Thorndyke Elementary
School pathway
Test scores
Smarter Balanced + WCAS 2024-25 . % Met or Exceeded StandardWhat this means: On the Smarter Balanced + WCAS, Washington's statewide test, about 26 of every 100 students at this school read and write at grade level and about 18 of 100 do math at grade level. Across all Washington schools, those numbers are about 58 and 51. Reading and writing scores are down about 19 points since 2014, while math scores are down about 31 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 21% of students here test proficient in math and reading, compared with the roughly 22% typical for Washington schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Washington's top nor bottom 10%.
7-year change
SY 2017-18 vs SY 2024-25About Thorndyke Elementary
Set in SEATTLE, Washington, Thorndyke Elementary is a middle-of-the-pack primary school, overseen by Tukwila School District. It serves 386 students across grades pre-K through 5.
Across the 5 schools in Tukwila School District (2,886 students total), Thorndyke Elementary accounts for its share of the district's footprint.
In terms of who attends, Thorndyke Elementary reports that the largest single group is Hispanic at 36%, but no single group is in the majority. Other groups include 29% Black, 13% Asian, 10% White, 5% Pacific Islander. The wider county runs roughly 11% Hispanic, putting the school's mix visibly more Hispanic than the area baseline.
Looking at school resources, On paper, Thorndyke Elementary has 26 full-time-equivalent teachers, translating to a class-load average of around 14.7:1. The state averages around 17.3:1, so this campus is tighter than the state norm typical. An estimated 87% of students are eligible for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. That share is north of King County's rate of about 38%.
On a residual basis (actual vs predicted given the student mix), Thorndyke Elementary performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 22.1%, the actual is 21.2%, a residual of -0.9 points.
Around the school, ACS estimates for King County put median household income runs about $124,746, 57% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 5%. In all, King County runs 544 public schools (combined enrollment of about 278,492 students), of which Thorndyke Elementary is one.
The closest other public school is Showalter Middle School, roughly 0.5 miles away. 8 of the 8 nearest public schools sit inside a five-mile radius. Among the 8 schools in that immediate cluster with test data (this one included), Thorndyke Elementary ranks 6th on composite proficiency, below the local average of 29.6%.
The campus sits in a commuter-belt setting.
Trend over the last 7 years. Looking back 7 years, enrollment at Thorndyke Elementary has grew 4%, going from 372 students in 2018 to 386 in 2025. Asian enrollment moved from 19% to 13% across the same window.
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King County at a glance
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