Stargate School, also called Stargate Charter School, is a charter school for gifted and talented children in Thornton, Colorado, in the Adams 12 Five Star Schools District in Adams County, Colorado, in the United States. It was founded in 1994, and teaches children from kindergarten to 12th grade.
Serving 1,572 students in grades Kindergarten-12, Stargate Charter School ranks in the top 5% of all schools in Colorado for overall test scores (math proficiency is top 5%, and reading proficiency is top 5%).
The percentage of students achieving proficiency in math is 75% (which is higher than the Colorado state average of 33%). The percentage of students achieving proficiency in reading/language arts is 79% (which is higher than the Colorado state average of 45%).
The student-teacher ratio of 19:1 is higher than the Colorado state level of 15:1.
Minority enrollment is 52% of the student body (majority Asian), which is higher than the Colorado state average of 51% (majority Hispanic).
Quick Facts (2026)
- School Type: Charter School
- Grades: Kindergarten-12
- Enrollment: 1,572 students
- Student-Teacher Ratio: 19:1
- Minority Enrollment: 52%
- Graduation Rate: ≥95% (Top 5% in CO)
- Overall Testing Rank: Top 5%
- Math Proficiency: 75% (Top 5%)
- Reading Proficiency: 79% (Top 5%)
- Science Proficiency: 80-84% (Top 1%)
- Source: National Center for Education Statistics (NCES), CO Dept. of Education
Top Rankings
Stargate Charter School 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
Stargate Charter School's student population of 1,572 students has grown by 5% over five school years.
The teacher population of 81 teachers has grown by 9% over five school years.
School Type
Grades Offered
Grades Kindergarten-12
(No virtual instruction)
(No virtual instruction)
Total Students
1,572 students
Total Classroom Teachers
81 teachers
Year Founded
1994
Campus Size
43 acres
School Rankings
Stargate Charter School ranks within the top 5% of all 1,748 schools in Colorado (based off of combined math and reading proficiency testing data).
The diversity score of Stargate Charter School 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
#27 out of 1748 schools
(Top 5%)
(Top 5%)
Math Test Scores (% Proficient)
75%
33%
Reading/Language Arts Test Scores (% Proficient)
79%
45%
Science Test Scores (% Proficient)
(20-21)80-84%
29%
Student-Teacher Ratio
19:1
15:1
American Indian
n/a
1%
Asian
30%
3%
Hispanic
11%
37%
Black
1%
5%
White
48%
49%
Hawaiian
n/a
n/a
Two or more races
10%
5%
All Ethnic Groups
Graduation Rate
≥95%
82%
Eligible for Free Lunch
9%
39%
Eligible for Reduced Lunch
2%
5%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CO Dept. of Education
Frequently Asked Questions
What is Stargate Charter School's ranking?
Stargate Charter School is ranked #27 out of 1,748 schools, which ranks it among the top 5% of public schools in Colorado.
What schools are Stargate Charter School often compared to?
Stargate Charter Schoolis often viewed alongside schools like Westgate Community School, Hulstrom K-8 by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
75% of students have achieved math proficiency (compared to the 33% CO state average), while 79% of students have achieved reading proficiency (compared to the 45% CO state average).
What is the graduation rate of Stargate Charter School?
The graduation rate of Stargate Charter School is 95%, which is higher than the Colorado state average of 82%.
How many students attend Stargate Charter School?
1,572 students attend Stargate Charter School.
What is the racial composition of the student body?
48% of Stargate Charter School students are White, 30% of students are Asian, 11% of students are Hispanic, 10% of students are Two or more races, and 1% of students are Black.
What is the student-teacher ratio of Stargate Charter School?
Stargate Charter School has a student ration of 19:1, which is higher than the Colorado state average of 15:1.
What grades does Stargate Charter School offer ?
Stargate Charter School offers enrollment in grades Kindergarten-12 (No virtual instruction).
What school district is Stargate Charter School part of?
Stargate Charter School is part of Adams 12 Five Star Schools.
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![[daily news briefing] "Stargate Charter School Triumphs at Colorado High School Science Bo](https://i.ytimg.com/vi/U8NNI6IXAms/0.jpg "The Colorado High School Science Bowl held on February 8, 2025, showcased academic talent, with Stargate Charter School claiming an unexpected victory. Competing against 24 teams, including reigning champions Fossil Ridge High School, Stargate, led by 17-year-old Jacob, triumphed with a score of 106 to 22, ending Fossil Ridge’s four-year winning streak. Initially omitted from the roster due to a registration error, Stargate’s team adapted rapidly to focus solely on the Science Bowl, emphasizing the importance of STEM education. This event, managed by the U.S. Department of Energy, aims to inspire students in math and science. Meanwhile, breakthroughs in mRNA vaccine development for tuberculosis by Australian researchers highlight the potential of mRNA technology, previously effective against COVID-19, to address global health challenges. Concerns about NIH funding cuts in the U.S. underscore the intersection of politics and science, threatening biomedical research. Additionally, advanc")
