
- **Mattawa Elementary** — 1.2 mi away, 12.24% (this school: 34.62%)
- **Mattawa Elementary Pre-School** — 1.2 mi away, 1.05% (this school: 34.62%)
- **Wahluke Junior High** — 1.2 mi away, 4.33% (this school: 34.62%)
- **Wahluke High School** — 1.4 mi away, 17.93% (this school: 34.62%)

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