For the 2025 school year, there are 8 public charter schools serving 4,838 students in the neighborhood of Union Square, Denver, CO.
The top ranked public charter schools in Union Square are Astravo Online Academy High School, Colorado Virtual Academy High School and Colorado Virtual Academy. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
The neighborhood of Union Square, Denver, CO public charter schools have an average math proficiency score of 50% (versus the Colorado public charter school average of 34%), and reading proficiency score of 50% (versus the 48% statewide average).
Minority enrollment is 41% of the student body (majority Hispanic), which is less than the Colorado public charter school average of 52% (majority Hispanic).
Best Public Charter Schools in the neighborhood of Union Square, Denver, CO (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #1 - 21. - 2.
Astravo Online Academy High School
Charter School
(Math: <50% | Reading: ≥50%)
Rank:
Rank:
8/
Top 30%10
165 South Union Blvd Suite 777
Denver, CO 80228
(303) 822-5292
Denver, CO 80228
(303) 822-5292
Grades: 9-12
| 2,578 students
Rank: #1 - 21. - 2.
Colorado Virtual Academy High School
Charter School
(Math: <50% | Reading: ≥50%)
Rank:
Rank:
8/
Top 30%10
165 S. Union Blvd #777
Denver, CO 80228
(303) 255-4650
Denver, CO 80228
(303) 255-4650
Grades: 9-12
| 602 students
Rank: #3 - 43. - 4.
Colorado Virtual Academy
Charter School
(Math: <50% | Reading: <50%)
Rank:
Rank:
8/
Top 30%10
165 S. Union Blvd #777
Denver, CO 80228
(303) 255-4650
Denver, CO 80228
(303) 255-4650
Grades: K-6
| 405 students
Rank: #3 - 43. - 4.
Colorado Virtual Academy Middle School
Charter School
(Math: <50% | Reading: <50%)
Rank:
Rank:
8/
Top 30%10
165 S. Union Blvd
Denver, CO 80228
(303) 255-4650
Denver, CO 80228
(303) 255-4650
Grades: 7-8
| 131 students
Rank: #55.
Colorado Online High School
Charter School
(Math: <50% | Reading: <50% )
Rank:
Rank:
8/
Top 30%10
165 S. Union Blvd #777
Denver, CO 80228
(303) 255-4650
Denver, CO 80228
(303) 255-4650
Grades: 9-12
| 389 students
Rank: #66.
Astravo Online Academy Elementary School
Charter School
(Math: 21-39% | Reading: 21-39%)
Rank:
Rank:
4/
Bottom 50%10
165 South Union Blvd Suite 777
Denver, CO 80228
(303) 822-5292
Denver, CO 80228
(303) 822-5292
Grades: PK-5
| 637 students
Rank: #77.
Astravo Online Academy Middle School
Charter School
(Math: ≤10% | Reading: 20-29%)
Rank:
Rank:
2/
Bottom 50%10
165 South Union Blvd Suite 777
Denver, CO 80228
(303) 822-5292
Denver, CO 80228
(303) 822-5292
Grades: 6-8
| 854 students
Rank: #88.
Colorado Online Middle School
Charter School
(Math: 11-19% | Reading: 11-19% )
Rank:
Rank:
1/
Bottom 50%10
165 S. Union Blvd #777
Denver, CO 80228
(303) 255-4650
Denver, CO 80228
(303) 255-4650
Grades: 6-8
| 321 students
Frequently Asked Questions
What are the top ranked public charter schools in the neighborhood of Union Square, Denver, CO?
The top ranked public charter schools in the neighborhood of Union Square, Denver, CO include Astravo Online Academy High School, Colorado Virtual Academy High School and Colorado Virtual Academy.
How many public charter schools are located in the neighborhood of Union Square, Denver?
8 public charter schools are located in the neighborhood of Union Square, Denver.
What is the racial composition of students in the neighborhood of Union Square, Denver?
the neighborhood of Union Square, Denver public charter schools minority enrollment is 41% of the student body (majority Hispanic), which is less than the Colorado public charter schools average of 52% (majority Hispanic).
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