Top Rankings
Agar-Blunt-Onida School District 58-3 ranks among the top 20% of public school district in South Dakota for:
Category
Attribute
Overall Rank
Highest overall rank (Top 20%)
Math Proficiency
Highest math proficiency (Top 20%)
Reading/Language Arts Proficiency
Highest reading/language arts proficiency (Top 20%)
Student Attention
Lowest student-teacher ratio (Top 1%)
For the 2025-26 school year, there is 1 public middle school serving 58 students in Agar-Blunt-Onida School District 58-3. This district's average middle testing ranking is 9/10, which is in the top 20% of public middle schools in South Dakota.
Public Middle School in Agar-Blunt-Onida School District 58-3 have an average math proficiency score of 55% (versus the South Dakota public middle school average of 39%), and reading proficiency score of 55% (versus the 49% statewide average).
Minority enrollment is 16% of the student body (majority American Indian), which is less than the South Dakota public middle school average of 42% (majority American Indian).
Overview
This School District
This State (SD)
# Schools
4 Schools
295 Schools
# Students
229 Students
40,126 Students
# Teachers
26 Teachers
2,993 Teachers
Student-Teacher Ratio
9:1
9:1
Student By Grade
District Rank
Agar-Blunt-Onida School District 58-3, which is ranked within the top 20% of all 146 school districts in South Dakota (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 50% has decreased from 80% over five school years.
Overall District Rank
#22 out of 148 school districts
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
55%
42%
Reading/Language Arts Test Scores (% Proficient)
60-64%
51%
Science Test Scores (% Proficient)
45-49%
42%
Graduation Rate
(21-22)≥50%
82%
Students by Ethnicity:
Diversity Score
0.30
0.59
% American Indian
6%
26%
% Asian
1%
1%
% Hispanic
4%
7%
% Black
1%
3%
% White
83%
58%
% Hawaiian
n/a
n/a
% Two or more races
5%
5%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $24,441 is higher than the state median of $13,146. The school district revenue/student has grown by 17% over four school years.
The school district's spending/student of $22,965 is higher than the state median of $12,647. The school district spending/student has grown by 17% over four school years.
Total Revenue
$6 MM
$1,916 MM
Spending
$5 MM
$1,844 MM
Revenue / Student
$24,441
$13,146
Spending / Student
$22,965
$12,647
Best Agar-Blunt-Onida School District 58-3 Public Middle Schools (2025-26)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Sully Buttes Middle School - 06
(Math: 50-59% | Reading: 50-59%)
Rank:
Rank:
8/
Top 30%10
500 8th St
Onida, SD 57564
(605) 258-2618
Onida, SD 57564
(605) 258-2618
Gr: 6-8 | 58 students Student-teacher ratio: 10:1 Minority enrollment: 15%
Recent Articles

Texas Schools Enrollment Trends & Policy in 2025
Latest data and policy changes on Texas public school enrollment growth, funding, and virtual education in 2025.

Financial Aid & Hidden Costs in Public Schools
Learn about financial aid and hidden costs in public schools. Discover what parents should budget for beyond tuition-free education.

NYC Schools Still Most Segregated in 2025
Despite reforms, New York City schools remain the most segregated in the U.S. in 2025. Here鈥檚 what parents and educators need to know.