Serving 1,857 students in grades 9-12, Sumner High School ranks in the top 30% of all schools in Washington for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 43% (which is higher than the Washington state average of 41%). The percentage of students achieving proficiency in reading/language arts is 79% (which is higher than the Washington state average of 53%).
The student-teacher ratio of 23:1 is higher than the Washington state level of 17:1.
Minority enrollment is 37% of the student body (majority Hispanic), which is lower than the Washington state average of 53% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 1,857 students
- Student-Teacher Ratio: 23:1
- Minority Enrollment: 37%
- Graduation Rate: 92% (Top 20% in WA)
- Overall Testing Rank: Top 30%
- Math Proficiency: 43% (Top 50%)
- Reading Proficiency: 79% (Top 10%)
- Science Proficiency: 61% (Top 30%)
- Source: National Center for Education Statistics (NCES), WA Dept. of Education
Top Rankings
Sumner High School ranks among the top 20% of public schools in Washington for:
Category
Attribute
Reading/Language Arts Proficiency
Graduation Rate
School Overview
Sumner High School's student population of 1,857 students has grown by 10% over five school years.
The teacher population of 82 teachers has grown by 12% over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
1,857 students
Total Classroom Teachers
82 teachers
School Calendar
School Rankings
Sumner High School ranks within the top 30% of all 2,088 schools in Washington (based off of combined math and reading proficiency testing data).
The diversity score of Sumner High School is 0.56, 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
#460 out of 2088 schools
(Top 30%)
(Top 30%)
Math Test Scores (% Proficient)
43%
41%
Reading/Language Arts Test Scores (% Proficient)
79%
53%
Science Test Scores (% Proficient)
61%
49%
Student-Teacher Ratio
23:1
17:1
American Indian
1%
1%
Asian
4%
9%
Hispanic
18%
27%
Black
2%
5%
White
63%
47%
Hawaiian
1%
2%
Two or more races
11%
9%
All Ethnic Groups
Graduation Rate
92%
84%
Eligible for Free Lunch
24%
39%
Eligible for Reduced Lunch
11%
9%
School Statewide Testing
School District Name
Sumner-Bonney Lake School District
Source: National Center for Education Statistics (NCES), WA Dept. of Education
Frequently Asked Questions
What is Sumner High School's ranking?
Sumner High School is ranked #460 out of 2,088 schools, which ranks it among the top 30% of public schools in Washington.
What schools are Sumner High School often compared to?
Sumner High Schoolis often viewed alongside schools like Bonney Lake High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
43% of students have achieved math proficiency (compared to the 41% WA state average), while 79% of students have achieved reading proficiency (compared to the 53% WA state average).
What is the graduation rate of Sumner High School?
The graduation rate of Sumner High School is 92%, which is higher than the Washington state average of 84%.
How many students attend Sumner High School?
1,857 students attend Sumner High School.
What is the racial composition of the student body?
63% of Sumner High School students are White, 18% of students are Hispanic, 11% of students are Two or more races, 4% of students are Asian, 2% of students are Black, 1% of students are American Indian, and 1% of students are Hawaiian.
What is the student-teacher ratio of Sumner High School?
Sumner High School has a student ration of 23:1, which is higher than the Washington state average of 17:1.
What grades does Sumner High School offer ?
Sumner High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Sumner High School part of?
Sumner High School is part of Sumner-Bonney Lake School District.
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