Armour Middle School - 03
School pathway
Test scores
SD Smarter Balanced 2024-25 . % ProficientWhat 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.
BeatsExpectations
Demographically-adjusted score · methodologyWhat 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%.
7-year change
SY 2017-18 vs SY 2024-25About 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
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Related schools
- Armour Elementary - 02Elementary · 119 students
- Armour High School - 01High · 57 students
- Armour Elementary - 02Elementary · 119 students
- Armour High School - 01High · 57 students
- Armour Elementary - 020.0 mi · 119
- Armour High School - 010.0 mi · 57
- Corsica-Stickney Jr. High - 037.6 mi · 52
- Corsica-Stickney High School - 017.6 mi · 72
- Lakeview Colony Elementary - 059.0 mi · 23
- Greenwood Colony Elementary - 0512.5 mi · 3