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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

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

Full Profile · 4/4 metrics
Student Progress2.3Needs Improvement25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data3
Annual Change-3.62 pts/yr
Data Period2019–2022
TrendDeclining
Academics8.5Excellent25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency45%
Reading/ELA Proficiency61%
Overall Proficiency53%
Expected (poverty-adj.)44%
vs. Expected+9.3 pts
Adjusted Percentile77th
College Readiness9.5Exceptional30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation19.1%
IB ProgramYes
Resources & Environment3.9Fair20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio18.9:1
Per-Pupil Spending$13,124

Standley Lake High School — Students at Standley Lake High School score 53% proficient, which is above what's typical for similar communities (expected: 44%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

36.8%

Students qualifying for federal meal assistance

Test Scores CO EDFACTS (2021-22)

Math Proficiency 45.0%
School
State
N/A
ELA Proficiency 65.5%
School
State
N/A

Based on 5 test records from CO state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
52%
ELA
70%
2021*
Math
38%
ELA
61%
2022
Math
45%

* 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.

Overall Score
6.3/10
48th percentile in CO
Academic
8.5/10
8.5/10
Growth
2.3/10
Below average
Environment
3.9/10
Below average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
37%
Teaching Staff
19:1 student-teacher ratio
60 teachers

Programs & Offerings

AP/IB Programs IB Programme
19.1% participation·63 IB enrolled·CRDC 2020-21

Data as of 2020-21 · 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. 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.

11 schools nearby View map →

Neighborhood Context

Walk Score
39 Car-Dependent
Transit Score
27 Some Transit
Bike Score
32 Somewhat Bikeable
City Safety
High (3,873/100K)

Powered by Walk Score

FBI UCR 2024. City-level (Westminster). Data >1 year old.

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
Data Year
2023–2024

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 methodology

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