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SCHOOL COMMUNITY·LAKE WASHINGTON SCHOOL DISTRICT·NCES 530423003708

Timberline Middle School

9900 Redmond Ridge Drive NE, Redmond, WA 98053 · (425) 936-2820 · King County
GRADES 06–08MIDDLE21-SUBURBREGULAR SCHOOL788 STUDENTS
Enrollment
788
Middle
DISTRICT 589 · STATE 577
Student : Teacher
21.7:1
36 FTE teachers
DISTRICT 21.4:1 · STATE 18.9:1
Free / Reduced Lunch
7%
56 students
DISTRICT 13% · STATE 51%
Community
1
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 6
263
Grade 7
256
Grade 8
269
Student demographics
White
29%
DISTRICT 37% · STATE 47%
Hispanic
8%
DISTRICT 11% · STATE 27%
Black
2%
DISTRICT 2% · STATE 5%
Asian
53%
DISTRICT 40% · STATE 9%
Two+
7%
DISTRICT 8% · STATE 9%
Native American
n/r
Pacific Islander
n/r
n/r: not reliably reported by NCES for this school. Hispanic, Pacific Islander, and Native American enrollment are systematically under-reported in the source data.
Gender split
Male
51%
Female
49%

Discussions

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Test scores

Smarter Balanced + WCAS 2024-25 . % Met or Exceeded Standard
English Language Arts
83.4%
WA avg 58.4% . -1.1pp since 2021
Math
80.4%
WA avg 51.2% . +3.6pp since 2021
Source: Smarter Balanced + WCAS. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
80.6%
composite math + reading, all grades
Predicted
75.4%
based on WA schools with similar FRL share
Beats by
+5.2pp
above demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

About Timberline Middle School

Timberline Middle School, a medium-sized 6-8 campus in Redmond, Washington, run under Lake Washington School District, serves 788 students, covering grades 6 through 8. Enrollment runs roughly 37% above the state mean of about 577.

Timberline Middle School is one of 55 schools operated by Lake Washington School District, a district that instructs 30,986 students overall.

In terms of who attends, Timberline Middle School records that 53% of students identify as Asian, with the remaining enrollment distributed across several groups. Other groups include 29% White, 8% Hispanic, 7% multiracial. By comparison, King County as a whole is about 21% Asian, so the school skews visibly more Asian than its surroundings.

Looking at the economic backdrop, The school lists 36 full-time-equivalent teachers, for a student-teacher ratio near 21.7:1. The state averages around 18.9:1, so this campus is higher than the state norm typical. Roughly 7% of students at Timberline Middle School qualify for free or reduced-price lunch, often used as a Title I proxy. Set against King County (around 38%), the school's rate is somewhat below typical.

After controlling for student poverty, Timberline Middle School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 75.4%, the actual is 80.6%, a residual of +5.2 points.

In the broader community, community-level numbers for King County indicate median household earnings sit near $124,746, roughly 57% of adults have completed at least a four-year degree, and roughly 5% of residents live below the federal poverty line. In all, King County runs 544 public schools (combined enrollment of about 278,492 students), of which Timberline Middle School is one.

Nearest neighbor: Rosa Parks Elementary, around 0.3 miles off. Within five miles, there are 8 other public schools. On composite proficiency, Timberline Middle School comes 5th of 7 in the immediate cluster, beneath the nearby-schools average of 81.6%.

The school occupies a residential site.

In the discussion threads here, recent activity here tends to focus on classroom updates, athletics, and weather closures. Members of the school community can share what they know.

King County at a glance

View full county profile
Population
2,287,171
Census ACS
Median income
$124,746
Household, ACS
Bachelor's+
57%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
544
278,492 students

Quick facts

School name
Timberline Middle School
District
Lake Washington School District
Address
9900 Redmond Ridge Drive NE, Redmond, WA 98053
Phone
(425) 936-2820
County
King County
Level
Middle
Grade range
06–08
Total enrollment
788
Teachers (FTE)
36
Student–teacher ratio
21.7:1
Free/Reduced lunch
56 (7%)
Locale
21-Suburb: Large
NCES ID
530423003708
Charter school
No
Virtual school
No

Related schools

Other schools in Lake Washington School District
Other schools in Redmond
Nearby schools

Frequently asked questions

About Timberline Middle School
How many students attend Timberline Middle School?
Timberline Middle School enrolls approximately 788 students in grades 06-08.
What age range does Timberline Middle School serve?
Timberline Middle School serves students from grade 06 through grade 08.
How many teachers does Timberline Middle School have?
Timberline Middle School employs 36 FTE teachers, for a student-to-teacher ratio of 21.7:1.
How diverse is Timberline Middle School?
Timberline Middle School reports a student body of 29% White, 8% Hispanic, 2% Black, 53% Asian, 7% Two or more.
What district is Timberline Middle School in?
Timberline Middle School is part of Lake Washington School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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