Timberline Middle School
Redmond, WA · Middle School · Grades 6-8
Timberline Middle School is a middle school in Redmond, WA with 752 students enrolled and a 68% proficiency rate. Part of Lake Washington School District. NCES data from the U.S. Department of Education.
Get Timberline Middle School's new scores when they post
We'll email you the moment Timberline Middle School changes. No spam — only real updates.
About This School
Timberline Middle School is a middle school located in Redmond, Washington. The school serves 752 students in grades 6-8. The student-to-teacher ratio is 20.3:1.
According to EDFacts assessment data, 68% of students meet grade-level proficiency standards in combined math and reading.
10% of students qualify for free or reduced-price lunch.
Timberline Middle School is part of the Lake Washington School District in Washington.
How This School Compares
Timberline Middle School has 752 students enrolled, making it larger than the average school in Lake Washington School District (544 students). Its 68% proficiency rate is 4 percentage points above the district average of 64%. Compared to the Washington state average of 49%, the school performs 19 points higher. The 20.3:1 student-teacher ratio is above the national average of 16:1.
Frequently Asked Questions
Timberline Middle School has 752 students enrolled in grades 6-8. The student-to-teacher ratio is 20.3:1.
According to EDFacts data, 68% of students at Timberline Middle School meet grade-level proficiency standards in combined math and reading assessments.
Timberline Middle School is part of the Lake Washington School District in Redmond, Washington. You can view all schools in this district on the district page.
All data on this page comes from the National Center for Education Statistics (NCES) Common Core of Data and EDFacts assessment results. These are official federal datasets published by the U.S. Department of Education.
School profiles are built from NCES directory data and EDFacts assessment results. Proficiency rates reflect combined math and reading performance. Graduation rates are reported for high schools with available data.
this entity is one of the data points covered by this site’s U.S. K-12 school outcomes and enrollment dataset. The detail above comes directly from NCES Common Core of Data and EDFacts; the context that follows situates the headline numbers against the broader distribution across U.S. public schools and districts.
The methodology behind every numeric value on this page is publicly documented on the NCES Common Core of Data and EDFacts portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. public schools and districts with similar size, similar exposure, or similar geography — not the national-level summary alone.
Source: NCES Common Core of Data, 2026.