High school (grades 9-12) · Seattle, WA

Summit Public School: Sierra

Federal NCES profile for Summit Public School: Sierra, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 40/100.

2024-25 NCES dataHigh school (grades 9-12)NCES 530033403510Charter school
0/100100/10040/100
👥 S:T ratio
50
📚 AP courses
40
🌟 Gifted program
70
📋 Attendance
0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Summit Public School: Sierra earns 40/100 on the Resource Investment Index, with class sizes smaller than 86% of Washington schools.

#4 of 6
high schools in Seattle · Resource Index
40
Resource Index · Typical
12.6:1
small classes for Washington
29.4%
free-lunch eligible

Summit Public School: Sierra has class sizes smaller than 86% of Washington schools. Computed live against every Washington school reporting to NCES.

By Resource Investment Index, Summit Public School: Sierra ranks #4 of 6 high schools in Seattle, WA.

Enrollment

214

Washington · 2024-25 NCES data

Teachers (FTE)

17.0

Federal CCD staff survey

Students per teacher

12.6:1

vs 17.6:1 Washington avg

-28% vs state

Free-lunch eligible

29.4%

vs 45.0% Washington avg

-35% vs state

Student-teacher ratio in context

How Summit Public School: Sierra compares with Washington and U.S. medians

Smaller classes than state median
0:135:112.6:1

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at Summit Public School: Sierra

Summit Public School: Sierra is a mid-sized charter high school in Seattle, Washington, enrolling 214 students.

Classes run notably small here: at 12.6:1, Summit Public School: Sierra is leaner than roughly 86% of Washington schools and 28% under the state's 17.6:1 norm, more adult attention per pupil than most peers.

Economic need runs somewhat below the state's typical profile, with 29.4% of students eligible for free meals.

Enrollment of 214 puts it in the smaller third of Washington schools by headcount.

Its Resource Investment Index lands in the lower third of 2,394 scored Washington schools.

Among 128 similarly sized, similarly resourced-need Washington schools statewide, it ranks #98, in the lower tier once campus size and economic need are matched.

Its student body is led by White (43%) and African American (27%) (diversity index 71/100).

On the academic-pipeline side it reports 8 Advanced Placement courses.

Chronic absenteeism is elevated: 46.7% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).

Among Seattle's high schools, it stands alongside Lincoln High School (1,770 students): Summit Public School: Sierra is smaller than that campus by headcount and runs leaner classes (12.6:1 vs 24.6:1).

Summit Public School: Sierra is a single-school charter district, so Summit Public School: Sierra operates independently rather than alongside district-mates.

Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.

Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25

How Summit Public School: Sierra compares

Summit Public School: Sierra on the metrics families compare, against Washington and U.S. means.

Metric This school vs Washington Washington avg U.S. avg
Students per teacher 12.6:1 ▼ 28% 17.6:1 15.7:1
Free-lunch eligible 29.4% ▼ 35% 45.0% 51.7%
Enrollment 214 top 72% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

12.6:1
Leaner classes than 70% of US schools, among the more generously staffed nationally.
214
Bigger than 21% of US schools by enrollment, mid-sized for the country.

Equity indicators (what these measure)

Economic need
29.4%
free-lunch eligible - 35% below the Washington average of 45.0%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
12.6:1
students per teacher - 28% below state mean
Top 14% in Washington - lower ratio than 86% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
46.7%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$17,260
per pupil, district-wide - below Washington avg of $19,487
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 17 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 7.9 per 100 students. Reported via the Civil Rights Data Collection.

Overview

  • Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
  • Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
  • F-33 School District Finance Survey: the district-wide per-pupil spending figures below.

Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.

Student demographics

White 42.5%
African American 27.1%
Hispanic or Latino 13.5%
Two or More 12.6%
Asian 3.9%
American Indian / Alaska Native 0.5%

Largest group: White at 42.5% of enrollment.

Student-body diversity index 71.0/100

Simpson diversity index - at 71.0, Summit Public School: Sierra is more mixed than the Washington school average of 53.3.

Programs

AP courses offered 8
Gifted & talented Yes

Funding & spending

District-wide per-pupil expenditure for Summit Public School: Sierra, which includes Summit Public School: Sierra.

$17,260
Per student
-11%
vs Washington
Avg $19,487
+4%
vs U.S.
Avg $16,593
Revenue mix
Local 8.8%
State 76.5%
Federal 14.7%

Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.

Similar high schools in Seattle

5 comparable high schools (grades 9-12) serving the same city.

Similar high schools statewide

Matched by enrollment size and by staffing ratio across all of Washington, not just this city - a different peer set than the local comparisons above.

Next steps

Verify locally before acting on Summit Public School: Sierra's federal record.

Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.

Frequently asked questions about Summit Public School: Sierra

How many students attend Summit Public School: Sierra?

Summit Public School: Sierra has 214 students enrolled. It is a high school in Seattle, WA.

What is the student-teacher ratio at Summit Public School: Sierra?

The student-teacher ratio at Summit Public School: Sierra is 12.6:1, which is 28% lower than the Washington average of 17.6:1 and 20% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.

What percentage of students receive free lunch at Summit Public School: Sierra?

29.4% of students at Summit Public School: Sierra are eligible for free lunch, compared to the Washington average of 45.0%.

What is the racial and ethnic makeup of Summit Public School: Sierra?

The largest demographic group at Summit Public School: Sierra is White at 42.5% of enrollment, in Seattle, WA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 71.0/100.

What is the Resource Investment Index for Summit Public School: Sierra?

Summit Public School: Sierra has a Resource Investment Index of 40/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).

How does Summit Public School: Sierra rank among high schools in Seattle?

By Resource Investment Index, Summit Public School: Sierra ranks #4 of 6 high schools in Seattle, WA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Seattle on the city page.

Is Summit Public School: Sierra a good school?

Summit Public School: Sierra earns 40/100 on the Resource Investment Index, with class sizes smaller than 86% of Washington schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.

What other schools are in Summit Public School: Sierra?

None; Summit Public School: Sierra is a single-school charter district, and Summit Public School: Sierra is its only campus.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.