For the 2026 school year, there is 1 public high school serving 52 students in Armour School District 21-1. This district's average high testing ranking is 8/10, which is in the top 30% of public high schools in South Dakota.
Public High School in Armour School District 21-1 have an average math proficiency score of 50% (versus the South Dakota public high school average of 40%), and reading proficiency score of 50% (versus the 63% statewide average).
Public High School in Armour School District 21-1 have a Graduation Rate of 50%, which is less than the South Dakota average of 82%.
The school with highest graduation rate is Armour High School - 01, with ≥50% graduation rate. Read more about public school graduation rate statistics in South Dakota or national school graduation rate statistics.
Minority enrollment is 10% of the student body (majority Black and American Indian), which is less than the South Dakota public high school average of 35% (majority American Indian).
Overview
This School District
This State (SD)
# Schools
3 Schools
217 Schools
# Students
224 Students
46,971 Students
# Teachers
20 Teachers
3,330 Teachers
Student-Teacher Ratio
11:1
11:1
Student By Grade
District Rank
Armour School District 21-1, which is ranked within the bottom 50% of all 146 school districts in South Dakota (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 80% has increased from 50% over five school years.
Overall District Rank
#117 out of 148 school districts
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
40%
42%
Reading/Language Arts Test Scores (% Proficient)
35-39%
51%
Science Test Scores (% Proficient)
30-39%
42%
Graduation Rate
(21-22)≥80%
82%
Students by Ethnicity:
Diversity Score
0.23
0.54
% American Indian
2%
19%
% Asian
n/a
1%
% Hispanic
4%
7%
% Black
2%
3%
% White
88%
65%
% Hawaiian
n/a
n/a
% Two or more races
4%
5%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $14,920 is higher than the state median of $13,146. The school district revenue/student has declined by 12% over four school years.
The school district's spending/student of $12,772 is higher than the state median of $12,647. The school district spending/student has declined by 21% over four school years.
Total Revenue
$3 MM
$1,916 MM
Spending
$3 MM
$1,844 MM
Revenue / Student
$14,920
$13,146
Spending / Student
$12,772
$12,647
Best Armour School District 21-1 Public High Schools (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Armour High School - 01
(Math: ≥50% | Reading: ≥50%)
Rank:
Rank:
8/
Top 30%10
604 3rd St
Armour, SD 57313
(605) 724-2153
Armour, SD 57313
(605) 724-2153
Gr: 9-12 | 52 students Student-teacher ratio: 7:1 Minority enrollment: 10%
Recent Articles
Helping Children Overcome First-Week School Anxiety
Learn practical strategies to help children overcome first-week school anxiety, with expert-backed tips for parents and educators.
Public School Immunization Requirements 2026–2027
Learn public school immunization and health requirements for 2026–2027, including vaccines, exemptions, and state policy updates.
Public Schools in a Minute: 2026 Snapshot Guide
A clear 2026 snapshot of public schools in the U.S., including enrollment, funding, trends, and what families should know.
