Foster High School is a public high school located in Tukwila, Washington. It serves students from 9th grade to 12th grade. It is part of the Tukwila School District, one of the most diverse school districts in the nation.
Serving 893 students in grades 9-12, Foster Senior 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 55-59% (which is higher than the Washington state average of 53%).
The student-teacher ratio of 22:1 is higher than the Washington state level of 16:1.
Minority enrollment is 92% of the student body (majority Hispanic and Asian), which is higher than the Washington state average of 52% (majority Hispanic and Asian).
Quick Facts (2025)
- Grades: 9-12
- Enrollment: 893 students
- Student-Teacher Ratio: 22:1
- Minority Enrollment: 92%
- Graduation Rate: 84% (Top 50% in WA)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 15-19% (Btm 50%)
- Reading Proficiency: 55-59% (Top 50%)
- Science Proficiency: 30-34% (Btm 50%)
- Source: National Center for Education Statistics (NCES), WA Dept. of Education
Top Rankings
Foster Senior High School ranks among the top 20% of public schools in Washington for:
Category
Attribute
Diversity
Percent Eligible For Free Lunch
School Overview
Foster Senior High School's student population of 893 students has stayed relatively flat over five school years.
The teacher population of 41 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
893 students
Gender %
Total Classroom Teachers
41 teachers
Year Founded
1915
Colors
White, Purple
School Calendar
First Day of School
Mon. Sep 1, 2025
Last Day of School
Fri. Jun 12, 2026
School Rankings
Foster Senior 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 Foster Senior High School is 0.75, which is more 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
#1378 out of 2088 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
15-19%
41%
Reading/Language Arts Test Scores (% Proficient)
55-59%
53%
Science Test Scores (% Proficient)
30-34%
49%
Student-Teacher Ratio
22:1
16:1
American Indian
1%
1%
Asian
22%
9%
Hispanic
39%
26%
Black
21%
5%
White
8%
48%
Hawaiian
3%
2%
Two or more races
6%
9%
All Ethnic Groups
Graduation Rate
84%
84%
Eligible for Free Lunch
78%
49%
Eligible for Reduced Lunch
11%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), WA Dept. of Education
School Notes
- School Mascot: Bulldog
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Foster Senior High School's ranking?
Foster Senior High School is ranked #1378 out of 2,088 schools, which ranks it among the bottom 50% of public schools in Washington.
What schools are Foster Senior High School often compared to?
Foster Senior High Schoolis often viewed alongside schools like Highline High School, Ballard High School by visitors of our site.
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 55-59% of students have achieved reading proficiency (compared to the 53% WA state average).
What is the graduation rate of Foster Senior High School?
The graduation rate of Foster Senior High School is 84%, which is equal to the Washington state average of 84%.
How many students attend Foster Senior High School?
893 students attend Foster Senior High School.
What is the racial composition of the student body?
39% of Foster Senior High School students are Hispanic, 22% of students are Asian, 21% of students are Black, 8% of students are White, 6% of students are Two or more races, 3% of students are Hawaiian, and 1% of students are American Indian.
What is the student-teacher ratio of Foster Senior High School?
Foster Senior High School has a student ration of 22:1, which is higher than the Washington state average of 16:1.
What grades does Foster Senior High School offer ?
Foster Senior High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Foster Senior High School part of?
Foster Senior High School is part of Tukwila School District.
School Reviews
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