Very Good
#509 of 1,815 schools in CO
Top 28% in state
Standley Lake High School
High School · Jefferson County School District No. R-1
9300 WEST 104TH AVENUE, Westminster, CO 80021
Enrollment
1,137
Student-Teacher
18.9:1
Score
7.5
Grades
9th – 12th
Enrollment
1,137
Student-Teacher
18.9:1
Score
7.5
Grades
9th – 12th
Data vintage
2022-23
Data vintage2022-23
How this school compares
Colorado schools
#509 of 1,815
In Westminster
#7 of 29
public schools
In district
#52 of 140
Jefferson County School District No. R-1
Academic performance
8.5 / 10
Excellent
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Standley Lake High School
High School in Westminster · grades 9th – 12th. Start here, then compare fit against nearby and district options.
Devereux Cleo Wallace Center
0.6 mi away. Use as a geographic alternative in the same move search.
Primrose School at Standley Lake
0.6 mi away. Use as a geographic alternative in the same move search.
About Standley Lake High School
Standley Lake High School is a public high school in Westminster, CO, part of Jefferson County School District No. R-1. Standley Lake High School serves approximately 1,137 students, and covers grades 9th-12th, and has a 18.9:1 student-teacher ratio.
Standley Lake High School has a current MySchoolScout rating of 7.5 out of 10 and ranks #509 of 1,815 schools in CO. Structured state assessment records for Standley Lake High School show 47% math proficiency (multi-year average, 2009-2022) and 65% reading/ELA proficiency (multi-year average, 2009-2021).
- This school 7.5 · Very Good
- District avg 6.5
- CO avg 6.5
What Parents Should Know
32% of students at Standley Lake High School were chronically absent in the 2022-23 school year, above the national average. Chronic absenteeism means missing 15 or more school days, and at high rates it drags on classroom pacing for everyone. Ask what the school does to help families get kids to class consistently.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
View breakdown
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Standley Lake High School — Students at Standley Lake High School score 53% proficient, which is above what's typical for similar communities (expected: 44%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
36.8%
Students qualifying for federal meal assistance
Test Scores CO EDFACTS (2021-22)
Based on 27 test records from CO state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 8.2/10.
How Standley Lake High School Compares
See how Standley Lake High School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more
Location
9300 WEST 104TH AVENUE, Westminster, CO 80021
Nearby Alternatives
Families considering Standley Lake High School may also want to explore other high schools in the area. Jefferson Academy High School (rated 6.8/10, 1.8 miles away, in nearby Broomfield), with a comparable rating. Additionally, Pomona High School (rated 5.5/10, 2.5 miles away, in nearby Arvada), a more accessible option. For more schools in Westminster, see our Westminster schools guide .
Nearby Schools
20 within 2.8 mi| School | Distance | Rating |
|---|---|---|
| DEVEREUX CLEO WALLACE CENTER Westminster | 0.6 mi | — |
| PRIMROSE SCHOOL AT STANDLEY LAKE Westminster | 0.6 mi | 5.3 |
| Lukas Elementary School Westminster | 0.8 mi | 5.5 |
| Wayne Carle Middle School Westminster | 0.8 mi | 5.7 |
| Jefferson Academy Elementary Broomfield | 0.9 mi | 7.9 |
| Woodrow Wilson Charter Academy Westminster | 1.3 mi | 7.7 |
| Semper Elementary School Westminster | 1.4 mi | 4.0 |
| Doral Academy of Colorado Arvada | 1.4 mi | 5.4 |
| SHEPHERD OF THE VALLEY LUTHERAN SCHOOL Westminster | 1.9 mi | 5.6 |
| Mandalay Middle School Westminster | 1.7 mi | 5.8 |
| Moore Middle School Arvada | 2.0 mi | 2.9 |
| Jefferson Academy Broomfield | 1.8 mi | 7.9 |
| Jefferson Academy High School Broomfield | 1.8 mi | 6.8 |
| Pomona High School Arvada | 2.5 mi | 5.5 |
| Adams Elementary School Westminster | 2.1 mi | 3.9 |
| BROOMFIELD ACADEMY Broomfield | 2.5 mi | 6.7 |
| Weber Elementary School Arvada | 2.7 mi | 5.9 |
| BEAUTIFUL SAVIOR LUTHERAN SCHOOL Broomfield | 2.6 mi | — |
| SUMMIT CLASSICAL ACADEMY Broomfield | 2.9 mi | 5.4 |
| Emerald Elementary School Broomfield | 2.8 mi | 8.3 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 80021 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$105,645
Median Home Value
$530,300
Median Rent
$2,054/mo
Population
35,562
College Educated
53.3%
Homeownership
51.8%
Avg Commute
25 min
Poverty Rate
5.2%
Median Age
36.4
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Glenwood Springs High School Glenwood Springs, CO | 7.5 |
| Lewis-Palmer High School Monument, CO | 7.5 |
| Littleton High School Littleton, CO | 7.5 |
| Niwot High School Niwot, CO | 7.5 |
| Discovery Canyon Campus High School Colorado Springs, CO | 7.6 |
| Elizabeth High School Elizabeth, CO | 7.4 |
Frequently Asked Questions
Common questions about Standley Lake High School
What grades does Standley Lake High School serve?
Standley Lake High School serves students in grades 9th through 12th.
How many students attend Standley Lake High School?
Standley Lake High School has an enrollment of approximately 1,137 students.
What is the student-teacher ratio at Standley Lake High School?
The student-teacher ratio at Standley Lake High School is 18.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Standley Lake High School rank in CO?
Standley Lake High School ranks #509 of 1,815 schools in CO.
What is Standley Lake High School's MySchoolScout rating?
Standley Lake High School has a current MySchoolScout rating of 7.5 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Standley Lake High School?
Based on loaded state assessment records, Standley Lake High School has 47% math proficiency (multi-year average, 2009-2022) and 65% reading/ELA proficiency (multi-year average, 2009-2021).
Is Standley Lake High School a charter school?
No, Standley Lake High School is not a charter school. It is a traditional public school operated by the local school district.
Is Standley Lake High School a Title I school?
No, Standley Lake High School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Standley Lake High School?
36.8% of students at Standley Lake 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.
Neighborhood Context
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 1,137
- Student-Teacher Ratio
- 18.9:1
- Teachers (FTE)
- 60
- Free/Reduced Lunch
- 36.8%
- Type
- regular
- Setting
- Large Suburb
- County
- Jefferson County
- Chronic Absenteeism (SY 2022-23)
- 32.1%
- Phone
- (303) 982-3311
- 4-Year Graduation
- 87.0%
Resources & Links
District
Jefferson County School District No. R-1- District Enrollment
- 74,251
- Schools in District
- 148
- Per-Pupil Spending
- $14,483
- District Rank
- #52 of 140
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