Altona Middle School

4600 Clover Basin Drive
Longmont, CO 80503
(School attendance zone shown in map)
10/
10
Top 10%
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%
  • : Top 10% in CO
  • : 62% (Top 10%)
  • : 65% (Top 20%)
  • : 50-54% (Top 10%)
  • 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
Reading/Language Arts 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)
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.
This School
State Level (CO)
#163 out of 1748 schools
(Top 10%)
62%
33%
65%
45%
(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
0.49
(22-23)
25.3%
33.6%
Eligible for Free Lunch
20%
39%
Eligible for Reduced Lunch
3%
5%
School Statewide Testing
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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Quick Facts (2026)

  • Grades: 6-8
  • Enrollment: 715 students
  • Student-Teacher Ratio: 18:1
  • Minority Enrollment: 31%
  • : Top 10%
  • : 62% (Top 10%)
  • : 65% (Top 20%)
  • : 50-54% (Top 10%)
  • Source: National Center for Education Statistics (NCES), CO Dept. of Education

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