Wahluke High School is a public high school located in Mattawa, Washington that serves about 850 students in grades 9–12. 94% of the students are Hispanic, while the other 6% are White or Native American.
Serving 781 students in grades 9-12, Wahluke High School ranks in the bottom 50% of all schools in Washington for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 15-19% (which is lower than the Washington state average of 41%). The percentage of students achieving proficiency in reading/language arts is 50-54% (which is approximately equal to the Washington state average of 53%).
The student-teacher ratio of 21:1 is higher than the Washington state level of 16:1.
Minority enrollment is 99% of the student body (majority Hispanic), which is higher than the Washington state average of 52% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 781 students
- Student-Teacher Ratio: 21:1
- Minority Enrollment: 99%
- Graduation Rate: 85-89% (Top 50% in WA)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 15-19% (Btm 50%)
- Reading Proficiency: 50-54% (Top 50%)
- Science Proficiency: 30-34% (Btm 50%)
- Source: National Center for Education Statistics (NCES), WA Dept. of Education
School Overview
Wahluke High School's student population of 781 students has grown by 13% over five school years.
The teacher population of 38 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
781 students
Gender %
Total Classroom Teachers
38 teachers
Year Founded
1905
School Rankings
Wahluke High School ranks within the bottom 50% of all 2,088 schools in Washington (based off of combined math and reading proficiency testing data).
The diversity score of Wahluke High School is 0.02, 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.
Overall Testing Rank
#1476 out of 2088 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
15-19%
41%
Reading/Language Arts Test Scores (% Proficient)
50-54%
53%
Science Test Scores (% Proficient)
30-34%
49%
Student-Teacher Ratio
21:1
16:1
American Indian
n/a
1%
Asian
n/a
9%
Hispanic
99%
26%
Black
n/a
5%
White
1%
48%
Hawaiian
n/a
2%
Two or more races
n/a
9%
All Ethnic Groups
Graduation Rate
85-89%
84%
Eligible for Free Lunch
44%
49%
Eligible for Reduced Lunch (22-23)
8%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), WA Dept. of Education
Frequently Asked Questions
What is Wahluke High School's ranking?
Wahluke High School is ranked #1476 out of 2,088 schools, which ranks it among the bottom 50% of public schools in Washington.
What percent of students have achieved state testing proficiency in math and reading?
15-19% of students have achieved math proficiency (compared to the 41% WA state average), while 50-54% of students have achieved reading proficiency (compared to the 53% WA state average).
What is the graduation rate of Wahluke High School?
The graduation rate of Wahluke High School is 85-89%, which is higher than the Washington state average of 84%.
How many students attend Wahluke High School?
781 students attend Wahluke High School.
What is the racial composition of the student body?
99% of Wahluke High School students are Hispanic, and 1% of students are White.
What is the student-teacher ratio of Wahluke High School?
Wahluke High School has a student ration of 21:1, which is higher than the Washington state average of 16:1.
What grades does Wahluke High School offer ?
Wahluke High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Wahluke High School part of?
Wahluke High School is part of Wahluke School District.
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