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Sully Buttes Middle School - 06

Public Grades 6-8
15th
SchoolDigger Rank ?
of 151 South Dakota Middle Schools
Better than 90% of South Dakota middle schools
Summary

Located in Onida, SD, Sully Buttes Middle School - 06 serves 66 students in grades 6–8, and there are no other schools within 20 miles. Its most important strength is that 2025–2026 all-grade results were above both state and district levels in ELA and math: 63% were proficient in ELA and 61% in math.

Compared with the Agar-Blunt-Onida School District 58-3 and the state, math showed the biggest all-grade advantage: 61% proficient at the school versus 49% districtwide and 44% statewide, gaps of 12 and 17 points. ELA was 63%, compared with 53% districtwide and 49% statewide, gaps of 10 and 14 points. Eighth-grade science was also strong against the state at 65% versus 41%, but matched the district’s 65%. Within the school, sixth-grade math is the clearest weak spot: 44% proficient, compared with 65% in seventh grade and 70% in eighth grade. No nearby-school results were supplied, so surrounding-school comparisons are not available.

Results have improved since 2022–2023, though they are below the previous year’s highs: ELA rose 4 points to 63% and math rose 9 points to 61% by 2025–2026, while both subjects fell from their 2024–2025 peaks. SchoolDigger ranks the school 15th of 151 statewide, at the 90th percentile with 5 stars, in 2025–2026. Its student-teacher ratio was 9 in 2024–2025, and 29% of students were free/reduced lunch eligible that year. SchoolDigger’s 2024–2025 measure of how well the school serves Hispanic students placed it at the 64th percentile, compared with the school’s overall 92nd percentile; its measure for Low Socio Economic Status Students was at the 71st percentile.

66
Students ?
9.0
Student/teacher ratio ?
$18,943
Per pupil spending ?
28.8%
Free/reduced lunch eligible (2024-25) ?
 500 8th St
       Onida, SD  57564

(605) 258-2618

District: Agar-Blunt-Onida School District 58-3


Students who attend Sully Buttes Middle School - 06 usually attend:

High:    Sully Buttes High School - 07
Racial breakdown:

White:
81.8%
Two or more races:
7.6%
American Indian:
6.1%
more
 See top rated South Dakota middle schools

 Compare Sully Buttes Middle School - 06 to nearby middle schools!
At a glance
▬ Ranking trend: Holding steady — 93rd percentile in 2016 → 90th in 2026
Strengths
✓Test scores above the South Dakota average (63% vs 46% meeting standards)
✓Ranks in the top 10% of South Dakota middle schools
✓Small classes — about 9 students per teacher
Worth a look
!Some student groups rank well below the school's overall statewide standing
Students meeting standards (2025-2026) ?
This school63%
District avg52%
South Dakota avg46%
15th of 151
South Dakota public middle schools ?
Top 10%▼ down 3 pts since 2016
From top 7% (2016) to top 10% (2026)
See the entire ranking list of South Dakota Middle Schools →
★★★★★
SchoolDigger rating ?
68th of 126Agar-Blunt-Onida School District 58-3 among South Dakota districts
Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)
Show full rank history (all student groups)

All Students

YearAvg scoreStatewide rankSouth Dakota percentileRating
202681.015 of 15190.1%★★★★★
202581.219 of 24692.3%★★★★★
202464.341 of 14772.1%★★★★☆
202377.118 of 15088.0%★★★★☆
202271.830 of 14379.0%★★★★☆
202150.770 of 14551.7%★★★☆☆
201927.3118 of 14920.8%★☆☆☆☆
201825.3125 of 14715.0%★☆☆☆☆
201754.070 of 14652.1%★★★☆☆
201683.010 of 14793.2%★★★★★
201588.97 of 14595.2%★★★★★
201386.11 of 14599.3%★★★★★
201272.021 of 14685.6%★★★★☆
201180.18 of 14094.3%★★★★★
201073.022 of 13984.2%★★★★☆
200971.328 of 13979.9%★★★★☆
200891.92 of 13698.5%★★★★★
200773.619 of 13686.0%★★★★☆
200669.530 of 14178.7%★★★★☆
200583.26 of 13695.6%★★★★★
200473.917 of 13487.3%★★★★☆
200351.076 of 13342.9%★★☆☆☆

Female

YearAvg scoreStatewide rankSouth Dakota percentileRating
202680.212 of 11589.6%★★★★★
202566.553 of 22976.9%★★★★☆
201942.168 of 10736.4%★★☆☆☆

Hispanic

YearAvg scoreStatewide rankSouth Dakota percentileRating
202551.642 of 11764.1%★★★☆☆

Low Socio Economic Status

YearAvg scoreStatewide rankSouth Dakota percentileRating
202559.454 of 18771.1%★★★★☆

Male

YearAvg scoreStatewide rankSouth Dakota percentileRating
202585.97 of 23397.0%★★★★★
202382.610 of 11691.4%★★★★★
202266.828 of 10473.1%★★★★☆
202137.977 of 11533.0%★★☆☆☆
20199.0104 of 1105.5%☆☆☆☆☆
201848.057 of 11148.6%★★☆☆☆

Multi-racial

YearAvg scoreStatewide rankSouth Dakota percentileRating
202558.131 of 11573.0%★★★★☆

Native American

YearAvg scoreStatewide rankSouth Dakota percentileRating
202587.03 of 11197.3%★★★★★

Special Education

YearAvg scoreStatewide rankSouth Dakota percentileRating
202559.941 of 18177.3%★★★★☆

White

YearAvg scoreStatewide rankSouth Dakota percentileRating
202683.08 of 13394.0%★★★★★
202580.415 of 23093.5%★★★★★
202457.356 of 13257.6%★★★☆☆
202369.527 of 13680.1%★★★★☆
202266.338 of 13271.2%★★★★☆
202153.061 of 13655.1%★★★☆☆
201924.2113 of 13616.9%★☆☆☆☆
201819.4121 of 1317.6%☆☆☆☆☆
How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)
Native American (2025)97th percentile+5 vs school
Male (2025)97th percentile+5 vs school
White (2026)94th percentile+4 vs school
Female (2026)90th percentile~ school
Special Education (2025)77th percentile-15 vs school
Multi-racial (2025)73rd percentile-19 vs school
Low Socio Economic Status (2025)71st percentile-21 vs school
Hispanic (2025)64th percentile-28 vs school
By subject vs South Dakota (2025-2026) ?
Science65%+24 vs state
English Language Arts63%+14 vs state
Mathematics61%+17 vs state

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Frequently Asked Questions about Sully Buttes Middle School - 06

Students at Sully Buttes Middle School - 06 are 82% White, 8% Two or more races, 6% American Indian, 3% Hispanic, 2% African American.

Students who attend Sully Buttes Middle School - 06 usually go on to attend Sully Buttes High School - 07

Yes. Sully Buttes Middle School - 06 ranks in the top 9.9% of South Dakota middle schools.

In the 2024-25 school year, 66 students attended Sully Buttes Middle School - 06.

Rate Sully Buttes Middle School - 06!



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Latest South Dakota data All new data »
2025–26 attendance data, dropout rates & graduation ratesNewNov 6, 2026
2025–26 SD ACT & Smarter Balanced Assessments scoresNewNov 6, 2026
2024–25 attendance data & graduation rates (updated)NewNov 1, 2026
2025–26 immunization ratesOct 24, 2026


SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the South Dakota Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.

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