Altona Middle School
Public
Middle Grades 6–8
Part of St. Vrain Valley School District No. Re1J
4600 CLOVER BASIN DRIVE, LONGMONT, CO 80503 · (720) 494-3980
Community ratings
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Academic performance
Math proficiency46%
State average 30.5%
Reading / language arts67%
State average 47%
EDFacts via Urban Institute Education Data Portal (SY2020-21)
At a glance
715Students enrolled
19:1Student–teacher ratio
23%Free / reduced lunch
SuburbSetting
Regular SchoolSchool type
Enrollment by grade
Grade 6235
Grade 7241
Grade 8239
Students
White · 69%496
Hispanic · 15%107
Asian · 10%71
Two or more races · 5%36
Black · 1%5
Counts as reported to NCES; percentages are of students with a reported race/ethnicity.
Enrollment · last 5 years
794’20
795’21
770’22
741’23
715’24
Location
4600 CLOVER BASIN DRIVE LONGMONT
Neighbor reviews
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School facts from the U.S. Department of Education (NCES), 2024-2025 school year. Academic scores from the EDFacts via Urban Institute Education Data Portal (SY2020-21). Community ratings and reviews reflect neighbor opinions, not an official measure of school quality.