- Enrollment
- 1,918
- Students per teacher
- 20.2:1
- Resource Index
- 42/100
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.
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
NCES ID 530030002434 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+3 students YoY
Rainier Middle School held near 944 students from 2022-23 to 2023-24 (+3 headcount).
Teacher FTE added 53.4 → 53.9 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+3 students YoY 530030002434 · Auburn, WA Middle · MID · TRAD
907 enr · 17.1:1 · 52.2% lunch · RII 35
Nearest enrollment peer: Auburn Senior High School (1,918 students)
Rainier Middle School held near 944 students from 2022-23 to 2023-24 (+3 headcount). Teacher FTE added 53.4 → 53.9 across the same CCD years. Read with this school → · District book → · Washington schools → · Find another →
Rainier Middle School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Auburn Senior
Auburn Senior High School
1,918 students
- Auburn Riversi
Auburn Riverside High School
1,852 students
- Auburn Mountai
Auburn Mountainview High School
1,560 students
- Cascade Middle
Cascade Middle School
966 students
- Olympic Middle
Olympic Middle School
956 students
- This school
Rainier Middle School
907 students
What this shows Rainier Middle School reports 907 students on the CCD universe file.
How Rainier Middle School compares
Rainier Middle School 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 | 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
Equity indicators methodology
Student demographics
Largest group: White at 30.5% of enrollment.
Simpson diversity index - at 77.7, Rainier Middle School is more mixed than the Washington school average of 53.3.
Programs
District finance for Auburn School District reports $18,620 per pupil (NCES F-33) - open the district page for the full revenue mix.
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
- 1,852
- 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.
Nationwide middle 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 (~907 students)
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. CCD year-over-year: 941 (2022-23) → 944 (2023-24), nearly flat (+3).
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, gifted-program reporting, counselor availability, chronic absenteeism. 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.
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.