Enrollment
214
High
STATE 573
SCHOOL COMMUNITY·SUMMIT PUBLIC SCHOOL: SIERRA·NCES 530033403510
Summit Public School: Sierra
1025 S King St, Seattle, WA 98104 · (206) 453-2520 · King County
GRADES 09–12HIGH11-CITYCHARTERREGULAR SCHOOL214 STUDENTS
Student : Teacher
15.3:1
14 FTE teachers
STATE 21.6:1
Free / Reduced Lunch
38%
82 students
STATE 51%
Community
0
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 9 | 43 | 20% |
| Grade 10 | 59 | 28% |
| Grade 11 | 50 | 23% |
| Grade 12 | 62 | 29% |
Student demographics
71%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
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
QUIET COMMUNITY
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START A DISCUSSIONTest scores
Smarter Balanced + WCAS 2024-25 . % Met or Exceeded StandardEnglish Language Arts
50.0%
WA avg 58.4% . -16.3pp since 2017
Math
23.3%
WA avg 51.2% . -12.6pp since 2017
What this means: On the Smarter Balanced + WCAS, Washington's statewide test, about 50 of every 100 students at this school read and write at grade level and about 23 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 16 points since 2017, while math scores are down about 13 points.
Smarter Balanced + WCAS results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 50.0% | 23.3% |
| 2023-24 | 67.4% | 41.3% |
| 2022-23 | 60.3% | 25.4% |
| 2021-22 | 56.3% | 25.4% |
| 2018-19 | 59.8% | 43.9% |
| 2017-18 | 66.3% | 36.0% |
% 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
45.4%
composite math + reading, all grades
Predicted
54.5%
based on WA schools with similar FRL share
Beats by
-9.1pp
below demographic expectation
What this means: About 45% of students here test proficient in math and reading, compared with the roughly 55% 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 Summit Public School: Sierra
Summit Public School: Sierra's state test result (45.4% proficient) is higher than 1 of the 4 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Summit Public School: Sierra this school | 214 | 38.3% | 45.4% |
| Summit Public School: Atlas Seattle | 566 | 43.5% | 48.0% |
| Middle College High School SEATTLE | 93 | 47.3% | 52.6% |
| Green Hill Academic School Chehalis | 163 | 52.8% | N/A |
| Garfield High School SEATTLE | 1,507 | 41.2% | 53.7% |
| Chief Sealth International High School SEATTLE | 1,184 | 51.6% | 31.6% |
Matched among Washington high 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 Summit Public School: Sierra ranks
Among high schools| Measure | This school | In Washington | In King County |
|---|---|---|---|
| State test proficiency ranked highest first | 45.4% | #120 of 271 | #34 of 59 |
| Math proficiency ranked highest first | 23.3% | #213 of 321 ▼ 148 | #39 of 59 ▼ 8 |
| Reading proficiency ranked highest first | 50.0% | #222 of 327 ▼ 113 | #45 of 61 ▼ 13 |
| 3-year test score change ranked biggest drop first | -4.2pp | #74 of 259 | #17 of 57 |
| Enrollment ranked largest first | 214 | #310 of 570 | #67 of 97 |
| Students per teacher ranked fewest first | 15.3:1 | #24 of 311 | #8 of 67 |
| Diversity index ranked most diverse first | 71.1% | #59 of 316 | #33 of 67 |
| Free and reduced lunch ranked highest share first | 38.3% | #280 of 386 | #38 of 76 |
| Enrollment change since 2017-18 ranked steepest decline first | -27.9% | #12 of 164 | #7 of 34 |
Ranked against other public high 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
214
-151 (-41%) vs 2020
Student : Teacher
15.3:1
was 15.9:1
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 | 214 | 14 | 15.3:1 | 38% (82) |
| 2023-24 | 221 | 13.2 | 16.7:1 | 44% (98) |
| 2022-23 | 235 | 17 | 13.8:1 | 36% (84) |
| 2020-21 | 365 | 23 | 15.9:1 | 32% (117) |
| 2017-18 | 297 | 2 | 148.5:1 | 32% (94) |
| 2015-16 | 111 | 6 | 18.5:1 | 49% (54) |
Source: NCES Common Core of Data. Rows are the federal collections on file for Summit Public School: Sierra.
Since 2017-18: students down 28% (297 to 214); teachers up 600% (2 to 14).
About Summit Public School: Sierra
Summit Public School: Sierra is a very small high school in Seattle, Washington, (ZIP code 98104). Total enrollment is 214 students, and the grades served are 9 through 12. High schools in Washington have about 573 students on average; enrollment here is 63% lower.
Summit Public School: Sierra is its own local education agency in federal data.
The largest racial or ethnic group at Summit Public School: Sierra is White, with 41% of students. The next largest groups are 26% Black, 13% Hispanic, 12% multiracial, and 4% Asian. The school's White share is 14 points below the 55% share among King County residents. The diversity index for Summit Public School: Sierra is 71%. For US public schools as a whole it is 70%.
The student-to-teacher ratio at Summit Public School: Sierra is 15.3:1, based on 14 full-time-equivalent teachers. The average for high schools in Washington, 21.6:1, is higher. Summit Public School: Sierra counts 38% of students as eligible for free or reduced-price lunch. Public schools in King County average a similar 38%.
The BeatsExpectations prediction for Summit Public School: Sierra is 54.5%, and its average proficiency rate across its state test results is 45.4%.
King County is the school's county. There, the median household earns about $124,746 a year, a bachelor's degree or higher is held by about 57% of adults, and the share of residents below the poverty line is 5%. Public schools in King County number 544, with about 278,492 students.
Among nearby public schools, Bailey Gatzert Elementary School is closest at about 0.3 miles. In all, at least 8 other public schools sit within five miles of Summit Public School: Sierra. Among the 6 closest schools with test data, this one included, Summit Public School: Sierra ranks 4th on average proficiency.
Its location is classified as City: Large by the National Center for Education Statistics. Summit Public School: Sierra is a charter school, a type of public school that operates under a charter.
In 2020-21, federal data counted 365 students at Summit Public School: Sierra; in 2024-25, 214. The grades served may not have been the same in both years.
This page collects posts and questions about Summit Public School: Sierra, such as athletics, class schedules, and weather closures. Members of the school community can share what they know.
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 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
- Bailey Gatzert Elementary School0.3 mi · 402
- Interagency Detention School0.4 mi · 47
- Washington Middle School0.7 mi · 566
- Beacon Hill International School0.9 mi · 348
- Garfield High School0.9 mi · 1,507
- Thurgood Marshall Elementary1.0 mi · 500
Frequently asked questions
About Summit Public School: SierraHow large is Summit Public School: Sierra?
Summit Public School: Sierra enrolls approximately 214 students in grades 09-12.
Is Summit Public School: Sierra an elementary, middle, or high school?
Summit Public School: Sierra is a high school covering grades 09-12.
How many teachers does Summit Public School: Sierra have?
Summit Public School: Sierra employs 14 FTE teachers, for a student-to-teacher ratio of 15.3:1.
What is the student diversity at Summit Public School: Sierra?
Student demographics at Summit Public School: Sierra are roughly 41% White, 13% Hispanic, 26% Black, 4% Asian, 12% Two or more.
What district is Summit Public School: Sierra in?
Summit Public School: Sierra is part of Summit Public School: Sierra.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.