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SCHOOL COMMUNITY·ARMOUR SCHOOL DISTRICT 21-1·NCES 460378000878

Armour Middle School - 03

905 Dobson Ave, Armour, SD 57313 · (605) 724-2698 · Douglas County
GRADES 06–08MIDDLE43-RURALREGULAR SCHOOL50 STUDENTS
Enrollment
50
Middle
DISTRICT 75 · STATE 187
Student : Teacher
9.4:1
5 FTE teachers
DISTRICT 10.1:1 · STATE 13.4:1
Free / Reduced Lunch
18%
9 students
DISTRICT 14% · STATE 42%
Community
0
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 6
9
Grade 7
23
Grade 8
18
Student demographics
White
4080%
DISTRICT 85% · STATE 66%
Hispanic
36%
DISTRICT 7% · STATE 9%
Black
24%
DISTRICT 3% · STATE 3%
Two+
24%
DISTRICT 4% · STATE 6%
Native American
36%
DISTRICT 2% · STATE 14%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
2856%
Female
2244%

School pathway

Students here typically continue to
Armour Middle School - 03Armour High School - 01
Feeds from
Armour Elementary - 02PK05
Based on grade levels within Armour School District 21-1. Attendance zones can vary; confirm enrollment with the district.

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Test scores

SD Smarter Balanced 2024-25 . % Proficient
English Language Arts
51.0%
SD avg 50.3% . +19.9pp since 2022
Math
49.0%
SD avg 47.5% . +0.1pp since 2022

What this means: On the SD Smarter Balanced, South Dakota's statewide test, about 51 of every 100 students at this school read and write at grade level and about 49 of 100 do math at grade level. Across all South Dakota schools, those numbers are about 50 and 47. Reading and writing scores are up about 20 points since 2022, while math scores have held steady.

Source: SD Smarter Balanced. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
46.7%
composite math + reading, all grades
Predicted
55.6%
based on SD schools with similar FRL share
Beats by
-9.0pp
below demographic expectation

What this means: About 47% of students here test proficient in math and reading, compared with the roughly 56% typical for South Dakota schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among South Dakota's top nor bottom 10%.

BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
50
+8 (+19%) vs 2017
Student : Teacher
9.4:1
was 8.3:1
% White
80%
was 86%
% Hispanic
6%
was 5%
% Black
4%
was 0%
% Asian
0%
was 0%
Source: NCES Common Core of Data

About Armour Middle School - 03

Located at 905 Dobson Ave, in Armour, South Dakota, Armour Middle School - 03 is a very small junior high that works with 50 students (grades 6 through 8), operated by Armour School District 21-1. Compared to the state average of about 187 students per school, that is 73% leaner than typical.

Armour School District 21-1 comprises 3 schools with combined enrollment of 226 students; Armour Middle School - 03 is among them.

On demographics, Armour Middle School - 03 reports that nearly all students (80%) are White. Beyond that, the school lists 6% Hispanic, 6% Native American, 4% Black, 4% multiracial. The wider county runs roughly 92% White, putting the school's mix considerably less White than the area baseline.

Looking at school resources, On paper, Armour Middle School - 03 has 5 full-time-equivalent teachers, translating to a class-load average of around 9.4:1. Statewide, the average ratio sits near 13.4:1, putting Armour Middle School - 03 tighter than the state norm the norm. An estimated 18% of students are eligible for free or reduced-price lunch, a commonly cited indicator of low-income enrollment.

On a demographically-adjusted basis, Armour Middle School - 03 tracks the demographic baseline. The model predicts 55.6% given the school's FRL share; actual proficiency is 46.7%.

Across the wider county, census data for Douglas County shows the typical household earns roughly $86,442 per year, 25% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 6%. Across Douglas County's 6 public schools (combined enrollment of about 353 students), Armour Middle School - 03 is one campus in the mix.

Armour Elementary - 02 is the nearest neighboring public school, about 0.0 miles from this campus. Counting just inside five miles, 2 other public schools cluster around Armour Middle School - 03. Among the 5 schools in that immediate cluster with test data (this one included), Armour Middle School - 03 ranks 3rd on composite proficiency, beneath the local average of 49.6%.

Geographically, the school is in a rural area.

Trend over the last 7 years. Looking back 7 years, enrollment at Armour Middle School - 03 has edged up 19%, going from 42 students in 2018 to 50 in 2025. The White share of enrollment fell from 86% to 80% over that span. Class-load math has grew: from 8.3:1 in 2018 to 9.4:1 in 2025.

Inside the community feed, the feed for Armour Middle School - 03 typically covers science fair prep, picture-day reminders, and bus-route questions. Posting is open to anyone connected to the school.

Douglas County at a glance

View full county profile
Population
2,828
Census ACS
Median income
$86,442
Household, ACS
Bachelor's+
25%
Adults 25+
Poverty rate
6%
Below federal line
Schools in county
6
353 students

Quick facts

School name
Armour Middle School - 03
District
Armour School District 21-1
Address
905 Dobson Ave, Armour, SD 57313
Phone
(605) 724-2698
County
Douglas County
Level
Middle
Grade range
06–08
Total enrollment
50
Teachers (FTE)
5
Student–teacher ratio
9.4:1
Free/Reduced lunch
9 (18%)
Locale
43-Rural: Remote
NCES ID
460378000878
Charter school
No
Virtual school
No

Related schools

Other schools in Armour School District 21-1
Other schools in Armour
Nearby schools

Frequently asked questions

About Armour Middle School - 03
What is the total enrollment at Armour Middle School - 03?
Armour Middle School - 03 enrolls approximately 50 students in grades 06-08.
What grades does Armour Middle School - 03 serve?
Armour Middle School - 03 serves grades 06-08.
How many students per teacher at Armour Middle School - 03?
Approximately 9.4:1 students per teacher at Armour Middle School - 03.
What is the student diversity at Armour Middle School - 03?
Student demographics at Armour Middle School - 03 are roughly 80% White, 6% Hispanic, 4% Black, 4% Two or more.
What district is Armour Middle School - 03 in?
Armour Middle School - 03 is part of Armour School District 21-1.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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