Serving 189 students in grades 9-12, Addenbrooke Classical Academy ranks in the top 50% of all schools in Colorado for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 20-29% (which is lower than the Colorado state average of 33%). The percentage of students achieving proficiency in reading/language arts is 70-79% (which is higher than the Colorado state average of 45%).
The student-teacher ratio of 17:1 is higher than the Colorado state level of 15:1.
Minority enrollment is 52% of the student body (majority Hispanic), which is higher than the Colorado state average of 50% (majority Hispanic).
Quick Facts (2025-26)
- School Type: Charter School
- Grades: 9-12
- Enrollment: 189 students
- Student-Teacher Ratio: 17:1
- Minority Enrollment: 52%
- Graduation Rate: ≥90% (Top 30% in CO)
- Overall Testing Rank: Top 50%
- Math Proficiency: 20-29% (Btm 50%)
- Reading Proficiency: 70-79% (Top 10%)
- Science Proficiency: 20-24% (Btm 50%)
- Source: National Center for Education Statistics (NCES), CO Dept. of Education
Top Rankings
Addenbrooke Classical Academy ranks among the top 20% of public schools in Colorado for:
Category
Attribute
Reading/Language Arts Proficiency
School Overview
Addenbrooke Classical Academy's student population of 189 students has declined by 49% over five school years.
The teacher population of 11 teachers has declined by 52% over five school years.
School Type
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
189 students
Gender %
Total Classroom Teachers
11 teachers
School Calendar
Last Day of School
Mon. May 25, 2026
School Rankings
Addenbrooke Classical Academy ranks within the top 50% of all 1,748 schools in Colorado (based off of combined math and reading proficiency testing data).
The diversity score of Addenbrooke Classical Academy is 0.61, which is less than the diversity score at state average of 0.62. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#569 out of 1748 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
20-29%
33%
Reading/Language Arts Test Scores (% Proficient)
70-79%
45%
Science Test Scores (% Proficient)
(20-21)20-24%
29%
Student-Teacher Ratio
17:1
15:1
American Indian
1%
1%
Asian
4%
3%
Hispanic
40%
36%
Black
n/a
5%
White
48%
50%
Hawaiian
n/a
n/a
Two or more races
7%
5%
All Ethnic Groups
Graduation Rate
≥90%
82%
Eligible for Free Lunch
6%
39%
Eligible for Reduced Lunch
2%
6%
School Statewide Testing
School District Name
Sports
Total Sports Offered
1 sport
Sports
Golf
Source: National Center for Education Statistics (NCES), CO Dept. of Education
Profile last updated: 08/03/2025
Frequently Asked Questions
What is Addenbrooke Classical Academy's ranking?
Addenbrooke Classical Academy is ranked #569 out of 1,748 schools, which ranks it among the top 50% of public schools in Colorado.
What percent of students have achieved state testing proficiency in math and reading?
20-29% of students have achieved math proficiency (compared to the 33% CO state average), while 70-79% of students have achieved reading proficiency (compared to the 45% CO state average).
What is the graduation rate of Addenbrooke Classical Academy?
The graduation rate of Addenbrooke Classical Academy is 90%, which is higher than the Colorado state average of 82%.
How many students attend Addenbrooke Classical Academy?
189 students attend Addenbrooke Classical Academy.
What is the racial composition of the student body?
48% of Addenbrooke Classical Academy students are White, 40% of students are Hispanic, 7% of students are Two or more races, 4% of students are Asian, and 1% of students are American Indian.
What is the student-teacher ratio of Addenbrooke Classical Academy?
Addenbrooke Classical Academy has a student ration of 17:1, which is higher than the Colorado state average of 15:1.
What grades does Addenbrooke Classical Academy offer ?
Addenbrooke Classical Academy offers enrollment in grades 9-12 (No virtual instruction).
What school district is Addenbrooke Classical Academy part of?
Addenbrooke Classical Academy is part of Jefferson County School District No. R-1.
In what neighborhood is Addenbrooke Classical Academy located?
Addenbrooke Classical Academy is located in the Academy Park neighborhood of Denver, CO. There are 1 other public schools located in Academy Park.
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