A−
Standley Lake High School
PublicHighGrades 9–12
9300 West 104th Avenue, Westminster, CO 80021 · (303) 982-3311 · Part of Jefferson County School District R-1
Students
1,123
Students per teacher
19:1
Free or reduced lunch
33%
Setting
Suburb
Grades
9–12
What stands out about Standley Lake High School
- School Grade A−: near the top of Colorado’s public schools
- Math proficiency 8 pts above the state
- Reading / language arts 14 pts above the state
- Enrollment down 13.3% since 2020
Test scores
EDFacts via Urban Institute Education Data Portal (SY2020-21) · 2020–21Math proficiency38%
State average 30.5%
Reading / language arts61%
State average 47%
Location
Directions ↗
9300 West 104th Avenue, Westminster
Students
Enrollment by grade
Grade 9284
Grade 10285
Grade 11266
Grade 12288
Enrollment over time
1,295’20
1,221’21
1,180’22
1,137’23
1,123’24
Down 13.3% since 2020.
Who goes here
White 59%Hispanic 27%Two or more races 6%Asian 5%Black 1%American Indian/Alaska Native <1%Native Hawaiian/Pacific Islander <1%
As reported to NCES, share of students with a reported race or ethnicity.
What neighbors say
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Parents talk
Conversations in Town Square that mention Standley Lake High School.
Other schools in Jefferson County School District R-1
School facts: U.S. Department of Education (NCES), 2024-2025 school year. Scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). The School Grade is our own summary of state test results. Neighbor ratings are opinions, not an official measure of school quality.