Altona Middle School

Regular School · LONGMONT, CO

Altona Middle School is a regular school school in LONGMONT, Colorado, serving grades 06–08 with 715 students enrolled (SY 2024-2025). The student-teacher ratio is 18.5:1.

Level

Middle

Grades

06 – 08

Enrollment

715

Teachers (FTE)

38.6

Student–Teacher Ratio

18.5:1

Status

Open

Lunch Program Participation

Yes participating without using any Provision or the CEO

Student Demographics (SY 2024-2025)

Race / Ethnicity	Students	Share
White	496	69%
Hispanic/Latino	107	15%
Asian	71	10%
Two or more races	36	5%
Black or African American	5	1%
Total enrollment	715	365M / 350F

English Language Learners: 15 (2% of enrollment) · SY 2021–22

Academic Performance (SY 2021-2022)

Metric	This School	State Avg	Tested
Math Proficiency	46.0% +13.8pp	32.2%	358
Reading Proficiency	67.0% +11.8pp	55.2%	202
Science Proficiency	50-54%	—	169

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)

+0.88 grade levels

Math

+0.13 grade levels

Programs & Discipline

Gifted & Talented

Program offered

111 students enrolled

Out-of-School Suspensions

3.8% of enrollment · SY 2021–22

Chronically Absent

135

18.9% 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.)	715	100%

Contact & Location

4600 CLOVER BASIN DRIVE

LONGMONT, CO 80503

Phone: (720)494-3980

District

St. Vrain Valley School District No. Re1J

Per-pupil expenditure: $15,935

District enrollment: 31,894

Other Schools in District

Alpine Elementary School Elementary
Aspen Ridge Preparatory School Elementary
Black Rock Elementary Elementary
Blue Mountain Elementary Elementary
Burlington Elementary School Elementary
Carbon Valley Academy Elementary
Centennial Elementary Elementary
Central Elementary School Elementary

View all 53 schools →

Related Data

Neighborhood demographics (ZIP 80503) → CensusDepth.com
Colorado population & income data → CensusDepth.com
Colorado teacher salaries → WageDepth.com

NCES ID

080537001886

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