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Charter middle school · Rainier Prep Charter School District · Seattle, Washington

Rainier Prep

Rainier Prep rates 9.4, right at the middle of Rainier Prep Charter School District's middle schools, whose rated median is 9.4.

Middle schools, 1 to 10This campus against public middle schools around it that are rated on verified state test data.
9.4this school

9.4 on a one-to-ten scale; the Rainier Prep Charter School District median is 9.4.

#5 of 2,251 schools in Washington · Rainier Prep Charter School District: 1 middle schools rated, median 9.4

The brief

A charter middle school in Seattle, WA where students score 34 points above what's typical for similar communities.

It ranks 5 of 2,251 schools in Washington and 1 of 1 in Rainier Prep Charter School District.

Rainier Prep is a charter school: it enrolls by application rather than by address, so check its enrollment process directly before choosing a neighborhood for it.

Math68%26 points above the Washington average of 42%2026 SBA
Reading71%19 points above the Washington average of 52%2026 SBA
Proficiency has improved 9 points since 2024, reaching 69% in 2026, across a 3-year record (2024–2026).2026 SBA; 49 test records from WA state assessments and EdFacts (NCES).

What the rating is made of, each out of 10

Student Progress
9.5
40% of the rating
Academics
9.5
35% of the rating
Resources & Environment
9.3
25% of the rating
About this school's data1 correction under review · rating: low confidence · 6 sources, 2019–2026

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, an estimate, or describes a surrounding area rather than the school, that limitation is named here.

Attendance data is under correction. This existing Resources & Environment score and overall rating may still reflect an unverified attendance input.

Full Profile · 3/3 metrics

Multi-year averages used by the rating model: math 60% (multi-year average, 2016-2026) · reading/ELA 65% (multi-year average, 2016-2026).

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2026 SBA · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2026 SBA. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2026 SBA · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2026 SBA. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
State assessments · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 98168; this does not measure the attendance area.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2016-2026; directory SY 2023–24

About our dataHow we calculate scores

The neighborhood

Where it sits, and what the area looks like.
Rainier Prep and the 20 nearest middle schools, each pin colored by its score.Pins are locations, not attendance boundaries. Verify the enrollment path with the district.

Open the Seattle school map to see school quality against home prices across the metro.

The area

Median income
$84,937
Median home value
$500,600
Median rent
$1,724/mo
College educated
24%
Homeownership
53.2%
Poverty rate
14.5%

U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 98168; this is area context, not an attendance boundary.

Getting around

Walk Score
18
Car-Dependent
Bike Score
34
Somewhat Bikeable
City reported crime
5,139/100K
Reported Part-1 offenses (violent + property + arson) per 100,000 residents, from the FBI Uniform Crime Reporting program for Seattle. This is a city-level reported-crime measure, not a school safety rating.

Walk, transit and bike scores byWalk Score

FBI Uniform Crime Reporting · 2025 · city context (Seattle), not school-level safety or attendance eligibility. Source details

Source period: 2025. Freshness not available.

Programs and who goes here

What the campus offers, and who it enrolls.

Who goes here

Free or reduced lunch
68.8%
Students qualifying for federal meal assistance. Shown separately, never in the score.

NCES Common Core of Data (CCD).

Compare nearby

Grade-compatible schools using the same rating model.
Public-school ratings. Grade-compatible schools within 5 miles, best rated first.
  1. Rainier Prepthis school
    9.4
  2. Mercer International Middle School3.7 mi
    8.9Compare →
  3. David T. Denny International Middle School2.6 mi
    8.3Compare →
  4. Aki Kurose Middle School2.9 mi
    6.3Compare →
  5. Cascade Middle School1.5 mi
    6.3Compare →
  6. Highline Public Schools Virtual Academy3.5 mi
    5.6Compare →
  7. Showalter Middle School3.2 mi
    4.8Compare →
  8. Glacier Middle School2.5 mi
    3.6Compare →
  9. Bridges Transition2.5 mi
    3.2Compare →
Eight grade-compatible schools using the same rating model sit within 5 miles, and none rates higher than Rainier Prep.Public-school ratings. Straight-line distance from this campus. Pins are locations, not attendance boundaries; verify the enrollment path with the district.

Distance is proximity only; it is not attendance eligibility.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

The record

What is on file, and where each number came from.

The public record

What's said publicly about Rainier Prep

Sources:School's website

Synthesized from public, attributable sources. Updated May 2026.

Rainier Prep is a public charter school serving grades 5 through 8 1. The institution operates as an open-enrollment, full inclusion school 1. Its mission is to prepare students for four-year colleges and to develop them into community leaders, lifelong learners, changemakers, and advocates 1. The school emphasizes creating enrichment spaces to foster student passions and leadership skills through interests in arts, athletics, STEM, and social justice 1. Additionally, Rainier Prep is committed to providing equitable opportunities for all students while valuing and celebrating diverse backgrounds, cultures, and perspectives 1.
Sources (1)
  1. rainierprep.org
Generated by AI from public sources. Every claim is grounded in a cited source.Report inaccuracy

Questions families ask

What grades does Rainier Prep serve?

Rainier Prep serves students in grades 5th through 8th.

How many students attend Rainier Prep?

Rainier Prep has an enrollment of approximately 333 students.

What is the student-teacher ratio at Rainier Prep?

The student-teacher ratio at Rainier Prep is 14.5:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Rainier Prep rank in WA?

Rainier Prep ranks #5 of 2,251 schools in WA.

What is Rainier Prep's MySchoolScout rating?

Rainier Prep has a current MySchoolScout rating of 9.4 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Rainier Prep?

Based on loaded state assessment records, Rainier Prep has 60% math proficiency (multi-year average, 2016-2026) and 65% reading/ELA proficiency (multi-year average, 2016-2026).

Is Rainier Prep a charter school?

Yes, Rainier Prep is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.

Is Rainier Prep a Title I school?

No, Rainier Prep is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Rainier Prep?

68.8% of students at Rainier Prep qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

School facts

Grades
5th – 8th
Enrollment
333
Student-teacher ratio
14.5:1
Teachers (FTE)
23
Type
Regular
Title I
No
Setting
Large Suburb
County
King County
Phone
(206) 494-5979
Rank in district
#1 of 1
Schools in district
1
District spending per student
$18,821
NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
Not available
The source release did not match this district identifier.
Area population (ZIP 98168)
34,814
Area average commute
27.1 min
Area median age
38

NCES Common Core of Data (CCD) (SY 2023–24).

Sources and official links

Keep exploring

Related reading

Data from NCES Common Core of Data, Washington Dept. of Education, and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.