Enrollment
907
Washington · 2024-25 NCES data
Middle school (grades 6-8) · Auburn, WA
Rainier Middle School
Federal NCES profile for Rainier Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 35/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 530030002434
👥 S:T ratio 32
🌟 Gifted program 70
🎓 Counselors 40
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Rainier Middle School earns 35/100 on the Resource Investment Index, with class sizes near the Washington median. It is also more racially and ethnically mixed than most Washington schools.
- #3 of 5
- middle schools in Auburn · Resource Index
- 35
- Resource Index · Typical
- 17.1:1
- students per teacher
- 52.2%
- free-lunch eligible
Rainier Middle School has class sizes near the Washington median. Computed live against every Washington school reporting to NCES.
By Resource Investment Index, Rainier Middle School ranks #3 of 5 middle schools in Auburn, WA.
School address
District: Auburn School District · Washington
NCES ID 530030002434 Verify on NCES CCD record →
Teachers (FTE)
53.0
Federal CCD staff survey
Students per teacher
17.1:1
vs 17.6:1 Washington avg
-3% vs state
Free-lunch eligible
52.2%
vs 45.0% Washington avg
+16% vs state
Student-teacher ratio in context
How Rainier Middle School compares with Washington and U.S. medians
What stands out at Rainier Middle School
Rainier Middle School is a higher-need, large middle school in Auburn, Washington, enrolling 907 students.
At 17.1:1, its student-teacher ratio sits close to the Washington median, within a few percentage points of the 17.6:1 state norm, neither notably crowded nor notably small.
Economic need runs somewhat above the state's typical profile, with 52.2% of students eligible for free meals.
By headcount it is one of the larger campuses in Washington, bigger than 92% of state schools at 907 students.
Its Resource Investment Index lands in the lower third of 2,394 scored Washington schools.
Among 185 similarly sized, similarly resourced-need Washington schools statewide, it ranks #150, in the lower tier once campus size and economic need are matched.
Its student body is led by White (31%) and Asian (25%), more mixed than most schools in the state (diversity index 78/100).
Counselor coverage runs a bit thin, about 302 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 46.4% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Auburn's middle schools, it stands alongside Sequoyah Middle School (570 students): Rainier Middle School is larger than that campus by headcount and runs leaner classes (17.1:1 vs 19.7:1).
Auburn School District also operates Auburn Senior High School (1,918 students) and Auburn Riverside High School (1,852 students) alongside Rainier Middle School.
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 Rainier Middle School compares
Rainier Middle School on the metrics families compare, against Washington and U.S. means.
| Metric | This school | vs Washington | Washington avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17.1:1 | ▼ 3% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 52.2% | ▲ 16% | 45.0% | 51.7% |
| Enrollment | 907 | top 8% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.1:1
Leaner classes than 30% of US schools, heavier class loads than most.
907
Bigger than 89% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
52.2%
free-lunch eligible
- 16% 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
17.1:1
students per teacher
- 3% below state mean
Top 57% in Washington - lower ratio than 43% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
46.4%
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
$16,996
per pupil, district-wide
- below Washington avg of $19,487
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors3.0 FTE
Per 302 students, the combined health-and-guidance staffing load for this school.
Discipline context
16
in-school suspensions + 93 out-of-school
Suspension rate: 1.8 per 100 students. Combined in-school and out-of-school rate: 12.0 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 30.5%
Asian 24.6%
Hispanic or Latino 22.1%
African American 10.4%
Two or More 9.2%
Native Hawaiian / Pacific Islander 3.1%
American Indian / Alaska Native 0.2%
Largest group: White at 30.5% of enrollment.
Student-body diversity index 77.7/100
Simpson diversity index - at 77.7, Rainier Middle School is more mixed than the Washington school average of 53.3.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Auburn School District, which includes Rainier Middle School.
$16,996
Per student
-13%
vs Washington
Avg $19,487
+2%
vs U.S.
Avg $16,593
Revenue mix
Local 22.4%
State 66.6%
Federal 11.0%
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.
How Rainier Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Auburn Senior High School | Larger | Similar economic need | Higher S:T ratio |
| Auburn Riverside High School | Larger | Lower economic need | Higher S:T ratio |
| Auburn Mountainview High School | Larger | Similar economic need | Higher S:T ratio |
| Cascade Middle School | Similar size | Similar economic need | Higher S:T ratio |
| Olympic Middle School | Similar size | Higher economic need | Higher S:T ratio |
Comparisons are relative to Rainier Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,918
- Students per teacher
- 20.2:1
- Resource Index
- 42/100
- Enrollment
- 1,852
- Students per teacher
- 21.5:1
- Resource Index
- 31/100
- Enrollment
- 1,560
- Students per teacher
- 20.8:1
- Resource Index
- 34/100
- Enrollment
- 966
- Students per teacher
- 18.9:1
- Resource Index
- 33/100
- Enrollment
- 956
- Students per teacher
- 19.1:1
- Resource Index
- 32/100
Similar middle schools in Auburn
1 comparable middle schools (grades 6-8) serving the same city.
Similar middle 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.
Similar enrollment (~907 students)
Similar student-teacher ratio (~17.1:1)
Next steps
Verify locally before acting on Rainier Middle School's federal record.
- Compare Rainier Middle School against another school. Compare schools
- Auburn School District's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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 Rainier Middle School
How many students attend Rainier Middle School?
Rainier Middle School has 907 students enrolled. It is a middle school in Auburn, WA.
What is the student-teacher ratio at Rainier Middle School?
The student-teacher ratio at Rainier Middle School is 17.1:1, which is 3% lower than the Washington average of 17.6:1 and 9% higher 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 Middle School?
52.2% of students at Rainier Middle School are eligible for free lunch, compared to the Washington average of 45.0%.
What is the racial and ethnic makeup of Rainier Middle School?
The largest demographic group at Rainier Middle School is White at 30.5% of enrollment, in Auburn, WA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 77.7/100.
What is the Resource Investment Index for Rainier Middle School?
Rainier Middle School has a Resource Investment Index of 35/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Rainier Middle School rank among middle schools in Auburn?
By Resource Investment Index, Rainier Middle School ranks #3 of 5 middle schools in Auburn, WA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all middle schools in Auburn on the city page.
Is Rainier Middle School a good school?
Rainier Middle School earns 35/100 on the Resource Investment Index, with class sizes near the Washington median. It is also more racially and ethnically mixed than most 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 Auburn School District?
Besides Rainier Middle School, Auburn School District also operates Auburn Senior High School (1,918 students), Auburn Riverside High School (1,852 students), and Auburn Mountainview High School (1,560 students). See the Auburn School District district page for the complete list.
Related tools
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.