Enrollment
415
Elementary
DISTRICT 419 · STATE 380
SCHOOL COMMUNITY·RENTON SCHOOL DISTRICT·NCES 530723001065
Bryn Mawr Elementary School
8212 S 118th St, Seattle, WA 98178 · (425) 204-4150 · King County
GRADES KG–05ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL415 STUDENTS
Student : Teacher
16.9:1
25 FTE teachers
DISTRICT 16.6:1 · STATE 17.3:1
Free / Reduced Lunch
62%
258 students
DISTRICT 52% · 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 |
|---|---|---|
| Kindergarten | 79 | 19% |
| Grade 1 | 70 | 17% |
| Grade 2 | 72 | 17% |
| Grade 3 | 76 | 18% |
| Grade 4 | 58 | 14% |
| Grade 5 | 60 | 14% |
This year's kindergarten class (79) is 32% larger than its 5th grade class (60).
Student demographics
78%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 78% · 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
Test scores
Smarter Balanced + WCAS 2024-25 . % Met or Exceeded StandardEnglish Language Arts
33.3%
WA avg 58.4% . +9.8pp since 2014
Math
34.4%
WA avg 51.2% . +7.2pp since 2014
What this means: On the Smarter Balanced + WCAS, Washington's statewide test, about 33 of every 100 students at this school read and write at grade level and about 34 of 100 do math at grade level. Across all Washington schools, those numbers are about 58 and 51. Reading and writing scores are up about 10 points since 2014, while math scores are up about 7 points.
Smarter Balanced + WCAS results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 33.3% | 34.4% |
| 2023-24 | 35.2% | 34.4% |
| 2022-23 | 38.1% | 30.5% |
| 2021-22 | 37.2% | 31.8% |
| 2018-19 | 50.0% | 54.4% |
| 2017-18 | 45.9% | 43.9% |
| 2016-17 | 38.2% | 37.1% |
| 2015-16 | 34.0% | 43.7% |
| 2014-15 | 23.5% | 27.3% |
% 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
34.1%
composite math + reading, all grades
Predicted
38.5%
based on WA schools with similar FRL share
Beats by
-4.4pp
below demographic expectation
What this means: About 34% of students here test proficient in math and reading, compared with the roughly 38% 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 Bryn Mawr Elementary School
Bryn Mawr Elementary School's state test result (34.1% proficient) is higher than 2 of the 4 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Bryn Mawr Elementary School this school | 415 | 62.2% | 34.1% |
| Cascade Elementary School Renton | 434 | 63.8% | 38.8% |
| Pathfinder Kindergarten Center Everett | 437 | 61.6% | N/A |
| Lake Hills Elementary Bellevue | 498 | 66.3% | 36.9% |
| Enterprise Elementary School FEDERAL WAY | 450 | 67.8% | 32.2% |
| Renton Park Elementary School Renton | 393 | 65.1% | 26.8% |
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 Bryn Mawr Elementary School ranks
Among elementary schools| Measure | This school | In Washington | In King County |
|---|---|---|---|
| State test proficiency ranked highest first | 34.1% | #735 of 936 | #225 of 280 |
| Math proficiency ranked highest first | 34.4% | #788 of 1,103 ▼ 33 | #218 of 281 ▼ 3 |
| Reading proficiency ranked highest first | 33.3% | #890 of 1,102 ▼ 48 | #231 of 280 ▼ 3 |
| 3-year test score change ranked biggest drop first | -0.6pp | #353 of 928 | #112 of 274 |
| Enrollment ranked largest first | 415 | #571 of 1,268 | #157 of 299 |
| Students per teacher ranked fewest first | 16.9:1 | #787 of 1,085 | #203 of 280 |
| Diversity index ranked most diverse first | 78.3% | #59 of 1,088 | #33 of 281 |
| Free and reduced lunch ranked highest share first | 62.2% | #405 of 1,169 | #79 of 292 |
| Enrollment change since 2017-18 ranked steepest decline first | -10.4% | #546 of 778 | #166 of 220 |
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
415
+23 (+6%) vs 2020
-5% since 1990-91, when it was 437
Student : Teacher
16.9:1
was 15.7:1
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 | 415 | 24.6 | 16.9:1 | 62% (258) |
| 2023-24 | 391 | 25.1 | 15.6:1 | 61% (240) |
| 2022-23 | 384 | 24.8 | 15.5:1 | 60% (232) |
| 2020-21 | 392 | 25 | 15.7:1 | 55% (214) |
| 2017-18 | 463 | 26.8 | 17.3:1 | 67% (310) |
| 2015-16 | 474 | 26 | 18.2:1 | 68% (324) |
| 2010-11 | 502 | 25 | 20.1:1 | 63% (318) |
| 2000-01 | 386 | 20 | 19.3:1 | N/A |
| 1990-91 | 437 | 20 | 21.9:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Bryn Mawr Elementary School.
Since 2017-18: students down 10% (463 to 415); teachers down 8% (26.8 to 24.6).
About Bryn Mawr Elementary School
Bryn Mawr Elementary School is a medium-sized elementary school serving families in Seattle, Washington. Classes run from kindergarten through 5, and the school has 415 students.
Bryn Mawr Elementary School is a school in Renton School District. The district has 29 schools and 14,873 students.
Bryn Mawr Elementary School has no majority group; Hispanic students are the largest, at 34%. Smaller groups are 19% Asian, 19% Black, 12% White, and 11% multiracial. County-wide, 11% of King County residents are Hispanic. Bryn Mawr Elementary School's diversity index is 78%, against a US figure of 70%.
The school reports 24.6 full-time-equivalent teachers, which works out to about 16.9 students per teacher. For comparison, elementary schools in Washington average 17.3:1. The free or reduced-price lunch share, often used to gauge student poverty, is 62%. Among public schools in King County, the average eligibility rate is 38%.
Bryn Mawr Elementary School's actual average proficiency rate on state tests (34.1%) and its predicted rate (38.5%) put it outside the top and bottom 10% of Washington schools.
King County has about 2,287,171 residents, and 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.
Dimmitt Middle School is the nearest neighboring public school, about 0.4 miles away. Within five miles of Bryn Mawr Elementary School, there are at least 8 other public schools. In a group of 7 nearby schools with scores, Bryn Mawr Elementary School ranks 3rd on average proficiency.
For locale, NCES codes Bryn Mawr Elementary School as Suburb: Large.
Enrollment has grown by 23 students since 2020-21, to 415. Students per teacher rose from 15.7 in 2020-21 to 16.9 in 2024-25.
Discussions about Bryn Mawr Elementary School may include school events, clubs, and volunteer needs. Questions from prospective families are welcome too.
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 Renton School District
- Hazen Senior High SchoolHigh · 1,796 students
- Renton Senior High SchoolHigh · 1,208 students
- Lindbergh Senior High SchoolHigh · 1,201 students
- Nelsen Middle SchoolMiddle · 913 students
- McKnight Middle SchoolMiddle · 811 students
- Vera Risdon Middle SchoolMiddle · 751 students
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
Other Bryn Mawr Elementary schools
2 other US public schools in 3 states are named Bryn Mawr Elementary. Bryn Mawr Elementary School is the 3rd largest of the 3.
- Bryn Mawr ElementaryLoma Linda, CA · 622 students
- Bryn Mawr ElementaryMINNEAPOLIS, MN · 431 students
Nearby schools
- Dimmitt Middle School0.4 mi · 605
- Lakeridge Elementary School0.5 mi · 287
- Talley High School0.9 mi · 248
- Campbell Hill Elementary School1.2 mi · 345
- Renton Senior High School1.4 mi · 1,208
- Sartori Elementary School1.5 mi · 510
Frequently asked questions
About Bryn Mawr Elementary SchoolWhat is the total enrollment at Bryn Mawr Elementary School?
Bryn Mawr Elementary School enrolls approximately 415 students in grades KG-05.
What grades does Bryn Mawr Elementary School serve?
Bryn Mawr Elementary School serves grades KG-05.
What is the student-teacher ratio at Bryn Mawr Elementary School?
The student-to-teacher ratio at Bryn Mawr Elementary School is approximately 16.9:1 (25 FTE teachers).
What is the racial breakdown of students at Bryn Mawr Elementary School?
At Bryn Mawr Elementary School, the student body is approximately 12% White, 34% Hispanic, 19% Black, 19% Asian, 11% Two or more.
Who oversees Bryn Mawr Elementary School?
Bryn Mawr Elementary School is overseen by Renton School District in King County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.