Sentinel Tech Alt School

20140 Rd 24 Sw
Mattawa, WA 99349
4/
10
Bottom 50%
Serving 34 students in grades 9-12, Sentinel Tech Alt School ranks in the bottom 50% of all schools in Washington for overall test scores (math proficiency is top 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is <50% (which is higher than the Washington state average of 41%). The percentage of students achieving proficiency in reading/language arts is <50% (which is lower than the Washington state average of 61%).
The student-teacher ratio of 34:1 is higher than the Washington state level of 16:1.

Quick Facts (2025-26)

  • School Type: Alternative school
  • Grades: 9-12
  • Enrollment: 34 students
  • Student-Teacher Ratio: 34:1
  • : 60-79% (Btm 50% in WA)
  • : <50% (Top 30%)
  • : <50%
  • Source: National Center for Education Statistics (NCES), WA Dept. of Education

Top Rankings

Sentinel Tech Alt School ranks among the top 20% of public schools in Washington for:

School Overview

Sentinel Tech Alt School's student population of 34 students has grown by 240% over five school years.
The teacher population of 1 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
Total Students
34 students
Gender %
Total Classroom Teachers
1 teacher

School Rankings

The diversity score of Sentinel Tech Alt School is 0.00, which is less than the diversity score at state average of 0.69. The school's diversity has stayed relatively flat over five school years.
This School
State Level (WA)
<50%
41%
(17-18)
<50%
61%
Student-Teacher Ratio
34:1
16:1
American Indian
n/a
1%
Asian
n/a
9%
Hispanic
100%
26%
Black
n/a
5%
White
n/a
48%
Hawaiian
n/a
2%
Two or more races
n/a
9%
All Ethnic Groups
0.00
60-79%
84%
Eligible for Free Lunch
47%
49%
Eligible for Reduced Lunch (21-22)
7%
7%
School District Name
Source: National Center for Education Statistics (NCES), WA Dept. of Education

Frequently Asked Questions

What percent of students have achieved state testing proficiency in math and reading?
<50% of students have achieved math proficiency (compared to the 41% WA state average), while <50% of students have achieved reading proficiency (compared to the 61% WA state average).
What is the graduation rate of Sentinel Tech Alt School?
The graduation rate of Sentinel Tech Alt School is 60-79%, which is lower than the Washington state average of 84%.
How many students attend Sentinel Tech Alt School?
34 students attend Sentinel Tech Alt School.
What is the racial composition of the student body?
100% of Sentinel Tech Alt School students are Hispanic.
What is the student-teacher ratio of Sentinel Tech Alt School?
Sentinel Tech Alt School has a student ration of 34:1, which is higher than the Washington state average of 16:1.
What grades does Sentinel Tech Alt School offer ?
Sentinel Tech Alt School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Sentinel Tech Alt School part of?
Sentinel Tech Alt School is part of Wahluke School District.

School Reviews

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Quick Facts (2025-26)

  • School Type: Alternative school
  • Grades: 9-12
  • Enrollment: 34 students
  • Student-Teacher Ratio: 34:1
  • : 60-79% (Btm 50%)
  • : <50% (Top 30%)
  • : <50%
  • Source: National Center for Education Statistics (NCES), WA Dept. of Education

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