STEM School Highlands Ranch, formerly known as STEM School and Academy, is a public charter school with a curriculum focused on science, technology, engineering, and mathematics, located in Highlands Ranch, Colorado. The school building is located in an office park next to Central Park, a retail center.
Serving 1,394 students in grades Kindergarten-12, Stem School Highlands Ranch ranks in the top 20% of all schools in Colorado for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 55% (which is higher than the Colorado state average of 33%). The percentage of students achieving proficiency in reading/language arts is 67% (which is higher than the Colorado state average of 45%).
The student-teacher ratio of 18:1 is higher than the Colorado state level of 15:1.
Minority enrollment is 49% of the student body (majority Asian), which is lower than the Colorado state average of 51% (majority Hispanic).
Quick Facts (2026)
- School Type: Charter School
- Grades: Kindergarten-12
- Enrollment: 1,394 students
- Student-Teacher Ratio: 18:1
- Minority Enrollment: 49%
- Graduation Rate: ≥95% (Top 5% in CO)
- Overall Testing Rank: Top 20%
- Math Proficiency: 55% (Top 20%)
- Reading Proficiency: 67% (Top 20%)
- Science Proficiency: 64% (Top 5%)
- Source: National Center for Education Statistics (NCES), CO Dept. of Education
Top Rankings
Stem School Highlands Ranch ranks among the top 20% of public schools in Colorado for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Graduation Rate
Diversity
School Overview
Stem School Highlands Ranch's student population of 1,394 students has declined by 20% over five school years.
The teacher population of 79 teachers has declined by 8% over five school years.
School Type
Grades Offered
Grades Kindergarten-12
(No virtual instruction)
(No virtual instruction)
Total Students
1,394 students
Total Classroom Teachers
79 teachers
Year Founded
2011
Colors
Navy Blue and White
Campus Size
10 acres
School Motto
Never Stop Innovating
Average Class Size
27 students
School Rankings
Stem School Highlands Ranch ranks within the top 20% of all 1,748 schools in Colorado (based off of combined math and reading proficiency testing data).
The diversity score of Stem School Highlands Ranch is 0.66, which is more than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#191 out of 1748 schools
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
55%
33%
Reading/Language Arts Test Scores (% Proficient)
67%
45%
Science Test Scores (% Proficient)
(20-21)64%
29%
Student-Teacher Ratio
18:1
15:1
Asian
26%
3%
Hispanic
12%
37%
Black
3%
5%
White
51%
49%
Two or more races
8%
5%
All Ethnic Groups
Graduation Rate
≥95%
82%
Chronically Absent Students
(22-23)23.6%
33.6%
Eligible for Free Lunch
11%
39%
Eligible for Reduced Lunch
2%
5%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CO Dept. of Education
School Notes
- School Mascot: Spartans
Frequently Asked Questions
What is Stem School Highlands Ranch's ranking?
Stem School Highlands Ranch is ranked #191 out of 1,748 schools, which ranks it among the top 20% of public schools in Colorado.
What schools are Stem School Highlands Ranch often compared to?
Stem School Highlands Ranchis often viewed alongside schools like Rock Canyon High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
55% of students have achieved math proficiency (compared to the 33% CO state average), while 67% of students have achieved reading proficiency (compared to the 45% CO state average).
What is the graduation rate of Stem School Highlands Ranch?
The graduation rate of Stem School Highlands Ranch is 95%, which is higher than the Colorado state average of 82%.
How many students attend Stem School Highlands Ranch?
1,394 students attend Stem School Highlands Ranch.
What is the racial composition of the student body?
51% of Stem School Highlands Ranch students are White, 26% of students are Asian, 12% of students are Hispanic, 8% of students are Two or more races, and 3% of students are Black.
What is the student-teacher ratio of Stem School Highlands Ranch?
Stem School Highlands Ranch has a student ration of 18:1, which is higher than the Colorado state average of 15:1.
What grades does Stem School Highlands Ranch offer ?
Stem School Highlands Ranch offers enrollment in grades Kindergarten-12 (No virtual instruction).
What school district is Stem School Highlands Ranch part of?
Stem School Highlands Ranch is part of Douglas County School District No. Re 1.
In what neighborhood is Stem School Highlands Ranch located?
Stem School Highlands Ranch is located in the Westridge neighborhood of Littleton, CO. There are 9 other public schools located in Westridge.
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