Enrollment
1,401
Washington · 2024-25 NCES data
High school (grades 9-12) · Lacey, WA
Federal NCES profile for Timberline High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 47/100.
The verdict
Timberline High School earns 47/100 on the Resource Investment Index, with class sizes larger than 86% of Washington schools. It is also one of the largest schools in Washington.
Timberline High School has class sizes larger than 86% of Washington schools. Computed live against every Washington school reporting to NCES.
By Resource Investment Index, Timberline High School ranks #3 of 4 high schools in Lacey, WA.
NCES ID 530585000872 Verify on NCES CCD record →
Enrollment
1,401
Washington · 2024-25 NCES data
Teachers (FTE)
65.0
Federal CCD staff survey
Students per teacher
21.6:1
vs 17.6:1 Washington avg
+23% vs state
Free-lunch eligible
27.0%
vs 45.0% Washington avg
-40% vs state
How Timberline High School compares with Washington and U.S. medians
Larger classes than state median
21.6:1 - 4.0 above the Washington state median of 17.6:1, indicating larger average class loads than typical schools in the state.
Timberline High School is a large high school in Lacey, Washington, enrolling 1,401 students.
Class loads run heavy: 21.6:1 is larger than about 86% of Washington schools and 23% above the 17.6:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat below the state's typical profile, with 27.0% of students eligible for free meals.
By headcount it is one of the larger campuses in Washington, bigger than 96% of state schools at 1,401 students.
Its Resource Investment Index sits near the middle of the pack among 2,394 scored Washington schools.
Against 111 statewide peers matched on enrollment and economic need, it ranks mid-pack at #53.
Its student body is led by White (46%) and Hispanic or Latino (22%) (diversity index 71/100).
On the academic-pipeline side it reports 12 Advanced Placement courses.
Counselor coverage runs a bit thin, about 280 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Attendance runs somewhat below the norm, with 22.0% of students chronically absent per the 2021-22 civil-rights collection.
The federal civil-rights collection also records 38 expulsions at this campus for 2021-22.
Among Lacey's high schools, it stands alongside River Ridge High School (1,547 students): Timberline High School is smaller than that campus by headcount and runs heavier classes (21.6:1 vs 20.1:1).
North Thurston Public Schools also operates River Ridge High School (1,547 students) and North Thurston High School (1,378 students) alongside Timberline High School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
Timberline High School on the metrics families compare, against Washington and U.S. means.
| Metric | This school | vs Washington | Washington avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 21.6:1 | ▲ 23% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 27.0% | ▼ 40% | 45.0% | 51.7% |
| Enrollment | 1,401 | top 4% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Largest group: White at 46.0% of enrollment.
Simpson diversity index - at 70.9, Timberline High School is more mixed than the Washington school average of 53.3.
District-wide per-pupil expenditure for North Thurston Public Schools, which includes Timberline High School.
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| River Ridge High School | Similar size | Similar economic need | Lower S:T ratio |
| North Thurston High School | Similar size | Similar economic need | Lower S:T ratio |
| Nisqually Middle School | Smaller | Higher economic need | Lower S:T ratio |
| Mountain View Elementary | Smaller | Higher economic need | Lower S:T ratio |
| Meadows Elementary | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Timberline High School's own figures; each column derives from NCES Common Core of Data.
3 comparable high schools (grades 9-12) serving the same city.
Matched by enrollment size and by staffing ratio across all of Washington, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Timberline High School's federal record.
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Timberline High School has 1,401 students enrolled. It is a high school in Lacey, WA.
The student-teacher ratio at Timberline High School is 21.6:1, which is 23% higher than the Washington average of 17.6:1 and 38% higher than the national average of 15.7:1.
27.0% of students at Timberline High School are eligible for free lunch, compared to the Washington average of 45.0%.
The largest demographic group at Timberline High School is White at 46.0% of enrollment, in Lacey, WA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 70.9/100.
Timberline High School has a Resource Investment Index of 47/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Timberline High School ranks #3 of 4 high schools in Lacey, WA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Lacey on the city page.
Timberline High School earns 47/100 on the Resource Investment Index, with class sizes larger than 86% of Washington schools. It is also one of the largest schools in Washington. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
Besides Timberline High School, North Thurston Public Schools also operates River Ridge High School (1,547 students), North Thurston High School (1,378 students), and Nisqually Middle School (789 students). See the North Thurston Public Schools district page for the complete list.
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.
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PlainSchools, “Timberline High School, Lacey WA.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/timberline-high-school-wa
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