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SCHOOL COMMUNITY·SUMMIT PUBLIC SCHOOL: ATLAS·NCES 530034303611

Summit Public School: Atlas

9601 35th Avenue SW, Seattle, WA 98126 · (206) 307-7645 · King County
GRADES 06–12HIGH11-CITYCHARTERTITLE IREGULAR SCHOOL566 STUDENTS
B+
allk12 Grade
Scored higher than 72% of Washington public high schools
  • B+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • BBeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • A-Three-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 high schools

Enrollment
566
High
STATE 573
Student : Teacher
16.6:1
34 FTE teachers
STATE 21.6:1
Free / Reduced Lunch
43%
246 students
STATE 51%
Community
1
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

GradeStudentsShare
Grade 610819%
Grade 710318%
Grade 89316%
Grade 96912%
Grade 107413%
Grade 115510%
Grade 126411%
Student demographics
74%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
STATE 68% · US 70%
White
20737%
STATE 47% · US 43%
Hispanic
11120%
STATE 27% · US 30%
Black
12722%
STATE 5% · US 15%
Asian
356%
STATE 9% · US 6%
Two+
6111%
STATE 9% · US 5%
Native American
31%
STATE 1% · US 1%
Pacific Islander
10%
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
28350%
Female
26246%

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Test scores

Smarter Balanced + WCAS 2024-25 . % Met or Exceeded Standard
English Language Arts
51.3%
WA avg 58.4% . -8.7pp since 2017
Math
41.0%
WA avg 51.2% . -16.4pp since 2017

What this means: On the Smarter Balanced + WCAS, Washington's statewide test, about 51 of every 100 students at this school read and write at grade level and about 41 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 9 points since 2017, while math scores are down about 16 points.

Smarter Balanced + WCAS results by year

School yearEnglish Language ArtsMath
2024-2551.3%41.0%
2023-2453.5%39.4%
2022-2356.5%41.9%
2021-2250.7%32.9%
2018-1958.3%51.2%
2017-1860.0%57.5%
% 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
48.0%
composite math + reading, all grades
Predicted
51.0%
based on WA schools with similar FRL share
Beats by
-3.1pp
below demographic expectation

What this means: About 48% of students here test proficient in math and reading, compared with the roughly 51% 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: Atlas

Summit Public School: Atlas's state test result (48.0% proficient) is higher than 2 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Summit Public School: Atlas this school56643.5%48.0%
Summit Public School: Sierra
Seattle
21438.3%45.4%
Chief Sealth International High School
SEATTLE
1,18451.6%31.6%
Garfield High School
SEATTLE
1,50741.2%53.7%
Nathan Hale High School
SEATTLE
1,05238.8%49.9%
Curtis Junior High
UNIVERSITY PLACE
90439.4%57.1%
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: Atlas ranks

Among high schools
MeasureThis schoolIn WashingtonIn King County
State test proficiency
ranked highest first
48.0%#96 of 271#30 of 59
Math proficiency
ranked highest first
41.0%#72 of 321
▲ 3
#31 of 59
▲ 2
Reading proficiency
ranked highest first
51.3%#216 of 327
▼ 3
#44 of 61
▼ 1
3-year test score change
ranked biggest gain first
+4.4pp#50 of 259#4 of 57
Enrollment
ranked largest first
566#206 of 570#54 of 97
Students per teacher
ranked fewest first
16.6:1#39 of 311#9 of 67
Diversity index
ranked most diverse first
74.3%#35 of 316#24 of 67
Free and reduced lunch
ranked highest share first
43.5%#243 of 386#33 of 76
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 2024-25
Enrollment
566
+110 (+24%) vs 2020
Student : Teacher
16.6:1
was 16.9:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-255663416.6:143% (246)
2023-245452918.8:146% (253)
2022-234583015.3:141% (188)
2020-214562716.9:143% (196)
2017-181811215.1:143% (77)
Source: NCES Common Core of Data. Rows are the federal collections on file for Summit Public School: Atlas.

Since 2017-18: students up 213% (181 to 566); teachers up 183% (12 to 34).

About Summit Public School: Atlas

Summit Public School: Atlas serves students in Seattle, Washington, as a medium-sized high school. Students in grades 6 through 12 attend, and enrollment is 566 students.

The school serves as its own district in federal records.

White students form the largest group at Summit Public School: Atlas, 37% of enrollment. Enrollment also includes 22% Black, 20% Hispanic, 11% multiracial, and 6% Asian. Among people living in King County, the White share is about 55%. Summit Public School: Atlas has a diversity index of 74%, compared with 70% for all US public school students.

The school's student-to-teacher ratio is about 16.6:1, with 34 full-time-equivalent teachers. Among high schools in Washington, the typical ratio is 21.6:1. Lunch subsidy eligibility at Summit Public School: Atlas is 43%.

The allk12 Grade for Summit Public School: Atlas is B+. Compared with Washington public high schools, the school scored higher than 72% on a mix of test scores, poverty-adjusted results, and recent trend.

Summit Public School: Atlas's average proficiency rate on state tests of 48.0% is 3.1 points below the 51.0% the model predicts from its lunch-eligibility share.

Summit Public School: Atlas is located in King County, where median household income is about $124,746, the share of adults with a bachelor's degree or higher is 57%, and about 5% of people live in poverty. Summit Public School: Atlas is one of 544 public schools in King County, which together enroll about 278,492 students.

Bridges Transition is the nearest neighboring public school, about 0.3 miles away. A five-mile radius around the school includes at least 8 other public schools. Nearby schools average 37.6% on proficiency, and Summit Public School: Atlas is above that at 48.0%.

The NCES locale for Summit Public School: Atlas is City: Large, which covers schools inside a principal city with a population of 250,000 or more. Summit Public School: Atlas is one of the charter schools in Washington.

The 2024-25 enrollment of 566 was 24% higher than in 2020-21, when it was 456.

Community posts for Summit Public School: Atlas can cover science fairs, picture day, and bus routes. Questions from prospective families are welcome too.

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
Summit Public School: Atlas
District
Summit Public School: Atlas
Address
9601 35th Avenue SW, Seattle, WA 98126
Phone
(206) 307-7645
County
King County
Level
High
Grade range
06–12
Total enrollment
566
Teachers (FTE)
34
Student–teacher ratio
16.6:1
Free and reduced lunch
246 (43%)
Locale
11-City: Large
NCES ID
530034303611
Charter school
Yes
Virtual school
No

Related schools

Other schools in Seattle
Nearby schools

Frequently asked questions

About Summit Public School: Atlas
What is the total enrollment at Summit Public School: Atlas?
Summit Public School: Atlas enrolls approximately 566 students in grades 06-12.
Is Summit Public School: Atlas an elementary, middle, or high school?
Summit Public School: Atlas is a high school covering grades 06-12.
How many students per teacher at Summit Public School: Atlas?
Approximately 16.6:1 students per teacher at Summit Public School: Atlas.
How diverse is Summit Public School: Atlas?
Summit Public School: Atlas reports a student body of 37% White, 20% Hispanic, 22% Black, 6% Asian, 11% Two or more.
What district is Summit Public School: Atlas in?
Summit Public School: Atlas is part of Summit Public School: Atlas.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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