Timberline Middle School

9900 Redmond Ridge Drive NE, Redmond, WA 98053

ASchola Grade
Grades
6–8
Middle
Students
788
Enrolled 2024–25
Students per teacher
21.7 : 1
Full-time teachers
District
Lake Washington School District
King County

Schola Grade A · Excellent

Letter grade (A–F) · compared with 368 Washington middle schools · How we grade
Test scores82% proficient in math & reading
100thpercentile
Equity44% of low-income students proficient
94thpercentile
Attendance20% chronically absent
90thpercentile
Class size21.7 students per teacher
13thpercentile

Percentiles compare this school with other Washington middle 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 Timberline Middle School

Timberline Middle School is a public middle school in Redmond, Washington, serving grades 6–8. It is part of Lake Washington School District. The school is located in a large suburb in King County.

In the 2024–25 school year, 788 students were enrolled, with about 21.7 students for every full-time teacher. That ratio is larger than the typical Washington middle school (19.1 students per teacher). Its Schola Grade is A (excellent), compared with 368 Washington middle schools.

Grades & enrollment

Students per grade, 2024–25Grades 6–8

Location & nearby schools

9900 Redmond Ridge Drive NE
Redmond, WA 98053
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School details

Type
Public School · What this means
Level
Middle
Grades offered
6–8
Enrollment (2024–25)
788 students
Students per teacher
21.7 to 1
Charter school
No
Magnet school
No
Locale
Suburb — Large
School district
Lake Washington School District
County
King County
NCES school ID
530423003708

Schools near Timberline Middle School

All 38 schools in Redmond →

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.