Average
#937 of 1,815 schools in CO
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
6.3
Grades
9th – 12th
Enrollment
1,137
Student-Teacher
18.9:1
Score
6.3
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Westminster
#8 of 29
public schools
Colorado high schools
#188 of 403
In district
#79 of 140
Jefferson County School District No. R-1
Equity
8.6 / 10
Exceptional
About Standley Lake High School
Standley Lake High School serves 1,137 students in grades 9-12 in Westminster, Colorado, with a student-teacher ratio of 18.9:1 among its 60 full-time equivalent faculty members. The school earns a 6.5 out of 10 rating and ranks in the 67th percentile statewide, placing it at #609 out of 1,831 Colorado high schools. Academically, the school demonstrates solid performance with an 8.0 academic score and 45% of students achieving proficiency or above in math.
Located in Jefferson County, Standley Lake High School sits in an affluent suburban community where families enjoy a median household income of $99,562 and median home values of $482,500. The surrounding neighborhood reflects a well-educated population, with 51% of residents holding bachelor's degrees or higher, while maintaining a low poverty rate of just 6.2%. This stable community environment, with over 35,000 residents in the immediate area, provides students with access to resources and support that complement their high school experience.
The school operates as a regular public high school in Westminster's large suburban setting, offering students the benefits of a sizable student body while maintaining manageable class sizes through its reasonable student-teacher ratio.
Score 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 5 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: 2.3/10.
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 2020-21 · Source: CRDC via Urban Institute · Learn more
Performance Trends
Math proficiency has declined from 52% (2019) to 45% (2022). Reading/ELA proficiency has declined from 70% (2019) to 61% (2021).
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. Pomona High School (rated 5.4/10, 2.5 miles away, in nearby Arvada), with a comparable rating. Additionally, Jefferson Academy High School (rated 3.6/10, 1.8 miles away, in nearby Broomfield), 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 | 6.4 |
| Wayne Carle Middle School Westminster | 0.8 mi | 6.3 |
| Jefferson Academy Elementary Broomfield | 0.9 mi | 8.7 |
| Woodrow Wilson Charter Academy Westminster | 1.3 mi | 7.8 |
| Semper Elementary School Westminster | 1.4 mi | 5.3 |
| Doral Academy of Colorado Arvada | 1.4 mi | 5.1 |
| 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 | 5.8 |
| Jefferson Academy Broomfield | 1.8 mi | 5.7 |
| Jefferson Academy High School Broomfield | 1.8 mi | 3.6 |
| Pomona High School Arvada | 2.5 mi | 5.4 |
| Adams Elementary School Westminster | 2.1 mi | 3.4 |
| BROOMFIELD ACADEMY Broomfield | 2.5 mi | 6.7 |
| Weber Elementary School Arvada | 2.7 mi | 6.5 |
| BEAUTIFUL SAVIOR LUTHERAN SCHOOL Broomfield | 2.6 mi | — |
| SUMMIT CLASSICAL ACADEMY Broomfield | 2.9 mi | 5.4 |
| Emerald Elementary School Broomfield | 2.8 mi | 7.5 |
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
Community Profile
The community surrounding Standley Lake High School has a median household income of $105,645. It is a well-educated community where 53% of adults hold a bachelor's degree or higher. The median home value in the area is $530,300, with a median rent of $2,054/month. The local poverty rate of 5.2% 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 |
|---|---|
| Adams City High School Commerce City, CO | 6.3 |
| Conifer Senior High School Conifer, CO | 6.3 |
| Mead High School Longmont, CO | 6.3 |
| Bear Creek High School Lakewood, CO | 6.2 |
| Ponderosa High School Parker, CO | 6.2 |
| Rifle High School Rifle, CO | 6.2 |
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 is ranked #937 out of 1,815 schools in CO.
What is Standley Lake High School's MySchoolScout rating?
Standley Lake High School has a composite rating of 6.3 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 Standley Lake High School?
Based on the most recent state assessment data, Standley Lake High School has 45.0% math proficiency and 65.5% reading/ELA proficiency.
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
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
- Phone
- (303) 982-3311
- Data Year
- 2023–2024
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
- #79 of 140
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 methodologyRelated reading
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