Elementary school (grades K-5) · Seattle, WA
Rainier Prep
Federal NCES profile for Rainier Prep, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 47/100.
The verdict
Rainier Prep earns 47/100 on the Resource Investment Index, with class sizes near the Washington median.
- #6 of 10
- elementary schools in Seattle · Resource Index
- 47
- Resource Index · Typical
- 15:1
- students per teacher
- 60.6%
- free-lunch eligible
Rainier Prep has class sizes near the Washington median. Computed live against every Washington school reporting to NCES.
By Resource Investment Index, Rainier Prep ranks #6 of 10 elementary schools in Seattle, WA.
School address
NCES ID 530033503533 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+3 students YoY
Rainier Prep held near 333 students from 2022-23 to 2023-24 (+3 headcount).
Teacher FTE lost 24.9 → 23.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+3 students YoY 530033503533 · Seattle, WA Elementary · SMALL · CHARTER
359 enr · 15:1 · 60.6% lunch · RII 47
Nearest enrollment peer: Marguerite Vann Elem. School (359 students)
Rainier Prep held near 333 students from 2022-23 to 2023-24 (+3 headcount). Teacher FTE lost 24.9 → 23.0 across the same CCD years. Read with this school → · District book → · Washington schools → · Find another →
How Rainier Prep compares
Rainier Prep held steady on CCD headcount: ratios and free-lunch share vs Washington and U.S. means.
| Metric | This school | vs Washington | Washington avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 15:1 | ▼ 15% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 60.6% | ▲ 35% | 45.0% | 51.7% |
| Enrollment | 359 | top 54% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Equity indicators methodology
Student demographics
Largest group: African American at 50.7% of enrollment.
Simpson diversity index - at 64.0, Rainier Prep is more mixed than the Washington school average of 53.3.
Programs
District finance for Rainier Prep Charter School District reports $18,821 per pupil (NCES F-33) - open the district page for the full revenue mix.
Similar elementary schools in Seattle
6 comparable elementary schools (grades K-5) serving the same city.
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~359 students)
Frequently asked questions about Rainier Prep
How many students attend Rainier Prep?
Rainier Prep has 359 students enrolled. It is an elementary school in Seattle, WA. CCD year-over-year: 330 (2022-23) → 333 (2023-24), nearly flat (+3).
What is the student-teacher ratio at Rainier Prep?
The student-teacher ratio at Rainier Prep is 15:1, which is 15% lower than the Washington average of 17.6:1 and 4% 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 Rainier Prep?
60.6% of students at Rainier Prep are eligible for free lunch, compared to the Washington average of 45.0%.
What is the racial and ethnic makeup of Rainier Prep?
The largest demographic group at Rainier Prep is African American at 50.7% of enrollment, in Seattle, WA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 64.0/100.
What is the Resource Investment Index for Rainier Prep?
Rainier Prep has a Resource Investment Index of 47/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Rainier Prep rank among elementary schools in Seattle?
By Resource Investment Index, Rainier Prep ranks #6 of 10 elementary 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 elementary schools in Seattle on the city page.
What other schools are in Rainier Prep Charter School District?
None; Rainier Prep Charter School District is a single-school charter district, and Rainier Prep is its only campus.