Enrollment
386
Elementary
DISTRICT 442 · STATE 380
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
C-
allk12 Grade
Scored higher than 18% of Washington public elementary schools
- FTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- CBeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- AThree-year trend Change in reading and math proficiency over the last three test years.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Washington public elementary schools
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
| Grade | Students | Share |
|---|---|---|
| Pre-K | 37 | 10% |
| Kindergarten | 57 | 15% |
| Grade 1 | 64 | 17% |
| Grade 2 | 66 | 17% |
| Grade 3 | 52 | 13% |
| Grade 4 | 57 | 15% |
| Grade 5 | 53 | 14% |
This year's kindergarten class (57) is 8% larger than its 5th grade class (53).
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%
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
School pathway
Students here typically continue to
Thorndyke Elementary→Showalter Middle School
Based on grade levels within Tukwila School District. Attendance zones can vary; confirm enrollment with the district.
Test scores
Smarter Balanced + WCAS 2024-25 . % Met or Exceeded StandardEnglish 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 year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 26.4% | 17.9% |
| 2023-24 | 16.3% | 17.4% |
| 2022-23 | 16.4% | 21.9% |
| 2021-22 | 15.7% | 12.1% |
| 2018-19 | 29.6% | 28.6% |
| 2017-18 | 28.1% | 30.2% |
| 2016-17 | 42.2% | 38.3% |
| 2015-16 | 44.3% | 36.5% |
| 2014-15 | 45.5% | 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 · methodologyTier
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 →
Schools most like Thorndyke Elementary
Thorndyke Elementary's state test result (21.2% proficient) is higher than 1 of the 4 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Thorndyke Elementary this school | 386 | 86.5% | 21.2% |
| Panther Lake Elementary School FEDERAL WAY | 427 | 83.8% | 24.0% |
| McMicken Heights Elementary SeaTac | 484 | 76.0% | 34.7% |
| Bow Lake Elementary SeaTac | 524 | 75.6% | 18.1% |
| Federal Way Public School ECEAP Federal Way | 348 | 80.7% | N/A |
| Lister Elementary School Tacoma | 376 | 78.7% | 28.2% |
Matched among Washington elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Thorndyke Elementary ranks
Among elementary schools| Measure | This school | In Washington | In 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 ▼ 12 | #272 of 281 ▼ 4 |
| Reading proficiency ranked highest first | 26.4% | #1,004 of 1,102 ▲ 76 | #257 of 280 ▲ 19 |
| 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 |
| Free and reduced lunch ranked highest share first | 86.5% | #52 of 1,169 | #2 of 292 |
| 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. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
386
+41 (+12%) vs 2020
+11% since 1990-91, when it was 349
Student : Teacher
14.7:1
was 14.4:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 386 | 26.3 | 14.7:1 | 87% (334) |
| 2023-24 | 373 | 24.3 | 15.3:1 | 92% (342) |
| 2022-23 | 370 | 24.3 | 15.2:1 | 85% (314) |
| 2020-21 | 345 | 24 | 14.4:1 | 83% (287) |
| 2017-18 | 372 | 24.6 | 15.1:1 | 84% (312) |
| 2015-16 | 426 | 25 | 17.0:1 | 83% (352) |
| 2010-11 | 390 | 22 | 17.7:1 | 78% (306) |
| 2000-01 | 412 | 22 | 18.7:1 | N/A |
| 1990-91 | 349 | 14 | 24.9:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Thorndyke Elementary.
Since 2017-18: students up 4% (372 to 386); teachers up 7% (24.6 to 26.3).
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 is graded C- by allk12, scoring above 18% of Washington public elementary schools once test results, poverty-adjusted performance, and the recent trend are combined.
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, 41 more than the 345 it had in 2020-21.
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 profilePopulation
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
Related schools
Other schools in Tukwila School District
- Foster Senior High SchoolHigh · 910 students
- Showalter Middle SchoolMiddle · 651 students
- Cascade View ElementaryElementary · 481 students
- Tukwila ElementaryElementary · 458 students
- Gateway to CollegeHigh
- Renton Technical CollegeHigh
Other schools in SEATTLE
- Lincoln High SchoolHigh · 1,770 students
- Ballard High SchoolHigh · 1,697 students
- Roosevelt High SchoolHigh · 1,542 students
- Garfield High SchoolHigh · 1,507 students
- West Seattle High SchoolHigh · 1,479 students
- Ingraham High SchoolHigh · 1,391 students
Nearby schools
- Showalter Middle School0.5 mi · 651
- Foster Senior High School0.5 mi · 910
- Impact Public Schools0.6 mi · 505
- Tukwila Elementary0.8 mi · 458
- McMicken Heights Elementary1.1 mi · 484
- Cascade View Elementary1.2 mi · 481
Frequently asked questions
About Thorndyke ElementaryWhat 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.