Skip to content

Altona Middle School

Longmont, CO

Colorado Academic Performance
School Performance Framework
Performance Plan(Highest tier)
% of students who met or exceeded expectations
Colorado proficiency by grade and subject, 2025
GradeEnglish Language ArtsMathScience
All71.9%65.6%—
671.0%63.8%—
772.9%59.9%—
872.0%73.7%65.9%
Discipline
U.S. Department of Education

7.8% of students were suspended out of school at least once in 2023–24.

Measure2021–222023–24
Enrolled in the fall795741
Suspended out of school4.3% · 347.8% · 58
Suspended in school4.5% · 365.7% · 42
Expelled0.0% · 00.0% · 0
Safety and Attendance
Chronic absenteeism rates from the Colorado Department of Education.
Chronic Absenteeism
20.1%
Total Students
750
School Profile

Location

Suburb, Midsize

Enrollment

741 students

Student-Teacher Ratio

19:1

Demographics
Hispanic/Latino13.9%
x
White70.9%
x
Black or African American1.1%
x
Asian8.9%
x
Two or More Races5.3%
x
American Indian or Alaska Native0.0%
x
Native Hawaiian or Pacific Islander0.0%
x
Public school directory

NCES ID 080537001886

District
St. Vrain Valley School District No. Re1j
Status
Open
School category
Regular School
Charter
No
Virtual instruction
No virtual instruction
Enrollment
741 students
Teachers (FTE)
40.1

Sources