Best Public Charter Schools in 80303 (Boulder, CO) (2025-26)

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Best 80303 Colorado Public Charter Schools (2025-26)

For the 2025-26 school year, there is 1 public charter school serving 361 students in 80303, CO.

The top ranked public charter school in 80303, CO is Horizons K-8 School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.

Public charter school in zipcode 80303 have an score of 53% (versus the Colorado public charter school average of 35%), and score of 65% (versus the 48% statewide average). Charter schools in 80303, CO have an average ranking of 9/10, which is in the top 20% of Colorado public charter schools.

Minority enrollment is 18% of the student body (majority Hispanic), which is less than the Colorado public charter school average of 52% (majority Hispanic).

Best 80303, CO Public Charter Schools (2025-26)

School
(Math and Reading Proficiency)

Location

Quick Facts

Rank: #11.

Horizons K-8 School

Alternative School
Charter School

(Math: 53% | Reading: 65%)
:

Top 20%

4545 Sioux Drive
Boulder, CO 80303
(720) 561-5580

Gr: K-8 | 361 students Student-teacher ratio: 14:1 Minority enrollment: 18%

[+] Show Closed 51��s in 80303 Colorado

80303, Colorado 51��s (Closed)

School

Location

Quick Facts

Boulder Explore (Closed 2018)

7690 East Baseline Rd
Boulder, CO 80303
(720) 561-5500

Gr: K-12 | 11 students Student-teacher ratio: 11:1 Minority enrollment: 27%

Halcyon School (Special Education) (Closed 2023)

Special Education School

3100 Bucknell Court
Boulder, CO 80303
(720) 561-4700

Gr: 6-12 | 13 students Student-teacher ratio: 3:1 Minority enrollment: 23%

Frequently Asked Questions

What are the top ranked public charter schools in 80303, CO?

The top ranked public charter schools in 80303, CO include Horizons K-8 School.

How many public charter schools are located in 80303?

1 public charter schools are located in 80303.

What is the racial composition of students in 80303?

80303 public charter schools minority enrollment is 18% of the student body (majority Hispanic), which is less than the Colorado public charter schools average of 52% (majority Hispanic).