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Foster Senior High School

Public Grades 9-12
341st
SchoolDigger Rank ?
of 396 Washington High Schools
Better than 14% of Washington high schools
Summary

Foster Senior High School is a public school serving about 910 students in grades 9–12 in Tukwila, Washington, within the Tukwila School District. The school’s latest statewide ranking was 341st out of 396 schools, placing it around the 14th percentile. This reflects significant academic challenges, although Foster’s graduation and dropout results are considerably stronger than its overall ranking suggests.

Graduation is Foster’s clearest strength. Its 2024–25 graduation rate was 89.4%, higher than the state rate of 82.6% and above nearby traditional high schools, including Highline High School at 81.8%, Tyee High School at 71.7%, and Renton Senior High School at 75.7%. Foster’s dropout rate was 5.7%, down from 14.1% in 2020–21 and lower than the nearby comparison schools reported. English Language Arts is also a local relative strength: 43.46% of students were proficient, nearly matching Highline and exceeding Tyee. However, math proficiency was only 18.91%, and science proficiency was 20.17%, both well below state averages. Math has remained particularly weak over several years, while ELA and science have declined from recent highs.

Foster serves a high-need community, with 68.79% of students eligible for free or reduced-price lunch in 2024–25. Its student-to-teacher ratio rose to 23.9, higher than the nearby traditional high schools in the available data, which may make individualized support more difficult. Per-student spending was $21,394, moderate compared with nearby schools. Specialized schools such as CHOICE Academy and Highline Open Doors 1418 are not directly comparable because they serve different populations or use different models. Overall, Foster appears more successful at keeping students enrolled through graduation than at producing strong standardized test results; math, science, the recent ELA decline, and subgroup disparities remain important areas for improvement.

910
Students ?
23.9
Student/teacher ratio ?
$21,394
Per pupil spending ?
68.8%
Free/reduced lunch eligible (2024-25) ?
 4242 S 144th St
       Tukwila, WA  98168

(206) 901-7900

District: Tukwila School District


Feeder schools for Foster Senior High School:

Elementary:    Cascade View Elementary
    Thorndyke Elementary
    Tukwila Elementary
Middle:    Showalter Middle School
Racial breakdown:

Hispanic:
37.0%
African American:
24.7%
Asian:
20.4%
more
 See top rated Washington high schools

 Compare Foster Senior High School to nearby high schools!
At a glance
▼ Ranking trend: Declining — 19th percentile in 2016 → 14th in 2026
Strengths
✓89% graduate in 4 years — above the Washington average (83%)
Worth a look
!Test scores below the Washington average (29% vs 48% meeting standards)
!In the lower quartile statewide (14th percentile)
!Ranking has slipped — down 5 percentile points since 2016
Students meeting standards (2025-2026) ?
This school29%
District avg25%
Washington avg48%
341st of 396
Washington public high schools ?
Bottom 14%▼ down 5 pts since 2016
From bottom 19% (2016) to bottom 14% (2026)
See the entire ranking list of Washington High Schools →
★★★★★
SchoolDigger rating ?
218th of 238Tukwila School District among Washington districts
Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)
Show full rank history (all student groups)

All Students

YearAvg scoreStatewide rankWashington percentileRating
202616.9341 of 39613.9%★☆☆☆☆
202516.7375 of 43814.4%★☆☆☆☆
202425.1341 of 43722.0%★☆☆☆☆
202319.4375 of 44215.2%★☆☆☆☆
202222.1351 of 43419.1%★☆☆☆☆
202125.4347 of 45523.7%★☆☆☆☆
201920.8347 of 41716.8%★☆☆☆☆
201829.2244 of 31522.5%★☆☆☆☆
201747.4184 of 30138.9%★★☆☆☆
201628.3249 of 30618.6%★☆☆☆☆
201520.8294 of 34113.8%★☆☆☆☆
201336.7328 of 45427.8%★☆☆☆☆
201228.0345 of 45023.3%★☆☆☆☆
201121.7352 of 44020.0%★☆☆☆☆
201017.9356 of 42315.8%★☆☆☆☆
200913.7357 of 40211.2%★☆☆☆☆
200813.2353 of 39610.9%★☆☆☆☆
200717.9337 of 39915.5%★☆☆☆☆
200629.9304 of 39523.0%★☆☆☆☆
200533.2297 of 39424.6%★☆☆☆☆
200431.8283 of 39027.4%★☆☆☆☆

African American

YearAvg scoreStatewide rankWashington percentileRating
202623.065 of 7715.6%★☆☆☆☆
20257.580 of 800.0%☆☆☆☆☆
202432.750 of 7028.6%★☆☆☆☆
202311.174 of 785.1%☆☆☆☆☆
202226.469 of 8922.5%★☆☆☆☆
202123.992 of 11117.1%★☆☆☆☆
201912.185 of 861.2%☆☆☆☆☆
201832.835 of 5435.2%★★☆☆☆

Asian

YearAvg scoreStatewide rankWashington percentileRating
202627.354 of 8133.3%★★☆☆☆
202512.4113 of 1195.0%☆☆☆☆☆
202415.2102 of 1139.7%★☆☆☆☆
202327.984 of 11828.8%★★☆☆☆
202223.0100 of 12419.4%★☆☆☆☆
202119.8113 of 13616.9%★☆☆☆☆
20199.0115 of 1215.0%☆☆☆☆☆
201817.176 of 8712.6%★☆☆☆☆

English Language Learner

YearAvg scoreStatewide rankWashington percentileRating
202627.281 of 10422.1%★☆☆☆☆
202517.578 of 858.2%☆☆☆☆☆
202344.118 of 4459.1%★★★☆☆
202128.881 of 10220.6%★☆☆☆☆
201824.357 of 6512.3%★☆☆☆☆

Female

YearAvg scoreStatewide rankWashington percentileRating
202614.1280 of 3099.4%☆☆☆☆☆
202513.4318 of 3509.1%☆☆☆☆☆
202422.1284 of 34718.2%★☆☆☆☆
202312.4336 of 3575.9%☆☆☆☆☆
202219.4318 of 36813.6%★☆☆☆☆
202116.8342 of 39012.3%★☆☆☆☆
201919.6305 of 35814.8%★☆☆☆☆
201829.5192 of 24321.0%★☆☆☆☆

Hispanic

YearAvg scoreStatewide rankWashington percentileRating
202615.3217 of 2368.1%☆☆☆☆☆
202517.1222 of 24910.8%★☆☆☆☆
202418.0222 of 24810.5%★☆☆☆☆
202330.8174 of 24930.1%★★☆☆☆
202219.5231 of 26111.5%★☆☆☆☆
202139.8157 of 27843.5%★★☆☆☆
201922.0203 of 24115.8%★☆☆☆☆
201827.3132 of 15615.4%★☆☆☆☆

Low Socio Economic Status

YearAvg scoreStatewide rankWashington percentileRating
202619.1285 of 32512.3%★☆☆☆☆
202519.8303 of 35514.6%★☆☆☆☆
202434.8244 of 35631.5%★★☆☆☆
202325.3289 of 36220.2%★☆☆☆☆
202223.8306 of 37017.3%★☆☆☆☆
202138.8247 of 39237.0%★★☆☆☆
201921.3293 of 34414.8%★☆☆☆☆
201829.5184 of 22718.9%★☆☆☆☆

Male

YearAvg scoreStatewide rankWashington percentileRating
202617.4282 of 32613.5%★☆☆☆☆
202516.1311 of 35913.4%★☆☆☆☆
202422.6293 of 36219.1%★☆☆☆☆
202322.5280 of 35821.8%★☆☆☆☆
202220.2299 of 36317.6%★☆☆☆☆
202133.2273 of 39530.9%★★☆☆☆
201918.8305 of 35514.1%★☆☆☆☆
201820.3223 of 25412.2%★☆☆☆☆

Multi-racial

YearAvg scoreStatewide rankWashington percentileRating
202545.390 of 17047.1%★★☆☆☆
202483.123 of 16185.7%★★★★☆
201919.9143 of 16312.3%★☆☆☆☆

Special Education

YearAvg scoreStatewide rankWashington percentileRating
201942.172 of 12843.8%★★☆☆☆
201873.426 of 13981.3%★★★★☆

White

YearAvg scoreStatewide rankWashington percentileRating
20269.4303 of 3195.0%☆☆☆☆☆
202535.7251 of 37332.7%★★☆☆☆
202462.4126 of 37466.3%★★★☆☆
20235.1369 of 3792.6%☆☆☆☆☆
202246.4214 of 39045.1%★★☆☆☆
202119.6359 of 41313.1%★☆☆☆☆
201937.4260 of 38231.9%★★☆☆☆
How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)
Multi-racial (2025)47th percentile+33 vs school
Special Education (2019)44th percentile+27 vs school
Asian (2026)33rd percentile+19 vs school
English Language Learner (2026)22nd percentile+8 vs school
African American (2026)16th percentile~ school
Male (2026)13th percentile~ school
Low Socio Economic Status (2026)12th percentile~ school
Female (2026)9th percentile-5 vs school
Hispanic (2026)8th percentile-6 vs school
White (2026)5th percentile-9 vs school
By subject vs Washington (2025-2026) ?
English Language Arts43%-9 vs state
Science20%-31 vs state
Math19%-24 vs state

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Schools Near Foster Senior High School

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Frequently Asked Questions about Foster Senior High School

Foster Senior High School ranks in the bottom 13.9% of Washington high schools.

In the 2024-25 school year, 910 students attended Foster Senior High School.

Students at Foster Senior High School are 37% Hispanic, 25% African American, 20% Asian, 8% White, 6% Two or more races, 4% Pacific Islander.

Foster Senior High School is fed by the following schools:

Elementary : Cascade View Elementary
Elementary : Thorndyke Elementary
Elementary : Tukwila Elementary
Middle : Showalter Middle School

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Latest Washington data All new data »
2016–17 through 2025–26 immunization rates (updated)NewOct 19, 2026
2025–26 SBAC & WCAS test scoresSep 10, 2026
2024–25 dropout rates & graduation ratesJan 8, 2026
2022–23 through 2023–24 school spending dataJan 6, 2026


SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau, the Washington State Department of Health and the Washington Office of Superindentent of Public Instruction.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.

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