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Mount Rainier High School

22450 19th Ave S, Des Moines, WA 98198

BSchola Grade
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Grades
9–12
High
Students
1,846
Enrolled 2024–25
Students per teacher
24 : 1
Full-time teachers
District
Highline School District
King County

Schola Grade B · Above average

Letter grade (A–F) · compared with 338 Washington high schools · How we grade
Test scores50% proficient in math & reading
56thpercentile
Equity42% of low-income students proficient
65thpercentile
Attendance48% chronically absent
28thpercentile
Graduation rate94% graduate in 4 years
74thpercentile
College readinessAt least 55% take AP, IB or dual-enrollment courses
82ndpercentile
Class size24 students per teacher
8thpercentile

Percentiles compare this school with other Washington high schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).

About Mount Rainier High School

Mount Rainier High School is a public high school in Des Moines, Washington, serving grades 9–12. It is part of Highline School District. The school is located in a large suburb in King County.

In the 2024–25 school year, 1,846 students were enrolled, with about 24 students for every full-time teacher. That ratio is larger than the typical Washington high school (19.2 students per teacher). Its Schola Grade is B (above average), compared with 338 Washington high schools.

Grades & enrollment

Students per grade, 2024–25Grades 9–12

Location & nearby schools

22450 19th Ave S
Des Moines, WA 98198
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School details

Type
Public School · What this means
Level
High
Grades offered
9–12
Enrollment (2024–25)
1,846 students
Students per teacher
24 to 1
Charter school
No
Magnet school
No
Locale
Suburb — Large
School district
Highline School District
County
King County
NCES school ID
530354000538

Schools near Mount Rainier High School

All 13 schools in Des Moines →

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.