Mabton Junior Senior High School is a public high school located in Mabton, Washington that serves 260 students in grades 9???2. 98% of the students are Hispanic, while 1% are Asian and 1% are white.
Serving 374 students in grades 7-12, Mabton Jr. Sr. 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 ≤5% (which is lower than the Washington state average of 41%). The percentage of students achieving proficiency in reading/language arts is 20-24% (which is lower than the Washington state average of 53%).
The student-teacher ratio of 18:1 is higher than the Washington state level of 16:1.
Minority enrollment is 97% of the student body (majority Hispanic), which is higher than the Washington state average of 52% (majority Hispanic).
Quick Facts (2026)
- School Type: Magnet School
- Grades: 7-12
- Enrollment: 374 students
- Student-Teacher Ratio: 18:1
- Minority Enrollment: 97%
- Graduation Rate: ≥90% (Top 30% in WA)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: ≤5% (Btm 50%)
- Reading Proficiency: 20-24% (Btm 50%)
- Science Proficiency: 6-9% (Btm 50%)
- Source: National Center for Education Statistics (NCES), WA Dept. of Education
School Overview
Mabton Jr. Sr. High School's student population of 374 students has stayed relatively flat over five school years.
The teacher population of 21 teachers has stayed relatively flat over five school years.
School Type
Grades Offered
Grades 7-12
(No virtual instruction)
(No virtual instruction)
Total Students
374 students
Gender %
Total Classroom Teachers
21 teachers
School Calendar
Last Day of School
Mon. May 25, 2026
School Rankings
Mabton Jr. Sr. 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 Mabton Jr. Sr. High School is 0.06, 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
#2069 out of 2088 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
≤5%
41%
Reading/Language Arts Test Scores (% Proficient)
20-24%
53%
Science Test Scores (% Proficient)
6-9%
49%
Student-Teacher Ratio
18:1
16:1
American Indian
n/a
1%
Asian
n/a
9%
Hispanic
97%
26%
Black
n/a
5%
White
3%
48%
Hawaiian
n/a
2%
Two or more races
n/a
9%
All Ethnic Groups
Graduation Rate
≥90%
84%
Eligible for Free Lunch
96%
49%
Eligible for Reduced Lunch (22-23)
7%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), WA Dept. of Education
School Notes
- School Mascot: Viking
Frequently Asked Questions
What is Mabton Jr. Sr. High School's ranking?
Mabton Jr. Sr. High School is ranked #2069 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?
≤5% of students have achieved math proficiency (compared to the 41% WA state average), while 20-24% of students have achieved reading proficiency (compared to the 53% WA state average).
What is the graduation rate of Mabton Jr. Sr. High School?
The graduation rate of Mabton Jr. Sr. High School is 90%, which is higher than the Washington state average of 84%.
How many students attend Mabton Jr. Sr. High School?
374 students attend Mabton Jr. Sr. High School.
What is the racial composition of the student body?
97% of Mabton Jr. Sr. High School students are Hispanic, and 3% of students are White.
What is the student-teacher ratio of Mabton Jr. Sr. High School?
Mabton Jr. Sr. High School has a student ration of 18:1, which is higher than the Washington state average of 16:1.
What grades does Mabton Jr. Sr. High School offer ?
Mabton Jr. Sr. High School offers enrollment in grades 7-12 (No virtual instruction).
What school district is Mabton Jr. Sr. High School part of?
Mabton Jr. Sr. High School is part of Mabton School District.
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