Armstrong Elementary School

8855 Inwood Ave S
Cottage Grove, MN 55016
(School attendance zone shown in map)
6/
10
Top 50%
Serving 325 students in grades Prekindergarten-5, Armstrong Elementary School ranks in the top 50% of all schools in Minnesota for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 45-49% (which is approximately equal to the Minnesota state average of 46%). The percentage of students achieving proficiency in reading/language arts is 50-54% (which is approximately equal to the Minnesota state average of 51%).
The student-teacher ratio of 12:1 is lower than the Minnesota state level of 13:1.
Minority enrollment is 47% of the student body (majority Asian and Hispanic), which is higher than the Minnesota state average of 40% (majority Black and Hispanic).

Quick Facts (2026)

  • Grades: Prekindergarten-5
  • Enrollment: 325 students
  • Student-Teacher Ratio: 12:1
  • Minority Enrollment: 47%
  • : Top 50% in MN
  • : 45-49% (Top 50%)
  • : 50-54% (Top 50%)
  • : 30-39% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), MN Dept. of Education

School Overview

Armstrong Elementary School's student population of 325 students has stayed relatively flat over five school years.
The teacher population of 28 teachers has declined by 12% over five school years.
Grades Offered
Grades Prekindergarten-5
(No virtual instruction)
Total Students
325 students
Total Classroom Teachers
28 teachers
School Calendar

School Rankings

Armstrong Elementary School ranks within the top 50% of all 1,773 schools in Minnesota (based off of combined math and reading proficiency testing data).
The diversity score of Armstrong Elementary School is 0.67, which is more than the diversity score at state average of 0.60. The school's diversity has stayed relatively flat over five school years.
This School
State Level (MN)
#740 out of 1773 schools
(Top 50%)
45-49%
46%
50-54%
51%
30-39%
41%
Student-Teacher Ratio
12:1
13:1
American Indian
1%
2%
Asian
13%
7%
Hispanic
12%
12%
Black
10%
12%
White
53%
60%
Two or more races
11%
7%
All Ethnic Groups
0.67
Eligible for Free Lunch
28%
34%
Eligible for Reduced Lunch
9%
7%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), MN Dept. of Education

School Notes

  • School Mascot: Wildcats

Frequently Asked Questions

What is Armstrong Elementary School's ranking?
Armstrong Elementary School is ranked #740 out of 1,773 schools, which ranks it among the top 50% of public schools in Minnesota.
What schools are Armstrong Elementary School often compared to?
Armstrong Elementary Schoolis often viewed alongside schools like Cottage Grove Elementary School, Grey Cloud Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
45-49% of students have achieved math proficiency (compared to the 46% MN state average), while 50-54% of students have achieved reading proficiency (compared to the 51% MN state average).
How many students attend Armstrong Elementary School?
325 students attend Armstrong Elementary School.
What is the racial composition of the student body?
53% of Armstrong Elementary School students are White, 13% of students are Asian, 12% of students are Hispanic, 11% of students are Two or more races, 10% of students are Black, and 1% of students are American Indian.
What is the student-teacher ratio of Armstrong Elementary School?
Armstrong Elementary School has a student ration of 12:1, which is lower than the Minnesota state average of 13:1.
What grades does Armstrong Elementary School offer ?
Armstrong Elementary School offers enrollment in grades Prekindergarten-5 (No virtual instruction).
What school district is Armstrong Elementary School part of?
Armstrong Elementary School is part of South Washington County Schools.

School Reviews

Review Armstrong Elementary School. Reviews should be a few sentences in length. Please include any comments on:

  • Quality of academic programs, teachers, and facilities
  • Availability of music, art, sports and other extracurricular activities
Rate this school:

Recent Articles

When “Free Public School” Still Isn’t Free
When “Free Public School” Still Isn’t Free
Discover the hidden costs of public school in 2026, from supplies and fees to transportation, technology, and extracurricular expenses.
What a District Budget Cut Means for Your Child's School Experience
What a District Budget Cut Means for Your Child's School Experience
Learn how district budget cuts can affect class sizes, programs, staffing, transportation, and your child's daily school experience in 2026.
School Closure Risk: What Parents Should Check Before Moving
School Closure Risk: What Parents Should Check Before Moving
Learn how parents can assess school closure risk before buying or renting in a district, using enrollment, funding, and boundary data.

Quick Facts (2026)

  • Grades: Prekindergarten-5
  • Enrollment: 325 students
  • Student-Teacher Ratio: 12:1
  • Minority Enrollment: 47%
  • : Top 50%
  • : 45-49% (Top 50%)
  • : 50-54% (Top 50%)
  • : 30-39% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), MN Dept. of Education

Request Information

Quick Links