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 · Westminster, CO
A Jefferson County School District No. R-1 high school where students score 9 points above what's typical for similar communities.
9300 WEST 104TH AVENUE, Westminster, CO 80021
- Math 45% proficient (2022)
- Reading 61% proficient (2021)
- 87.0% 4-year graduation
Academics
Full Profile · 4/4 metricsView breakdown
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Students at Standley Lake High School score 53% proficient, which is above what's typical for similar communities (expected: 44%).
2022 EdFacts proficiency
Most recent published year. School vs. CO average.
Trend
↓ DecliningProficiency has fallen 16 points since 2019, to 45% in 2022, across a 14-year record (2009–2022).
Show all 14 years
Multi-year averages used by the rating model: math 47% (multi-year average, 2009-2022) · reading/ELA 65% (multi-year average, 2009-2021)
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Based on 27 test records from CO state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
36.8%
Students qualifying for federal meal assistance
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Standley Lake High School sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the Denver map →
Getting around & local context
- Walk 39Car-Dependent
- Transit 27Some Transit
- Bike 32Somewhat Bikeable
- City Safety: High3,873/100K
Powered by
FBI Uniform Crime Reporting · 2024 · city context (Westminster), not school-level safety or attendance eligibility. Source details
Source period: 2024. Freshness not available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$105,645
Median home value
$530,300
Median rent
$2,054/mo
College educated
53.3%
Homeownership
51.8%
Poverty rate
5.2%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 80021; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
4 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Devereux Cleo Wallace CenterPrivate · tuition | Not rated | 3–12 | 0.6 mi | 18 | Compare → |
| Doral Academy of ColoradoCharter · enrollment unverified | 5.4 | K–12 | 1.4 mi | 173 | Compare → |
| Jefferson AcademyCharter · enrollment unverified | 7.9 | K–12 | 1.8 mi | 331 | Compare → |
| Jefferson Academy High SchoolCharter · enrollment unverified | 6.8 | 9–12 | 1.8 mi | 445 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Charter · enrollment unverified: Potential charter option; enrollment requirements have not been verified.
Jefferson County School District No. R-1
- Schools in district
- 148
- Rank in district
- #52 of 140
- District spending per student
- $14,483NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 7.4%Census SAIPE · 2024
Standley Lake High School is listed in Jefferson County School District No. R-1; a district label does not verify attendance for an address.
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, serving approximately 1,137 students in grades 9th-12th with a 18.9:1 student-teacher ratio. It holds a MySchoolScout rating of 7.5 out of 10 and ranks #509 of 1,815 schools in CO.
State assessment records show 47% math proficiency (multi-year average, 2009-2022) and 65% reading/ELA proficiency (multi-year average, 2009-2021).
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.
School factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- 9th – 12th
- Enrollment
- 1,137
- Student-Teacher Ratio
- 18.9:1
- Teachers (FTE)
- 60
- Type
- regular
- Setting
- Large Suburb
- County
- Jefferson County
- Chronic Absenteeism (SY 2022-23)
- 32.1%
- Phone
- (303) 982-3311
- 4-Year Graduation
- 87.0%
- Area population (ZIP 80021)
- 35,562
- Area average commute
- 25 min
- Area median age
- 36.4
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2022 EdFacts · Low confidence
- Older source: 2022 EdFacts. Use as historical context.
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2021 EdFacts · Low confidence
- Older source: 2021 EdFacts. Use as historical context.
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- NCES EdFacts · Mixed source periods · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 80021; this does not measure the attendance area.
- Programs (AP/IB, athletics, gifted)
- CRDC via Urban Institute · SY 2021–22 · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: SY 2021–22. A newer release may be available.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2022, multi-year average, 2009-2021; directory SY 2023–24
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