Enrollment
1,123
Colorado · 2024-25 NCES data
High school (grades 9-12) · Westminster, CO
Standley Lake High School
Federal NCES profile for Standley Lake High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 44/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 080480001487
👥 S:T ratio 29
📚 AP courses 65
🌟 Gifted program 70
🎓 Counselors 55
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Standley Lake High School earns 44/100 on the Resource Investment Index, with class sizes larger than 70% of Colorado schools.
- #3 of 5
- high schools in Westminster · Resource Index
- 44
- Resource Index · Typical
- 17.8:1
- large classes for Colorado
- 28.4%
- free-lunch eligible
Standley Lake High School has class sizes larger than 70% of Colorado schools. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Standley Lake High School ranks #3 of 5 high schools in Westminster, CO.
School address
District: Jefferson County School District No. R-1 · Colorado
NCES ID 080480001487 Verify on NCES CCD record →
Teachers (FTE)
63.0
Federal CCD staff survey
Students per teacher
17.8:1
vs 16.6:1 Colorado avg
+7% vs state
Free-lunch eligible
28.4%
vs 38.5% Colorado avg
-26% vs state
Student-teacher ratio in context
How Standley Lake High School compares with Colorado and U.S. medians
What stands out at Standley Lake High School
Standley Lake High School is a large high school in Westminster, Colorado, enrolling 1,123 students.
Class loads run somewhat heavier than typical: 17.8:1 puts it in the larger third of Colorado schools by student-teacher ratio.
Its free-meal eligibility rate of 28.4% lands close to the Colorado typical range, neither a high- nor low-need campus by this measure.
By headcount it is one of the larger campuses in Colorado, bigger than 94% of state schools at 1,123 students.
Its Resource Investment Index lands in the lower third of 1,922 scored Colorado schools.
Against 109 statewide peers matched on enrollment and economic need, it ranks mid-pack at #46.
Its student body is led by White (59%) and Hispanic or Latino (27%) (diversity index 57/100).
On the academic-pipeline side it reports 13 Advanced Placement courses.
Counselor coverage is strong, about 225 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 46.9% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Jefferson County School District No. R-1 also operates Arvada West High School (1,923 students) and Ralston Valley Senior High School (1,875 students) alongside Standley Lake 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
How Standley Lake High School compares
Standley Lake High School on the metrics families compare, against Colorado and U.S. means.
| Metric | This school | vs Colorado | Colorado avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17.8:1 | ▲ 7% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 28.4% | ▼ 26% | 38.5% | 51.7% |
| Enrollment | 1,123 | top 6% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.8:1
Leaner classes than 26% of US schools, heavier class loads than most.
1,123
Bigger than 93% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
28.4%
free-lunch eligible
- 26% below the Colorado average of 38.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
17.8:1
students per teacher
- 7% above state mean
Top 70% in Colorado - lower ratio than 30% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
46.9%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$13,124
per pupil, district-wide
- below Colorado avg of $16,273
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors5.0 FTE
Per 225 students, the combined health-and-guidance staffing load for this school.
Discipline context
8
in-school suspensions + 97 out-of-school
Suspension rate: 0.7 per 100 students. Combined in-school and out-of-school rate: 9.3 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
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.
Student demographics
White 59.3%
Hispanic or Latino 27.4%
Two or More 6.4%
Asian 5.3%
African American 1.1%
American Indian / Alaska Native 0.4%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 59.3% of enrollment.
Student-body diversity index 56.6/100
Simpson diversity index - at 56.6, Standley Lake High School is more mixed than the Colorado school average of 47.1.
Programs
AP courses offered 13
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Jefferson County School District No. R-1, which includes Standley Lake High School.
$13,124
Per student
-19%
vs Colorado
Avg $16,273
-21%
vs U.S.
Avg $16,593
Revenue mix
Local 55.3%
State 36.9%
Federal 7.8%
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.
How Standley Lake High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Arvada West High School | Larger | Similar economic need | Higher S:T ratio |
| Ralston Valley Senior High School | Larger | Lower economic need | Higher S:T ratio |
| Chatfield High School | Larger | Lower economic need | Higher S:T ratio |
| Lakewood High School | Larger | Similar economic need | Similar S:T ratio |
| Columbine High School | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Standley Lake High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,923
- Students per teacher
- 21.4:1
- Resource Index
- 32/100
- Enrollment
- 1,875
- Students per teacher
- 21.6:1
- Resource Index
- 35/100
- Enrollment
- 1,808
- Students per teacher
- 20.1:1
- Resource Index
- 34/100
- Enrollment
- 1,735
- Students per teacher
- 17.4:1
- Resource Index
- 52/100
- Enrollment
- 1,710
- Students per teacher
- 19.9:1
- Resource Index
- 31/100
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Colorado, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~1,123 students)
Similar student-teacher ratio (~17.8:1)
Next steps
Verify locally before acting on Standley Lake High School's federal record.
- Compare Standley Lake High School against another school. Compare schools
- Jefferson County School District No. R-1's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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.
Frequently asked questions about Standley Lake High School
How many students attend Standley Lake High School?
Standley Lake High School has 1,123 students enrolled. It is a high school in Westminster, CO.
What is the student-teacher ratio at Standley Lake High School?
The student-teacher ratio at Standley Lake High School is 17.8:1, which is 7% higher than the Colorado average of 16.6:1 and 13% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Standley Lake High School?
28.4% of students at Standley Lake High School are eligible for free lunch, compared to the Colorado average of 38.5%.
What is the racial and ethnic makeup of Standley Lake High School?
The largest demographic group at Standley Lake High School is White at 59.3% of enrollment, in Westminster, CO. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 56.6/100.
What is the Resource Investment Index for Standley Lake High School?
Standley Lake High School has a Resource Investment Index of 44/100 (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).
How does Standley Lake High School rank among high schools in Westminster?
By Resource Investment Index, Standley Lake High School ranks #3 of 5 high schools in Westminster, CO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Westminster on the city page.
Is Standley Lake High School a good school?
Standley Lake High School earns 44/100 on the Resource Investment Index, with class sizes larger than 70% of Colorado schools. 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.
What other schools are in Jefferson County School District No. R-1?
Besides Standley Lake High School, Jefferson County School District No. R-1 also operates Arvada West High School (1,923 students), Ralston Valley Senior High School (1,875 students), and Chatfield High School (1,808 students). See the Jefferson County School District No. R-1 district page for the complete list.
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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.