Sully County Schools & Education
Sully County, South Dakota
NCES 2022-23 public school data and FY 2022 school-finance dataSchool Score
70/100
Percentile-style score
Score Band
Higher Signal
Graduation Rate
90.0%
National avg 87.5%
Education Statistics
Graduation Rate
90.0%
National avg 87.5%
State avg 82.4%
Per-Pupil Spending
$10,373
National avg $13,239
State avg $7,409
School Score
70/100
Percentile-style score
State avg 38/100
State Score Position
#2
of 65 counties by score
Education Data Brief: Sully County
Measured School Summary
Sully County has a higher measured school signal with a school score of 70/100 and a graduation rate of 90.0%, based on available NCES graduation-rate and school-score inputs.
Funding Context
Sully County spends $10,373 per student, which is on the lower end of adequate and may require careful resource allocation to maintain quality.
Neighbor Context
Its school score is 84% above the South Dakota average, and its graduation rate exceeds the state average by 7.6 percentage points, while per-pupil spending is 40% higher than the state norm.
School Data Brief
How to read Sully County before comparing districts
County-level education data is best used as a screening layer. It summarizes the local school environment, then points you toward the district and school records that matter for local review.
Local context that changes the interpretation
3 public schools and 1 district are represented below. Use those school and district records to confirm whether the county-level context fits the neighborhoods you are actually considering.
Overall screen
70/100
Higher measured signal. Ranks #2 of 65 South Dakota counties with school score data.
Completion
90.0%
7.6 pts above the state average
Funding context
$10,373
$2,964 above the state average
School coverage
3
1 district represented in the county school list.
Start with measured county context
This county screens well on the combined school metrics available here. Compare the score, graduation rate, and spending together rather than treating any single metric as final.
Check the local school mix
Sully County has 3 public schools across 1 district, so school-level fit can vary inside the county.
Verify local rules
Use this page as county-level context, then confirm attendance zones, transportation, special programs, and current school boundaries with local districts.
What Sully County school data means before you move
County averages are useful for screening, but parents choose addresses, grade pathways, and district rules. This brief turns the public data into the checks that matter before you sign a lease or mortgage.
Small-system county
Sully County has a compact public-school footprint. A single school change, boundary rule, or district update can move the lived experience more than the county score suggests.
State position
#2
of 65 South Dakota counties with school score data. The county score is 32 points above the state average.
Data confidence
Usable
3 of 5 county signals are present, and 100% of listed schools report enrollment. Compare schools, then verify missing fields locally.
K-12 continuity check
These are the largest visible district slices in the county data. They show whether elementary, middle, and high school records appear together or whether a family needs to investigate transition points.
Agar-Blunt-Onida School District 58-3
Elementary to high school visible
198 students
3 listed schools in this county slice.
District reality check
Agar-Blunt-Onida School District 58-3 is the largest listed district slice, with 4 schools. County pages do not prove address assignment, so verify boundaries with local district tools.
What the data cannot tell you
NCES records do not confirm current attendance zones, private-school options, transfer approvals, program capacity, transportation, or whether a listed school is available to a specific address.
Questions to ask before choosing an address
Which district actually serves the addresses we are considering in Sully County?
Which attendance zones, transfer rules, and transportation policies apply inside the local district?
What changes at the elementary-to-middle and middle-to-high transitions in the district pathway we would likely use?
If we need a program not visible in the NCES flags, which district office can confirm current offerings?
Are the largest listed schools the ones our address can actually attend, or are they only county-level context?
Education Overview
About Schools in Sully County, South Dakota
This context is screened for neutral school-data wording and should be read alongside the current metrics on this page. It is not school advice.
Compact and Unified Rural Education
Sully County maintains a small but complete educational ecosystem with three public schools serving 198 students. The county features one elementary, one middle, and one high school, all operating under a single school district. This structure provides a clear, consistent educational journey for every child in the community.
Focused Leadership in Agar-Blunt-Onida
The Agar-Blunt-Onida School District 58-3 is the sole provider of public education here, managing 231 total students across its network. There are no charter schools in the county, keeping the focus entirely on the traditional public school system. This singular district focus helps maintain strong community ties and academic accountability.
The Essence of the Rural Classroom
Every school in Sully County is classified as rural, creating a classic country-school atmosphere for all 198 students. The average school size is just 66 students, with Sully Buttes High School serving as the largest campus with 75 students. The Sully Buttes Middle School is the smallest with 54 students, ensuring very low student-to-teacher ratios.
School Overview
Total Schools
3
in Sully County
Reported Enrollment
198
3 schools reporting
School Districts
1
district
Charter Schools
0
0% of total
School Level Breakdown
1 School District in Sully County
Agar-Blunt-Onida School District 58-3
3 Public Schools in Sully County
Sorted by reported enrollment. Every NCES public school remains listed here; no school-level profile pages are included in the current generated coverage for this county.
NCES 2022-23 public school data and FY 2022 school-finance dataLevel
Showing 3 of 3 matching schools
| School Name | Profile | District | Location | Grades | Type / Flags | Reported Enrollment |
|---|---|---|---|---|---|---|
| Sully Buttes High School - 07 | Record | Agar-Blunt-Onida School District 58-3 | Onida, 57564Rural: Remote | 9–12 | High | 75 |
| Onida Elementary - 04 | Record | Agar-Blunt-Onida School District 58-3 | Onida, 57564Rural: Remote | KG–5 | Primary | 69 |
| Sully Buttes Middle School - 06 | Record | Agar-Blunt-Onida School District 58-3 | Onida, 57564Rural: Remote | 6–8 | Middle | 54 |
Sully Buttes High School - 07
Agar-Blunt-Onida School District 58-3
Onida, 57564 / Rural: Remote
Onida Elementary - 04
Agar-Blunt-Onida School District 58-3
Onida, 57564 / Rural: Remote
Sully Buttes Middle School - 06
Agar-Blunt-Onida School District 58-3
Onida, 57564 / Rural: Remote
Education Funding Detail
Annual Per-Pupil Expenditure
$10,373
State avg $7,409
Compare Nearby Counties
Review Sully County against other counties using the same NCES-backed metrics.
Open CompareBrowse Public Schools
See school-level enrollment, grade ranges, school type, and district affiliation.
View SchoolsFrequently Asked Questions
Which South Dakota counties have the highest graduation rates?
What is per-pupil spending like in South Dakota?
How should I read the school score in Sully County?
What is the graduation rate in Sully County?
How much does Sully County spend per student?
Frequently Asked Questions
Schools in Sully County, South Dakota — FAQ
What does the school system look like in Sully County, South Dakota?
Sully County maintains a small but complete educational ecosystem with three public schools serving 198 students. The county features one elementary, one middle, and one high school, all operating under a single school district. This structure provides a clear, consistent educational journey for every child in the community.
What are the major school districts in Sully County, South Dakota?
The Agar-Blunt-Onida School District 58-3 is the sole provider of public education here, managing 231 total students across its network. There are no charter schools in the county, keeping the focus entirely on the traditional public school system. This singular district focus helps maintain strong community ties and academic accountability.
What is the school experience like in Sully County?
Every school in Sully County is classified as rural, creating a classic country-school atmosphere for all 198 students. The average school size is just 66 students, with Sully Buttes High School serving as the largest campus with 75 students. The Sully Buttes Middle School is the smallest with 54 students, ensuring very low student-to-teacher ratios.
Counties with Similar School Profile
Data Sources
Education data sourced from the National Center for Education Statistics (NCES) Common Core of Data and School District Finance Survey. School scores are derived composite metrics based on available NCES graduation-rate and school-finance signals.
Data is informational only. Coverage varies by county and reporting year. Not for use as the sole basis for educational decisions.