Horizons K-8 School

Charter

Alternative School · BOULDER, CO

Horizons K-8 School is a charter alternative school school in BOULDER, Colorado, serving grades KG–08 with 358 students enrolled (SY 2024-2025). The student-teacher ratio is 14.1:1.

Level

Elementary

Grades

KG – 08

Enrollment

358

Teachers (FTE)

25.5

Student–Teacher Ratio

14.1:1

Status

Open

Lunch Program Participation

Yes participating without using any Provision or the CEO

Student Demographics (SY 2024-2025)

Race / Ethnicity	Students	Share
White	296	83%
Two or more races	27	8%
Hispanic/Latino	21	6%
Asian	7	2%
Black or African American	4	1%
Not Specified	2	1%
American Indian / Alaska Native	1	0%
Total enrollment	358	173M / 183F

Academic Performance (SY 2021-2022)

Metric	This School	State Avg	Tested
Math Proficiency	50-59%	32.2%	51
Reading Proficiency	65-69%	55.2%	68
Science Proficiency	>=50%	—	14

Source: EDFacts, SY 2020–2021. Suppressed values (e.g. <=10%) indicate fewer than the minimum reportable threshold.

Stanford Achievement Estimate

Pooled score across SY 2009–2022 (grades 3–8), expressed in grade levels relative to the national average. Positive = above average.

Overall (Math + ELA)

+0.79 grade levels

Math

-0.18 grade levels

Programs & Discipline

Gifted & Talented

Program offered

46 students enrolled

Out-of-School Suspensions

0.3% of enrollment · SY 2021–22

Chronically Absent

5.6% of enrollment · SY 2019–20

Source: Civil Rights Data Collection (CRDC), Office for Civil Rights & EDFacts.

Lunch Program (SY 2024-2025)

Category	Students	% of School
Total enrollment (est.)	358	100%

Contact & Location

4545 SIOUX DRIVE

BOULDER, CO 80303

Phone: (720)561-5580

District

Boulder Valley School District No. Re2

Per-pupil expenditure: $19,272

District enrollment: 28,485

Other Schools in District

Alicia Sanchez International School Elementary
Aspen Creek K-8 School Elementary
Bear Creek Elementary School Elementary
Birch Elementary School Elementary
Boulder Community School/Integrated Studies Elementary
Coal Creek Elementary School Elementary
Columbine Elementary School Elementary
Community Montessori School Elementary

View all 55 schools →

Related Data

Neighborhood demographics (ZIP 80303) → CensusDepth.com
Colorado population & income data → CensusDepth.com
Colorado teacher salaries → WageDepth.com

NCES ID

080249006199

Data sources: NCES CCD SY 2024-2025 (directory, staff, lunch), EDFacts SY 2020-21 (assessments), CRDC SY 2021-22 (programs & discipline), SEDA v6.0 (achievement estimates). Updated annually. NCES CCD