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Very Good

#788 of 2,225 schools in WA

Top 35% in state

Timberline High School

High School · North Thurston Public Schools

6120 Mullen Rd SE, Lacey, WA 98503

Enrollment

1,426

Student-Teacher

21.9:1

Score

7.0

Grades

9th – 12th

Updated 2022-23

How this school compares

In Lacey

#3 of 24

public schools

Washington high schools

#109 of 476

In district

#3 of 24

North Thurston Public Schools

Academic growth

7.8 / 10

Very strong

About Timberline High School

Timberline High School serves 1,426 students in grades 9-12 in Lacey, Washington, earning recognition as a solid academic performer in the state. With a MySchoolScout rating of 6.9 out of 10, the school ranks #496 out of 2,261 Washington high schools, placing it in the 78th percentile statewide. The school's academic score of 8.6 out of 10 reflects strong educational outcomes, with 73% of students achieving proficient or above levels in ELA/Reading across grade levels.

The school operates with 65 full-time equivalent teachers, maintaining a student-teacher ratio of 21.9:1. This staffing structure supports the diverse needs of its substantial student body while fostering meaningful classroom interactions. Timberline High School draws from a stable middle-class community where the median household income reaches $78,508 and the median home value is $358,200.

The surrounding ZIP code of 98503 houses 42,263 residents, with 30% holding bachelor's degrees or higher and a low poverty rate of 9.5%. These community characteristics contribute to a supportive environment for student achievement. Located on Mullen Road SE, Timberline High School sits in the heart of Lacey, a small city that combines suburban comfort with access to the broader Thurston County educational and economic opportunities.

What Parents Should Know

The student-teacher ratio at Timberline High School is 21.9:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress7.8Very Good25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data3
Annual Change-1.16 pts/yr
Data Period2019–2024
TrendDeclining
Academics7.2Very Good25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency30%
Reading/ELA Proficiency72.7%
Math vs. State Avg-1.5 pts
Reading vs. State Avg+11.5 pts
Overall Proficiency51%
Expected (poverty-adj.)52%
vs. Expected-0.6 pts
Adjusted Percentile58th
College Readiness8.9Excellent30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation20.2%
IB ProgramNo
Resources & Environment3.0Fair20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio21.9:1
Per-Pupil Spending$15,854

Timberline High School — Students at Timberline High School score 51% proficient, which is below what's typical for similar communities (expected: 52%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

39%

Students qualifying for federal meal assistance

Test Scores WA SBA (2023-24)

Math Proficiency 31.3%
School
State
35.8%
ELA Proficiency 74.6%
School
State
55.9%

Based on 9 test records from WA state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
34%
ELA
80%
2022
ELA
73%
2024
Math
30%
ELA
72.7%

Source: EdFacts (NCES) and state assessment data. Growth score: 7.8/10.

How Timberline High School Compares

See how Timberline High School performs across key quality dimensions compared to state benchmarks.

Overall Score
7.0/10
65th percentile in WA
Academic
7.2/10
7.2/10
Growth
7.8/10
Above average
Environment
3.0/10
Below average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
39%
Teaching Staff
22:1 student-teacher ratio
65 teachers

Location

6120 Mullen Rd SE, Lacey, WA 98503

Nearby Alternatives

Families considering Timberline High School may also want to explore other high schools in the area. POPE JOHN PAUL II HIGH SCHOOL (rated 7.5/10, 2.1 miles away), which scores slightly higher. Additionally, NORTHWEST CHRISTIAN HIGH SCHOOL (rated 7.5/10, 3.1 miles away), which scores slightly higher. For more schools in Lacey, see our Lacey schools guide .

Nearby Schools

20 within 3.2 mi
School Distance Rating
Lakes Elementary School Lacey 0.2 mi 7.7
Aspire Middle School Lacey 0.5 mi 6.6
Chambers Prairie Elementary School Lacey 1.2 mi 6.4
HOLY FAMILY SCHOOL Lacey 1.2 mi 8.2
Lacey Elementary Lacey 1.5 mi 4.7
Woodland Elementary Lacey 1.1 mi 6.5
Komachin Middle School Lacey 1.1 mi 5.8
TEMPLE BAPTIST ACADEMY Lacey 1.1 mi 6.9
Mountain View Elementary Lacey 1.8 mi 5.3
POPE JOHN PAUL II HIGH SCHOOL Lacey 2.1 mi 7.5
Horizons Elementary Lacey 1.9 mi 4.6
PARAMOUNT CHRISTIAN ACADEMY Lacey 2.3 mi 8.0
THE PARAMOUNT CHRISTIAN ACADEMY SCHOOL Lacey 2.3 mi 7.6
Seven Oaks Elementary Lacey 2.0 mi 6.6
FAITH LUTHERAN SCHOOL Lacey 2.4 mi 7.2
FAITH LUTHERAN SCHOOL Lacey 2.4 mi 6.0
Evergreen Forest Elementary Lacey 2.1 mi 6.5
Lydia Hawk Elementary Lacey 2.9 mi 6.1
NORTHWEST CHRISTIAN HIGH SCHOOL Lacey 3.1 mi 7.5
NORTHWEST CHRISTIAN ACADEMY Lacey 3.2 mi 6.3

Neighborhood Census ACS (2019-2023)

Census data for ZIP 98503 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$87,515

Median Home Value

$407,700

Median Rent

$1,673/mo

Population

42,189

College Educated

30.8%

Homeownership

58.7%

Avg Commute

25 min

Poverty Rate

9.8%

Median Age

40.6

Community Profile

The community surrounding Timberline High School has a median household income of $87,515. It is an area where 31% of adults hold a bachelor's degree or higher. The median home value in the area is $407,700, with a median rent of $1,673/month. The local poverty rate of 9.8% is relatively low. The average commute for residents is 25 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Cascade High School Everett, WA 7.0
Ferris High School Spokane, WA 7.0
Everett High School Everett, WA 7.1
Glacier Peak High School Snohomish, WA 7.1
SEATTLE ACADEMY OF ARTS AND SCIENCES Seattle, WA 7.1
Central Kitsap High School Silverdale, WA 7.2

Frequently Asked Questions

Common questions about Timberline High School

What grades does Timberline High School serve?

Timberline High School serves students in grades 9th through 12th.

How many students attend Timberline High School?

Timberline High School has an enrollment of approximately 1,426 students.

What is the student-teacher ratio at Timberline High School?

The student-teacher ratio at Timberline High School is 21.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Timberline High School rank in WA?

Timberline High School is ranked #788 out of 2,225 schools in WA.

What is Timberline High School's MySchoolScout rating?

Timberline High School has a composite rating of 7.0 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

What are the test scores at Timberline High School?

Based on the most recent state assessment data, Timberline High School has 31.3% math proficiency and 74.6% reading/ELA proficiency.

Is Timberline High School a charter school?

No, Timberline High School is not a charter school. It is a traditional public school operated by the local school district.

Is Timberline High School a Title I school?

No, Timberline High School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Timberline High School?

39.0% of students at Timberline High School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

Walk Score
9 Car-Dependent
Transit Score
32 Some Transit
Bike Score
37 Somewhat Bikeable
City Safety
High (2,662/100K)

Powered by Walk Score

FBI UCR 2024. City-level (Lacey). Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
1,426
Student-Teacher Ratio
21.9:1
Teachers (FTE)
65
Free/Reduced Lunch
39.0%
Type
regular
Setting
Small City
County
Thurston County
Data Year
2023–2024

District

North Thurston Public Schools
District Enrollment
15,197
Schools in District
24
Per-Pupil Spending
$17,096
District Rank
#3 of 24

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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