Enrollment
50
Middle
DISTRICT 75 · STATE 187
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
C+
allk12 Grade
Scored higher than 41% of South Dakota public middle schools
- B-Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- CBeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded South Dakota public middle schools
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, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 6 | 9 | 18% |
| Grade 7 | 23 | 46% |
| Grade 8 | 18 | 36% |
Student demographics
35%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 27% · STATE 53% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Students here typically continue to
Armour Middle School - 03→Armour High School - 01
Feeds from
Based on grade levels within Armour School District 21-1. Attendance zones can vary; confirm enrollment with the district.
Test scores
SD Smarter Balanced 2024-25 . % ProficientEnglish 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.
SD Smarter Balanced results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 51.0% | 49.0% |
| 2023-24 | 52.8% | 45.3% |
| 2022-23 | 31.1% | 48.9% |
% Proficient, all students and all tested grades.
Source: SD Smarter Balanced. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
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 →
Schools most like Armour Middle School - 03
Armour Middle School - 03's state test result (46.7% proficient) is higher than 2 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Armour Middle School - 03 this school | 50 | 18.0% | 46.7% |
| New Underwood Middle School - 04 New Underwood | 75 | 18.7% | 41.0% |
| Howard Jr. High - 05 Howard | 75 | 17.3% | 54.8% |
| Clark Middle School - 03 Clark | 72 | 25.0% | 30.5% |
| De Smet Middle School - 03 De Smet | 91 | 25.3% | 49.1% |
| Northwestern Middle School - 02 Mellette | 56 | 16.1% | 61.1% |
Matched among South Dakota middle schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Armour Middle School - 03 ranks
Among middle schools| Measure | This school | In South Dakota |
|---|---|---|
| Enrollment ranked largest first | 50 | #117 of 165 |
Ranked against other public middle schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
50
+15 (+43%) vs 2020
-38% since 1990-91, when it was 81
Student : Teacher
9.4:1
was 7.0:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 50 | 5.3 | 9.4:1 | 18% (9) |
| 2023-24 | 54 | 5 | 10.8:1 | 39% (21) |
| 2022-23 | 49 | 5.1 | 9.7:1 | 41% (20) |
| 2020-21 | 35 | 5 | 7.0:1 | 40% (14) |
| 2017-18 | 42 | 5.1 | 8.3:1 | 26% (11) |
| 2015-16 | 41 | 5 | 8.2:1 | 32% (13) |
| 2010-11 | 52 | 6 | 8.7:1 | 42% (22) |
| 2000-01 | 79 | 7 | 11.3:1 | 30% (24) |
| 1990-91 | 81 | 5 | 16.2:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Armour Middle School - 03.
Since 2017-18: students up 19% (42 to 50); teachers up 5% (5.1 to 5.3).
About Armour Middle School - 03
Armour Middle School - 03 runs as a very small middle school in Armour, South Dakota. The school covers grades 6 through 8 and reported 50 students in 2024-25. The school is 73% below the average for middle schools in South Dakota.
Armour School District 21-1 enrolls 226 students in 3 schools, including Armour Middle School - 03.
Roughly 80% of students at Armour Middle School - 03 are White. The remaining students are 6% Hispanic, 6% Native American, 4% Black, and 4% multiracial. Among people living in Douglas County, the White share is about 92%. The diversity index for Armour Middle School - 03 is 35%. For US public schools as a whole it is 70%.
On staff are 5.3 full-time-equivalent teachers; the student-to-teacher ratio is 9.4:1. Statewide, middle schools in South Dakota average 13.4:1. Armour Middle School - 03 has a free or reduced-price lunch rate of 18%. The figure for public schools in Douglas County is close, at 16%.
Armour Middle School - 03 earns a C+ on the allk12 Grade, which blends test scores, results against poverty-based expectations, and the three-year trend. It scored higher than 41% of South Dakota public middle schools.
Based on student poverty, the model expects 55.6% at Armour Middle School - 03; the school's average proficiency rate across its state test results is 46.7%.
In the wider Douglas County area, median household income comes to about $86,442, roughly 25% of adults have a four-year degree or more, and about 6% of residents live below the federal poverty line. Douglas County's 6 public schools enroll about 353 students and include Armour Middle School - 03.
Armour Elementary - 02 is less than a tenth of a mile from Armour Middle School - 03, the shortest distance to any other public school. A five-mile radius around the school includes 2 other public schools. By average proficiency, Armour Middle School - 03 is 3rd among 5 schools close by.
Locale: Rural: Remote. In NCES terms, the school is in rural territory far from an urban area.
Reported enrollment: 35 (2020-21) and 50 (2024-25). These figures may describe different sets of grades. Staffing shifted too: the ratio moved from 7.0:1 to 9.4:1.
Armour Middle School - 03 has a community page on allk12 for topics such as pickup and drop-off, after-school programs, and teacher feedback. You can also rate the school on this page.
Douglas County at a glance
View full county profilePopulation
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
Related schools
Other schools in Armour School District 21-1
- Armour Elementary - 02Elementary · 119 students
- Armour High School - 01High · 57 students
Other schools in Armour
- Armour Elementary - 02Elementary · 119 students
- Armour High School - 01High · 57 students
Nearby schools
- Armour Elementary - 020.0 mi · 119
- Armour High School - 010.0 mi · 57
- Corsica-Stickney High School - 017.6 mi · 72
- Corsica-Stickney Jr. High - 037.6 mi · 52
- Lakeview Colony Elementary - 059.0 mi · 23
- Greenwood Colony Elementary - 0512.5 mi · 3
Frequently asked questions
About Armour Middle School - 03What 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.