Enrollment
359
Washington · 2024-25 NCES data
2024-25 NCES data Elementary school (grades K-5) NCES 530033503533 Charter school
Rainier Prep — Seattle, WA
Federal NCES profile for Rainier Prep, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — Resource Investment Index 49/100.
👥 Class size 45
🌟 Gifted program 30
🎓 Counselors 28
📋 Attendance 92
How this works: Each indicator above is scored 0–100 from federal NCES and CRDC data, then averaged into the Resource Investment Index. This measures resource allocation — staffing, programs, and support services — not standardized test scores or academic outcomes. Full methodology →
School address
District: Rainier Prep Charter School District · Washington
Public location data per NCES (National Center for Education Statistics) Common Core of Data. Verify the school's current address on the NCES CCD record.
Teachers (FTE)
24.0
Federal CCD staff survey
Students per teacher
13.8:1
vs 17.8:1 Washington avg
-22% vs state
Free-lunch eligible
60.6%
vs 45.0% Washington avg
+35% vs state
Student-teacher ratio in context
How Rainier Prep compares with Washington and U.S. medians
The federal record — no proprietary index, no editorial formula.
PlainSchools publishes the actual federal measurements — enrollment, staffing, demographics, discipline, and finance — straight from the NCES Common Core of Data, CRDC, and F-33 surveys. No composite rating, no opinion-based score on top. You get the same raw numbers researchers and policymakers use, with benchmarks, spending context, and equity indicators computed from the same federal datasets. Full methodology linked below.
What this school's NCES data tells you
Rainier Prep reports 359 enrolled students to the National Center for Education Statistics (NCES) alongside 24.0 full-time-equivalent teachers, producing a 13.8:1 student-teacher ratio. That figure sits 22% below the Washington state mean of 17.8:1, signalling more teacher attention per pupil than the state benchmark. Against the national 2024-25 average of 15.9:1, it is 13% lower, a useful calibration for families comparing districts across state lines.
Title I and federal lunch eligibility offer another window into the student body: 60.6% of pupils qualify for free meals, a proxy for household income that federal programs use to direct funding. The free-lunch share is 35% above the Washington average and 17% above the national baseline. Counselor coverage works out to roughly 359 students per counselor, above the ASCA-recommended ceiling of 250:1. Chronic absenteeism — missing 10% or more of school days — stands at 3.3% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding Rainier Prep Charter School District spends $17,554 per pupil district-wide, below the Washington average of $23,175 and below the national average of $19,490. Revenue comes 12.8% from local sources (property taxes), 71.8% from the state, and 15.3% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a Resource Investment Index of 49/100 (D), calculated from 4 distinct NCES and CRDC indicators measuring resource allocation rather than academic outcomes.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Rainier Prep compares
Cross-validating school-level NCES values against Washington state and U.S. national means lets readers see whether this school is an outlier or in line with peers.
| Metric | This school | vs Washington | Washington avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.8:1 | ▼ 22% | 17.8:1 | 15.9:1 |
| Free-lunch eligible | 60.6% | ▲ 35% | 45.0% | 51.8% |
| Enrollment | 359 | top 46% | — | — |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
What the federal data reveals about equity at this school
Federal measurements — not ratings — surface the resource and opportunity picture. Below are the indicators that researchers, civil-rights monitors, and funding formulas use to assess equity.
Economic need
60.6%
free-lunch eligible
— 35% above the Washington average of 45.0%
Above the 40% Title I schoolwide threshold — federal funds support the whole school, not individual students.
Staffing depth
13.8:1
students per teacher
— 22% below state mean
Top 18% in Washington — lower ratio than 82% of state schools
Below the 15:1 benchmark — typical of schools with smaller class sizes and more individualized attention.
Engagement
3.3%
chronically absent (missed 10%+ of school days)
Below 10% — strong attendance relative to the post-pandemic national landscape.
Funding equity
$17,554
per pupil, district-wide
— below Washington avg of $23,175
Below the U.S. average per-pupil spend — funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 359 students — the combined health-and-guidance staffing load for this school.
Discipline context
22
in-school suspensions + 10 out-of-school
Suspension rate: 6.1 per 100 students. Combined in-school and out-of-school rate: 8.9 per 100 students. Reported via the Civil Rights Data Collection.
Overview
Enrollment 359 Top 46% in Washington — larger than 54% of 2,465 state schools
Teachers (FTE) 24.0
Students per teacher 13.8:1 -22% vs state
Free-lunch eligible 60.6% +35% vs state
NCES ID 530033503533
Student demographics
African American 50.7%
Hispanic or Latino 30.1%
Asian 8.4%
White 5.3%
Two or More 5.0%
Native Hawaiian / Pacific Islander 0.6%
Largest group: African American at 50.7% of enrollment.
Programs & staff
Counselors (FTE) 1.0
Students per counselor 359:1
Discipline & special education
Chronically absent 3.3%
In-school suspensions 22
Out-of-school suspensions 10
Funding & spending
District-wide per-pupil expenditure for Rainier Prep Charter School District, which includes Rainier Prep.
$17,554
Per student
-24%
vs Washington
Avg $23,175
-10%
vs U.S.
Avg $19,490
Revenue mix
Local 12.8%
State 71.8%
Federal 15.3%
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 elementary schools in Seattle
6 comparable elementary schools (grades K-5) serving the same city.
Hazel Wolf K-8
Standard public school
660 students 17.6:1 students per teacher
Cascadia Elementary
Standard public school
531 students 19.8:1 students per teacher
Mcdonald International School
Standard public school
443 students 18.4:1 students per teacher
Bryn Mawr Elementary School
Standard public school
415 students 16:1 students per teacher
Campbell Hill Elementary School
Standard public school
345 students 16.9:1 students per teacher
Magnolia Elementary School
Standard public school
320 students 14.5:1 students per teacher
Educator & family resources
In-depth guides on understanding NCES data, school choice, and education funding.
Understanding NCES data
How CCD, CRDC and EDFacts feed every public-school number you see.
Choose a school district
Eight signals that matter more than the overall ranking number.
How schools are funded
Title I, F-33, state aid formulas and what per-pupil spending really means.
Chronic absenteeism
Why missing 10% of school matters and how it varies by district.
Magnet vs charter vs traditional
Three school types, three funding models, three sets of trade-offs.
School discipline data
What CRDC suspension and expulsion records do and don't reveal.
Frequently asked questions about Rainier Prep
How many students attend Rainier Prep?
Rainier Prep has 359 students enrolled. It is a elementary school in Seattle, WA.
What is the student-teacher ratio at Rainier Prep?
The student-teacher ratio at Rainier Prep is 13.8:1, which is 22% lower than the Washington average of 17.8:1 and 13% lower than the national average of 15.9:1. 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%. The school serves a diverse student body in Seattle, WA.
What is the Resource Investment Index for Rainier Prep?
Rainier Prep has a Resource Investment Index of 49/100 (D) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. This index measures federal resource allocation — staffing levels, program availability, and support services — not standardized test scores or academic outcomes.