Serving 715 students in grades 6-8, Altona Middle School ranks in the top 10% of all schools in Colorado for overall test scores (math proficiency is top 10%, and reading proficiency is top 10%).
The percentage of students achieving proficiency in math is 62% (which is higher than the Colorado state average of 33%). The percentage of students achieving proficiency in reading/language arts is 65% (which is higher than the Colorado state average of 45%).
The student-teacher ratio of 18:1 is higher than the Colorado state level of 15:1.
Minority enrollment is 31% of the student body (majority Hispanic), which is lower than the Colorado state average of 51% (majority Hispanic).
Quick Facts (2026)
- Grades: 6-8
- Enrollment: 715 students
- Student-Teacher Ratio: 18:1
- Minority Enrollment: 31%
- Overall Testing Rank: Top 10% in CO
- Math Proficiency: 62% (Top 10%)
- Reading Proficiency: 65% (Top 20%)
- Science Proficiency: 50-54% (Top 10%)
- Attendance Zone: Altona Middle School serves the southwest part of Longmont, CO, covering an attendance area of approximately 57.2 square miles. Families within this zone typically have a 10-12 minute drive to the school, with an average distance of 4.4 miles to the nearest boundary and a maximum distance of 10.4 miles to the furthest edge.
- Source: National Center for Education Statistics (NCES), CO Dept. of Education
Top Rankings
Altona Middle School ranks among the top 20% of public schools in Colorado for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
School Overview
Altona Middle School's student population of 715 students has declined by 9% over five school years.
The teacher population of 39 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 6-8
(No virtual instruction)
(No virtual instruction)
Total Students
715 students
Total Classroom Teachers
39 teachers
School Calendar
School Motto
Altona Middle School is a place where each individual student will create their own opportunities through Core, Enrichment, and Extracurricular achievement!
School Rankings
Altona Middle School ranks within the top 10% of all 1,748 schools in Colorado (based off of combined math and reading proficiency testing data).
The diversity score of Altona Middle School is 0.49, which is less than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#163 out of 1748 schools
(Top 10%)
(Top 10%)
Math Test Scores (% Proficient)
62%
33%
Reading/Language Arts Test Scores (% Proficient)
65%
45%
Science Test Scores (% Proficient)
(20-21)50-54%
29%
Student-Teacher Ratio
18:1
15:1
American Indian
n/a
1%
Asian
10%
3%
Hispanic
15%
37%
Black
1%
5%
White
69%
49%
Hawaiian
n/a
n/a
Two or more races
5%
5%
All Ethnic Groups
Chronically Absent Students
(22-23)25.3%
33.6%
Eligible for Free Lunch
20%
39%
Eligible for Reduced Lunch
3%
5%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CO Dept. of Education
Frequently Asked Questions
What is Altona Middle School's ranking?
Altona Middle School is ranked #163 out of 1,748 schools, which ranks it among the top 10% of public schools in Colorado.
What schools are Altona Middle School often compared to?
Altona Middle Schoolis often viewed alongside schools like Westview Middle School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
62% of students have achieved math proficiency (compared to the 33% CO state average), while 65% of students have achieved reading proficiency (compared to the 45% CO state average).
How many students attend Altona Middle School?
715 students attend Altona Middle School.
What is the racial composition of the student body?
69% of Altona Middle School students are White, 15% of students are Hispanic, 10% of students are Asian, 5% of students are Two or more races, and 1% of students are Black.
What is the student-teacher ratio of Altona Middle School?
Altona Middle School has a student ration of 18:1, which is higher than the Colorado state average of 15:1.
What grades does Altona Middle School offer ?
Altona Middle School offers enrollment in grades 6-8 (No virtual instruction).
What school district is Altona Middle School part of?
Altona Middle School is part of St. Vrain Valley School District No. Re1j.
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