ThunderRidge High School is a public high school in Highlands Ranch, Colorado. It is part of the Douglas County School District. It was established in 1996 and has approximately 2000 students as of September 2013.
Serving 1,820 students in grades 9-12, Thunderridge High School ranks in the top 10% of all schools in Colorado for overall test scores (math proficiency is top 10%, and reading proficiency is top 10%).
The percentage of students achieving proficiency in math is 57% (which is higher than the Colorado state average of 33%). The percentage of students achieving proficiency in reading/language arts is 76% (which is higher than the Colorado state average of 45%).
The student-teacher ratio of 22:1 is higher than the Colorado state level of 15:1.
Minority enrollment is 25% of the student body (majority Hispanic), which is lower than the Colorado state average of 51% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 1,820 students
- Student-Teacher Ratio: 22:1
- Minority Enrollment: 25%
- Graduation Rate: 96% (Top 5% in CO)
- Overall Testing Rank: Top 10%
- Math Proficiency: 57% (Top 10%)
- Reading Proficiency: 76% (Top 5%)
- Science Proficiency: 41% (Top 30%)
- Source: National Center for Education Statistics (NCES), CO Dept. of Education
Top Rankings
Thunderridge High School ranks among the top 20% of public schools in Colorado for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Graduation Rate
School Overview
Thunderridge High School's student population of 1,820 students has stayed relatively flat over five school years.
The teacher population of 82 teachers has declined by 17% over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
1,820 students
Total Classroom Teachers
82 teachers
Year Founded
1996
Colors
Navy Blue, Kelly green
School Calendar
School Rankings
Thunderridge High School ranks within the top 10% of all 1,748 schools in Colorado (based off of combined math and reading proficiency testing data).
The diversity score of Thunderridge High School is 0.41, which is less 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
#106 out of 1748 schools
(Top 10%)
(Top 10%)
Math Test Scores (% Proficient)
57%
33%
Reading/Language Arts Test Scores (% Proficient)
76%
45%
Science Test Scores (% Proficient)
(20-21)41%
29%
Student-Teacher Ratio
22:1
15:1
American Indian
n/a
1%
Asian
3%
3%
Hispanic
15%
37%
Black
1%
5%
White
75%
49%
Hawaiian
n/a
n/a
Two or more races
6%
5%
All Ethnic Groups
Graduation Rate
96%
82%
Eligible for Free Lunch
10%
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: Grizzly Bear
Frequently Asked Questions
What is Thunderridge High School's ranking?
Thunderridge High School is ranked #106 out of 1,748 schools, which ranks it among the top 10% of public schools in Colorado.
What schools are Thunderridge High School often compared to?
Thunderridge High Schoolis often viewed alongside schools like Mountain Vista High School, Rock Canyon High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
57% of students have achieved math proficiency (compared to the 33% CO state average), while 76% of students have achieved reading proficiency (compared to the 45% CO state average).
What is the graduation rate of Thunderridge High School?
The graduation rate of Thunderridge High School is 96%, which is higher than the Colorado state average of 82%.
How many students attend Thunderridge High School?
1,820 students attend Thunderridge High School.
What is the racial composition of the student body?
75% of Thunderridge High School students are White, 15% of students are Hispanic, 6% of students are Two or more races, 3% of students are Asian, and 1% of students are Black.
What is the student-teacher ratio of Thunderridge High School?
Thunderridge High School has a student ration of 22:1, which is higher than the Colorado state average of 15:1.
What grades does Thunderridge High School offer ?
Thunderridge High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Thunderridge High School part of?
Thunderridge High School is part of Douglas County School District No. Re 1.
In what neighborhood is Thunderridge High School located?
Thunderridge High School is located in the Westridge neighborhood of Littleton, CO. There are 9 other public schools located in Westridge.
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