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SCHOOL COMMUNITY·TUKWILA SCHOOL DISTRICT·NCES 530813001343

Thorndyke Elementary

4415 S 150TH ST, SEATTLE, WA 98188 · (206) 901-7600 · King County
GRADES PK–05ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL386 STUDENTS
Enrollment
386
Elementary
DISTRICT 442 · STATE 380
Student : Teacher
14.7:1
26 FTE teachers
DISTRICT 18.6:1 · STATE 17.3:1
Free / Reduced Lunch
87%
334 students
DISTRICT 77% · STATE 51%
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Pre-K3710%
Kindergarten5715%
Grade 16417%
Grade 26617%
Grade 35213%
Grade 45715%
Grade 55314%
Student demographics
74%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 76% · STATE 68% · US 70%
White
3710%
DISTRICT 10% · STATE 47% · US 43%
Hispanic
13836%
DISTRICT 36% · STATE 27% · US 30%
Black
11129%
DISTRICT 22% · STATE 5% · US 15%
Asian
5213%
DISTRICT 22% · STATE 9% · US 6%
Two+
164%
DISTRICT 6% · STATE 9% · US 5%
Native American
21%
DISTRICT 0% · STATE 1% · US 1%
Pacific Islander
185%
DISTRICT 4% · STATE 2% · US 0%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
19551%
Female
17946%

School pathway

Students here typically continue to
Thorndyke ElementaryShowalter Middle School
Based on grade levels within Tukwila School District. Attendance zones can vary; confirm enrollment with the district.

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Test scores

Smarter Balanced + WCAS 2024-25 . % Met or Exceeded Standard
English Language Arts
26.4%
WA avg 58.4% . -19.1pp since 2014
Math
17.9%
WA avg 51.2% . -30.5pp since 2014

What 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.

Smarter Balanced + WCAS results by year

School yearEnglish Language ArtsMath
2024-2526.4%17.9%
2023-2416.3%17.4%
2022-2316.4%21.9%
2021-2215.7%12.1%
2018-1929.6%28.6%
2017-1828.1%30.2%
2016-1742.2%38.3%
2015-1644.3%36.5%
2014-1545.5%48.5%
% Met or Exceeded Standard, all students and all tested grades.
Source: Smarter Balanced + WCAS. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
21.2%
composite math + reading, all grades
Predicted
22.1%
based on WA schools with similar FRL share
Beats by
-0.9pp
below demographic expectation

What 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%.

BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

Where Thorndyke Elementary ranks

Among elementary schools
MeasureThis schoolIn WashingtonIn King County
State test proficiency
ranked highest first
21.2%#899 of 936#270 of 280
Math proficiency
ranked highest first
17.9%#1,057 of 1,103#272 of 281
Reading proficiency
ranked highest first
26.4%#1,004 of 1,102#257 of 280
3-year test score change
ranked biggest gain first
+8.3pp#124 of 928#25 of 274
Enrollment
ranked largest first
386#687 of 1,268#195 of 299
Students per teacher
ranked fewest first
14.7:1#266 of 1,085#63 of 280
Diversity index
ranked most diverse first
74.3%#159 of 1,088#93 of 281
Enrollment change since 2017-18
ranked fastest growth first
+3.8%#197 of 257#39 of 54
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list.

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
386
+14 (+4%) vs 2017
Student : Teacher
14.7:1
was 15.1:1
% White
10%
was 8%
% Hispanic
36%
was 33%
% Black
29%
was 25%
% Asian
13%
was 19%
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree or reduced lunch
2024-2538626.314.7:187% (334)
2023-2437324.315.3:192% (342)
2022-2337024.315.2:185% (314)
2017-1837224.615.1:184% (312)
Source: NCES Common Core of Data. Rows are the federal collections on file for Thorndyke Elementary.

About Thorndyke Elementary

Thorndyke Elementary sits in SEATTLE, Washington, and is classified as an elementary school. The school reports 386 students in pre-K through 5.

Thorndyke Elementary is one of the 5 schools that make up Tukwila School District (2,886 students in total).

Thorndyke Elementary has no majority group; Hispanic students are the largest, at 36%. The remaining students are 29% Black, 13% Asian, 10% White, and 5% Pacific Islander. Among people living in King County, the Hispanic share is about 11%. Pick two students at random and there is a 74% chance they belong to different racial or ethnic groups; that figure is the school's diversity index.

The count of teachers at Thorndyke Elementary is 26.3 full-time equivalents, for a ratio of 14.7:1. That is lower than the 17.3:1 average for elementary schools in Washington. The school counts 334 students as eligible for free or reduced-price lunch, or 87%. For comparison, public schools in King County average 38%.

Thorndyke Elementary's average proficiency rate on state tests of 21.2% is within a point of the 22.1% the model predicts from its lunch-eligibility share.

Census estimates describe King County this way: the median household income is $124,746, a bachelor's degree or higher is held by about 57% of adults, and the share of residents below the poverty line is 5%. In all, King County has 544 public schools and roughly 278,492 students.

Showalter Middle School is the public school closest to Thorndyke Elementary, about 0.5 miles away. The count of other public schools within five miles is at least 8. Thorndyke Elementary is 6th of 8 nearby schools by average proficiency rate.

In the federal locale system, Thorndyke Elementary is coded Suburb: Large, for schools in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.

The school enrolled 386 students in 2024-25, 14 more than the 372 it had in 2017-18. The Asian share was 19% in 2017-18 and 13% in 2024-25.

Community posts for Thorndyke Elementary can cover enrollment questions, class placement, and PTA news. Alumni can share how the school prepared them.

King County at a glance

View full county profile
Population
2,287,171
Census ACS
Median income
$124,746
Household, ACS
Bachelor's+
57%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
544
278,492 students

Quick facts

School name
Thorndyke Elementary
District
Tukwila School District
Address
4415 S 150TH ST, SEATTLE, WA 98188
Phone
(206) 901-7600
County
King County
Level
Elementary
Grade range
PK–05
Total enrollment
386
Teachers (FTE)
26
Student–teacher ratio
14.7:1
Free/Reduced lunch
334 (87%)
Locale
21-Suburb: Large
NCES ID
530813001343
Charter school
No
Virtual school
No

Related schools

Other schools in Tukwila School District
Other schools in SEATTLE
Nearby schools

Frequently asked questions

About Thorndyke Elementary
What is the total enrollment at Thorndyke Elementary?
Thorndyke Elementary enrolls approximately 386 students in grades PK-05.
What grades does Thorndyke Elementary serve?
Thorndyke Elementary serves grades PK-05.
How many students per teacher at Thorndyke Elementary?
Approximately 14.7:1 students per teacher at Thorndyke Elementary.
What is the student diversity at Thorndyke Elementary?
Student demographics at Thorndyke Elementary are roughly 10% White, 36% Hispanic, 29% Black, 13% Asian, 4% Two or more.
Is Thorndyke Elementary public or private?
Thorndyke Elementary is a public K-12 school, overseen by Tukwila School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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