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A

Horizons K-8 School

PublicElementaryGrades K–8CharterAlternative Education School

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

Boulder’s School Grade A better than 93% of Colorado school districts

Directions
Students
358
Students per teacher
14:1
Free or reduced lunch
18%
Setting
City
Grades
K–8
The gist

What stands out about Horizons K-8 School

  • Its own letter, A: reading and math results near the top of Colorado’s public schools
  • Math proficiency 24 pts above the state
  • Reading / language arts 20 pts above the state

Test scores

2020–21
Math proficiency54%
State average 30.5%
Reading / language arts67%
State average 47%

Its own letter, A, places these results among Colorado’s 1,665 public schools with results. Source: EDFacts via Urban Institute Education Data Portal (SY2020-21).

Location

Directions ↗

4545 Sioux Drive, Boulder

Students

Enrollment by grade
Kindergarten28
Grade 139
Grade 242
Grade 343
Grade 443
Grade 543
Grade 640
Grade 743
Grade 837
Enrollment over time
348’20
348’21
348’22
361’23
358’24

About steady since 2020–21.

Who goes here
White 83%Two or more races 8%Hispanic 6%Asian 2%Black 1%American Indian/Alaska Native <1%

As reported to NCES, share of students with a reported race or ethnicity.

Parents talk

Questions and answers about Horizons K-8 School from Boulder families.

School facts: U.S. Department of Education (NCES), 2024–2025 school year. Test scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). A school’s letter is our own summary of its reading and math results against Colorado’s other public schools; Boulder’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.