Enrollment
66
South Dakota · 2024-25 NCES data
Middle school (grades 6-8) · Onida, SD
Sully Buttes Middle School - 06
Federal NCES profile for Sully Buttes Middle School - 06, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 54/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 460004200939
👥 S:T ratio 56
🌟 Gifted program 30
🎓 Counselors 47
📋 Attendance 81
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Sully Buttes Middle School - 06 earns 54/100 on the Resource Investment Index, with class sizes smaller than 71% of South Dakota schools.
- #2 of 3
- public schools in Onida · Resource Index
- 54
- Resource Index · Higher
- 11:1
- small classes for South Dakota
- 16.7%
- free-lunch eligible
Sully Buttes Middle School - 06 has class sizes smaller than 71% of South Dakota schools. Computed live against every South Dakota school reporting to NCES.
By Resource Investment Index, Sully Buttes Middle School - 06 ranks #2 of 3 public schools in Onida, SD.
School address
District: Agar-Blunt-Onida School District 58-3 · South Dakota
NCES ID 460004200939 Verify on NCES CCD record →
Teachers (FTE)
6.0
Federal CCD staff survey
Students per teacher
11:1
vs 13.6:1 South Dakota avg
-19% vs state
Free-lunch eligible
16.7%
vs 28.8% South Dakota avg
-42% vs state
Student-teacher ratio in context
How Sully Buttes Middle School - 06 compares with South Dakota and U.S. medians
What stands out at Sully Buttes Middle School - 06
Sully Buttes Middle School - 06 is a lower-poverty, mid-sized middle school in Onida, South Dakota, enrolling 66 students.
Class sizes run a bit leaner than typical: 11:1 puts it in the smaller third of South Dakota schools by student-teacher ratio.
Its free-meal eligibility rate of 16.7% lands close to the South Dakota typical range, neither a high- nor low-need campus by this measure.
With 66 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 118 statewide peers matched on enrollment and economic need, it ranks mid-pack at #50.
Its student body is predominantly White (82% of enrollment) (diversity index 32/100).
Counselor coverage runs a bit thin, about 264 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Attendance holds up well here: only 7.6% of students were chronically absent, below the typical post-pandemic national figure.
The surrounding Agar-Blunt-Onida School District 58-3 spends $19,278 per pupil, 43% above the South Dakota average, a better-resourced district than most.
Agar-Blunt-Onida School District 58-3 also operates Onida Elementary - 04 (79 students) and Sully Buttes High School - 07 (71 students) alongside Sully Buttes Middle School - 06.
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 Sully Buttes Middle School - 06 compares
Sully Buttes Middle School - 06 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 | 11:1 | ▼ 19% | 13.6:1 | 15.7:1 |
| Free-lunch eligible | 16.7% | ▼ 42% | 28.8% | 51.7% |
| Enrollment | 66 | top 63% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11:1
Leaner classes than 83% of US schools, among the more generously staffed nationally.
66
Bigger than 7% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
16.7%
free-lunch eligible
- 42% 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
11:1
students per teacher
- 19% below state mean
Top 29% in South Dakota - lower ratio than 71% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
7.6%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$19,278
per pupil, district-wide
- above South Dakota avg of $13,477
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors0.3 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 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 81.8%
Two or More 7.6%
American Indian / Alaska Native 6.1%
Hispanic or Latino 3.0%
African American 1.5%
Largest group: White at 81.8% of enrollment.
Student-body diversity index 32.0/100
Simpson diversity index - at 32.0, Sully Buttes Middle School - 06 is more mixed than the South Dakota school average of 27.6.
Programs
Funding & spending
District-wide per-pupil expenditure for Agar-Blunt-Onida School District 58-3, which includes Sully Buttes Middle School - 06.
$19,278
Per student
+43%
vs South Dakota
Avg $13,477
+16%
vs U.S.
Avg $16,593
Revenue mix
Local 88.8%
State 3.0%
Federal 8.2%
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 Sully Buttes Middle School - 06 Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Onida Elementary - 04 | Similar size | Lower economic need | Lower S:T ratio |
| Sully Buttes High School - 07 | Similar size | Similar economic need | Similar S:T ratio |
| Blunt Elementary - 03 | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to Sully Buttes Middle School - 06's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 79
- Students per teacher
- 8.8:1
- Resource Index
- 61/100
- Enrollment
- 71
- Students per teacher
- 10.1:1
- Resource Index
- 49/100
- Enrollment
- 33
- Students per teacher
- 8.3:1
- Resource Index
- 51/100
Similar middle 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 (~66 students)
Next steps
Verify locally before acting on Sully Buttes Middle School - 06's federal record.
- Compare Sully Buttes Middle School - 06 against another school. Compare schools
- Agar-Blunt-Onida School District 58-3'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 Sully Buttes Middle School - 06
How many students attend Sully Buttes Middle School - 06?
Sully Buttes Middle School - 06 has 66 students enrolled. It is a middle school in Onida, SD.
What is the student-teacher ratio at Sully Buttes Middle School - 06?
The student-teacher ratio at Sully Buttes Middle School - 06 is 11:1, which is 19% lower than the South Dakota average of 13.6:1 and 30% 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 Sully Buttes Middle School - 06?
16.7% of students at Sully Buttes Middle School - 06 are eligible for free lunch, compared to the South Dakota average of 28.8%.
What is the racial and ethnic makeup of Sully Buttes Middle School - 06?
The largest demographic group at Sully Buttes Middle School - 06 is White at 81.8% of enrollment, in Onida, SD.
What is the Resource Investment Index for Sully Buttes Middle School - 06?
Sully Buttes Middle School - 06 has a Resource Investment Index of 54/100 (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 Sully Buttes Middle School - 06 rank among public schools in Onida?
By Resource Investment Index, Sully Buttes Middle School - 06 ranks #2 of 3 public schools in Onida, 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 Onida on the city page.
Is Sully Buttes Middle School - 06 a good school?
Sully Buttes Middle School - 06 earns 54/100 on the Resource Investment Index, with class sizes smaller than 71% of South Dakota schools. 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 Agar-Blunt-Onida School District 58-3?
Besides Sully Buttes Middle School - 06, Agar-Blunt-Onida School District 58-3 also operates Onida Elementary - 04 (79 students), Sully Buttes High School - 07 (71 students), and Blunt Elementary - 03 (33 students). See the Agar-Blunt-Onida School District 58-3 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.