Enrollment
36
Washington · 2024-25 NCES data
High school (grades 9-12) · Mattawa, WA
Sentinel Tech Alt School
Federal NCES profile for Sentinel Tech Alt School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 32/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 530936002787
👥 S:T ratio 0
📚 AP courses 10
🌟 Gifted program 30
📋 Attendance 86
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Sentinel Tech Alt School earns 32/100 on the Resource Investment Index, with class sizes larger than 98% of Washington schools. It is also less racially and ethnically mixed than most Washington schools.
- #6 of 8
- public schools in Mattawa · Resource Index
- 32
- Resource Index · Typical
- 36:1
- large classes for Washington
- 91.9%
- free-lunch eligible
Sentinel Tech Alt School has class sizes larger than 98% of Washington schools. Computed live against every Washington school reporting to NCES.
By Resource Investment Index, Sentinel Tech Alt School ranks #6 of 8 public schools in Mattawa, WA.
School address
District: Wahluke School District · Washington
NCES ID 530936002787 Verify on NCES CCD record →
Teachers (FTE)
1.0
Federal CCD staff survey
Students per teacher
36:1
vs 17.6:1 Washington avg
+105% vs state
Free-lunch eligible
91.9%
vs 45.0% Washington avg
+104% vs state
Student-teacher ratio in context
How Sentinel Tech Alt School compares with Washington and U.S. medians
What stands out at Sentinel Tech Alt School
Sentinel Tech Alt School is a high-poverty, small high school in Mattawa, Washington, enrolling 36 students.
Class loads run heavy: 36:1 is larger than about 98% of Washington schools and 105% above the 17.6:1 state mean, so each teacher carries more students than is typical.
Economic need is high: 91.9% of students qualify for free meals, 104% above the Washington average, a Title I-weighted population that federal funding formulas prioritise.
This is a small campus: fewer students than 91% of Washington schools, with 36 enrolled.
Its Resource Investment Index lands in the lower third of 2,394 scored Washington schools.
Against 20 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #9.
Its student body is predominantly Hispanic or Latino (97% of enrollment), among the less diverse in the state (diversity index 5/100).
No Advanced Placement courses are reported for this campus in the federal data.
Attendance holds up well here: only 5.6% of students were chronically absent, below the typical post-pandemic national figure.
Its district draws 22.5% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Mattawa's high schools, it stands alongside Wahluke High School (750 students): Sentinel Tech Alt School is smaller than that campus by headcount and runs heavier classes (36:1 vs 17.9:1).
Wahluke School District also operates Wahluke High School (750 students) and Wahluke Junior High (554 students) alongside Sentinel Tech Alt School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Sentinel Tech Alt School compares
Sentinel Tech Alt School on the metrics families compare, against Washington and U.S. means.
| Metric | This school | vs Washington | Washington avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 36:1 | ▲ 105% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 91.9% | ▲ 104% | 45.0% | 51.7% |
| Enrollment | 36 | top 91% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
36:1
Leaner classes than 1% of US schools, heavier class loads than most.
36
Bigger than 4% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
91.9%
free-lunch eligible
- 104% above the Washington average of 45.0%
Well above the 40% Title I schoolwide threshold, among the highest-need profiles in the state; federal funds support the whole school, not individual students.
Staffing depth
36:1
students per teacher
- 105% above state mean
Top 98% in Washington - lower ratio than 2% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
5.6%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$17,228
per pupil, district-wide
- below Washington avg of $19,487
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
Hispanic or Latino 97.2%
White 2.8%
Largest group: Hispanic or Latino at 97.2% of enrollment.
Student-body diversity index 5.4/100
Simpson diversity index - at 5.4, Sentinel Tech Alt School is less mixed than the Washington school average of 53.3.
Programs
AP program Not offered
Funding & spending
District-wide per-pupil expenditure for Wahluke School District, which includes Sentinel Tech Alt School.
$17,228
Per student
-12%
vs Washington
Avg $19,487
+4%
vs U.S.
Avg $16,593
Revenue mix
Local 6.1%
State 71.4%
Federal 22.5%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Sentinel Tech Alt School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Wahluke High School | Larger | Similar economic need | Lower S:T ratio |
| Wahluke Junior High | Larger | Similar economic need | Lower S:T ratio |
| Saddle Mountain Elementary | Larger | Similar economic need | Lower S:T ratio |
| Morris Schott Elementary | Larger | Similar economic need | Lower S:T ratio |
| Mattawa Elementary | Larger | Similar economic need | Lower S:T ratio |
Comparisons are relative to Sentinel Tech Alt School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 750
- Students per teacher
- 17.9:1
- Resource Index
- 57/100
- Enrollment
- 554
- Students per teacher
- 16.8:1
- Resource Index
- 57/100
- Enrollment
- 470
- Students per teacher
- 15.2:1
- Resource Index
- 57/100
- Enrollment
- 317
- Students per teacher
- 19.8:1
- Resource Index
- 54/100
- Enrollment
- 199
- Students per teacher
- 8:1
- Resource Index
- 69/100
Similar high schools in Mattawa
1 comparable high schools (grades 9-12) serving the same city.
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Washington, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~36 students)
Next steps
Verify locally before acting on Sentinel Tech Alt School's federal record.
- Compare Sentinel Tech Alt School against another school. Compare schools
- Wahluke School District's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Sentinel Tech Alt School
How many students attend Sentinel Tech Alt School?
Sentinel Tech Alt School has 36 students enrolled. It is a high school in Mattawa, WA.
What is the student-teacher ratio at Sentinel Tech Alt School?
The student-teacher ratio at Sentinel Tech Alt School is 36:1, which is 105% higher than the Washington average of 17.6:1 and 129% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Sentinel Tech Alt School?
91.9% of students at Sentinel Tech Alt School are eligible for free lunch, compared to the Washington average of 45.0%.
What is the racial and ethnic makeup of Sentinel Tech Alt School?
The largest demographic group at Sentinel Tech Alt School is Hispanic or Latino at 97.2% of enrollment, in Mattawa, WA.
What is the Resource Investment Index for Sentinel Tech Alt School?
Sentinel Tech Alt School has a Resource Investment Index of 32/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Sentinel Tech Alt School rank among public schools in Mattawa?
By Resource Investment Index, Sentinel Tech Alt School ranks #6 of 8 public schools in Mattawa, WA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Mattawa on the city page.
Is Sentinel Tech Alt School a good school?
Sentinel Tech Alt School earns 32/100 on the Resource Investment Index, with class sizes larger than 98% of Washington schools. It is also less racially and ethnically mixed than most Washington schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Wahluke School District?
Besides Sentinel Tech Alt School, Wahluke School District also operates Wahluke High School (750 students), Wahluke Junior High (554 students), and Saddle Mountain Elementary (470 students). See the Wahluke School District district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.