Enrollment
119
South Dakota · 2024-25 NCES data
Other / mixed grade configuration · Armour, SD
Armour Elementary - 02
Federal NCES profile for Armour Elementary - 02, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 56/100.
2024-25 NCES dataOther / mixed grade configurationNCES 460378000023
👥 S:T ratio 47
🌟 Gifted program 30
🎓 Counselors 76
📋 Attendance 71
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Armour Elementary - 02 earns 56/100 on the Resource Investment Index, with class sizes near the South Dakota median.
- #3 of 3
- public schools in Armour · Resource Index
- 56
- Resource Index · Higher
- 13.2:1
- students per teacher
- 12.2%
- free-lunch eligible
Armour Elementary - 02 has class sizes near the South Dakota median. Computed live against every South Dakota school reporting to NCES.
By Resource Investment Index, Armour Elementary - 02 ranks #3 of 3 public schools in Armour, SD.
School address
District: Armour School District 21-1 · South Dakota
NCES ID 460378000023 Verify on NCES CCD record →
Teachers (FTE)
9.0
Federal CCD staff survey
Students per teacher
13.2:1
vs 13.6:1 South Dakota avg
-3% vs state
Free-lunch eligible
12.2%
vs 28.8% South Dakota avg
-58% vs state
Student-teacher ratio in context
How Armour Elementary - 02 compares with South Dakota and U.S. medians
What stands out at Armour Elementary - 02
Armour Elementary - 02 is a lower-poverty, mid-sized combined-grade school in Armour, South Dakota, enrolling 119 students.
At 13.2:1, its student-teacher ratio sits close to the South Dakota median, within a few percentage points of the 13.6:1 state norm, neither notably crowded nor notably small.
Economic need runs somewhat below the state's typical profile, with 12.2% of students eligible for free meals.
With 119 students, its enrollment sits close to the South Dakota median campus size.
Its Resource Investment Index lands in the upper third of 691 scored South Dakota schools.
Against 152 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #35.
Its student body is predominantly White (87% of enrollment) (diversity index 24/100).
Counselor coverage is strong, about 119 students per counselor, inside the American School Counselor Association's recommended 250:1.
11.8% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Armour School District 21-1 also operates Armour High School - 01 (57 students) and Armour Middle School - 03 (50 students) alongside Armour Elementary - 02.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Armour Elementary - 02 compares
Armour Elementary - 02 on the metrics families compare, against South Dakota and U.S. means.
| Metric | This school | vs South Dakota | South Dakota avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.2:1 | ▼ 3% | 13.6:1 | 15.7:1 |
| Free-lunch eligible | 12.2% | ▼ 58% | 28.8% | 51.7% |
| Enrollment | 119 | top 43% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.2:1
Leaner classes than 65% of US schools, a middle-of-the-pack class size.
119
Bigger than 12% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
12.2%
free-lunch eligible
- 58% below the South Dakota average of 28.8%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
13.2:1
students per teacher
- 3% below state mean
Top 48% in South Dakota - lower ratio than 52% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
11.8%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$13,344
per pupil, district-wide
- below South Dakota avg of $13,477
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 119 students, the combined health-and-guidance staffing load for this school.
Discipline context
8
in-school suspensions + 2 out-of-school
Suspension rate: 6.7 per 100 students. Combined in-school and out-of-school rate: 8.4 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 86.6%
Hispanic or Latino 8.4%
Two or More 4.2%
African American 0.8%
Largest group: White at 86.6% of enrollment.
Student-body diversity index 24.1/100
Simpson diversity index - at 24.1, Armour Elementary - 02 is less mixed than the South Dakota school average of 27.6.
Programs
Funding & spending
District-wide per-pupil expenditure for Armour School District 21-1, which includes Armour Elementary - 02.
$13,344
Per student
-1%
vs South Dakota
Avg $13,477
-20%
vs U.S.
Avg $16,593
Revenue mix
Local 54.5%
State 30.6%
Federal 14.8%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Armour Elementary - 02 Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Armour High School - 01 | Smaller | Similar economic need | Lower S:T ratio |
| Armour Middle School - 03 | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to Armour Elementary - 02's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 57
- Students per teacher
- 8.1:1
- Resource Index
- 62/100
- Enrollment
- 50
- Students per teacher
- 10:1
- Resource Index
- 63/100
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of South Dakota, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~119 students)
Next steps
Verify locally before acting on Armour Elementary - 02's federal record.
- Compare Armour Elementary - 02 against another school. Compare schools
- Armour School District 21-1's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Armour Elementary - 02
How many students attend Armour Elementary - 02?
Armour Elementary - 02 has 119 students enrolled. It is a public school in Armour, SD.
What is the student-teacher ratio at Armour Elementary - 02?
The student-teacher ratio at Armour Elementary - 02 is 13.2:1, which is 3% lower than the South Dakota average of 13.6:1 and 16% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Armour Elementary - 02?
12.2% of students at Armour Elementary - 02 are eligible for free lunch, compared to the South Dakota average of 28.8%.
What is the racial and ethnic makeup of Armour Elementary - 02?
The largest demographic group at Armour Elementary - 02 is White at 86.6% of enrollment, in Armour, SD.
What is the Resource Investment Index for Armour Elementary - 02?
Armour Elementary - 02 has a Resource Investment Index of 56/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Armour Elementary - 02 rank among public schools in Armour?
By Resource Investment Index, Armour Elementary - 02 ranks #3 of 3 public schools in Armour, SD. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Armour on the city page.
Is Armour Elementary - 02 a good school?
Armour Elementary - 02 earns 56/100 on the Resource Investment Index, with class sizes near the South Dakota median. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Armour School District 21-1?
Besides Armour Elementary - 02, Armour School District 21-1 also operates Armour High School - 01 (57 students) and Armour Middle School - 03 (50 students). See the Armour School District 21-1 district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.