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Rainier Middle School

🇺🇸 Official data · 2025Auburn, Washington 98092 · Auburn School District

48.0/ 100
Success Index (US)
Lower 50%

#220 of 363 middle schools in Washington
#8082 of 15,369 nationally

How is this calculated?
Students
907
Enrollment
907
Source: NCES CCD
Free/reduced-price lunch
60.6%
Source: NCES CCD
Students per teacher
17.8
Source: NCES CCD

About Rainier Middle School

Rainier Middle School is a public middle located in Auburn, in the Auburn School District school district of Washington, United States. It caters for Grades 6–8. In 2025 it enrolled 907 students. Traditional public schools run by a school district; free to attend.

Its Success Index (US) is 48.0 out of 100, placing it in the lower 50% of middle schools in United States and 220th of 363 ranked middle schools in Washington. Its strongest component is reading proficiency (62th percentile), and its weakest is students per teacher (26th percentile).

Other published figures: enrollment 907.

There are 30 schools in Auburn; Rainier Middle School ranks 15th of 30 scored schools there.

Success Index (US) breakdown

Each component is a percentile against middle schools across United States.

  • Math proficiency (30%)42%
  • Reading proficiency (30%)55%
  • Community advantage (fewer free/reduced-price lunch) (25%)60.6%
  • Students per teacher (15%)17.8

The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.

Published measures

All figures published for Rainier Middle School by the official sources.

Enrollment
907
Students enrolled in the latest NCES directory year.
Free/reduced-price lunch
60.6%
Share of students eligible for free or reduced-price lunch.
Students per teacher
17.8
Enrollment divided by FTE teachers; not class size.
Reading proficiency
55%
Share of tested students proficient or above (all students, all grades).
Math proficiency
42%
Share of tested students proficient or above (all students, all grades).

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Schools near Rainier Middle School

Closest schools by straight-line distance, with their Success Index (US).

Similar schools

Public middle schools in Washington with a comparable Enrollment.

Frequently asked questions

Is Rainier Middle School a good school?

Rainier Middle School has a Success Index (US) of 48.0 out of 100 (Lower 50% of middle schools in United States) and ranks #220 of 363 in Washington. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.

Where does Rainier Middle School rank in Washington?

Rainier Middle School ranks #220 of 363 middle schools in Washington and #8082 of 15,369 nationally on the Success Index (US) (2025 data).

How many students attend Rainier Middle School?

Rainier Middle School had 907 students in 2025.

Is Rainier Middle School a elementary school or a high school?

Rainier Middle School is classified as a middle covering Grades 6–8. It is a public school.

What other schools are near Rainier Middle School?

There are 10 schools within 15 km of Rainier Middle School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.