Standley Lake High School serves 1,221 students in grades 9-12.
Standley Lake High School placed in the top 30% of all schools in Colorado for overall test scores (math proficiency is top 50%, and reading proficiency is top 30%) for the 2020-21 school year.
The percentage of students achieving proficiency in math is 38% (which is higher than the Colorado state average of 33%) for the 2020-21 school year. The percentage of students achieving proficiency in reading/language arts is 61% (which is higher than the Colorado state average of 47%) for the 2020-21 school year.
The student:teacher ratio of 19:1 is higher than the Colorado state level of 15:1.
Minority enrollment is 36% of the student body (majority Hispanic), which is lower than the Colorado state average of 48% (majority Hispanic).
Quick Stats (2023-24)
- Grades: 9-12
- Enrollment: 1,221 students
- Student:Teacher Ratio: 19:1
- Minority Enrollment: 36%
- Graduation Rate: 87% (Top 50% in CO)
- Overall Testing Rank: Top 30%
- Math Proficiency: 38% (Top 50%)
- Reading Proficiency: 61% (Top 30%)
- Source: National Center for Education Statistics (NCES), CO Dept. of Education
School Overview
Standley Lake High School's student population of 1,221 students has declined by 6% over five school years.
The teacher population of 66 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
Total Students
1,221 students

Gender %

Total Classroom Teachers
66 teachers

Students by Grade

School Calendar
School Rankings
Standley Lake High School is ranked within the top 30% of all 1,734 schools in Colorado (based off of combined math and reading proficiency testing data) for the 2020-21 school year.
The diversity score of Standley Lake High School is 0.54, which is less than the diversity score at state average of 0.61. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#480 out of 1734 schools
(Top 30%)
(Top 30%)

Math Test Scores (% Proficient)
38%
33%

Reading/Language Arts Test Scores (% Proficient)
61%
47%

Student : Teacher Ratio
19:1
15:1

American Indian
1%
1%

Asian
6%
3%

Hispanic
22%
35%

Black
2%
4%

White
64%
52%

Hawaiian
n/a
n/a
Two or more races
5%
5%

All Ethnic Groups



Graduation Rate
87%
81%

Eligible for Free Lunch
21%
30%

Eligible for Reduced Lunch
7%
6%

School Statewide Testing
School District Name
Source: 2021-2022 (latest school year available) National Center for Education Statistics (NCES), CO Dept. of Education
Frequently Asked Questions
What is Standley Lake High School's ranking?
Standley Lake High School is ranked #480 out of 1,734 schools, which ranks it among the top 30% of public schools in Colorado.
What schools are Standley Lake High School often compared to?
Standley Lake High Schoolis often viewed alongside schools like Ralston Valley Senior High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
38% of students have achieved math proficiency (compared to the 33% CO state average), while 61% of students have achieved reading proficiency (compared to the 47% CO state average).
What is the graduation rate of Standley Lake High School?
The graduation rate of Standley Lake High School is 87%, which is higher than the Colorado state average of 81%.
How many students attend Standley Lake High School?
1,221 students attend Standley Lake High School.
What is the racial composition of the student body?
64% of Standley Lake High School students are White, 22% of students are Hispanic, 6% of students are Asian, 5% of students are Two or more races, 2% of students are Black, and 1% of students are American Indian.
What is the student:teacher ratio of Standley Lake High School?
Standley Lake High School has a student ration of 19:1, which is higher than the Colorado state average of 15:1.
What grades does Standley Lake High School offer ?
Standley Lake High School offers enrollment in grades 9-12
What school district is Standley Lake High School part of?
Standley Lake High School is part of Jefferson County School District No. R-1.
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