Total enrollment
1,072
+16 (+2%) vs SY 2017-18
Grant County
South Dakota · Public K-12
On the public-school side, Grant County (South Dakota) totals 7 K-12 campuses and roughly 1,072 students. Median household income is around $75,028. The level mix is 4 elementary, 2 middle, and 1 high schools.
7-year change in Grant County
SY 2017-18 vs SY 2024-25School count
7
+2 (+40%) vs SY 2017-18
% White
80%
was 90%
% Hispanic
14%
was 7%
% Black
1%
was 1%
% Asian
0%
was 0%
Source: NCES Common Core of Data, enrollment-weighted demographic averages
Schools
7
3 districts
Enrollment
1,072
NCES CCD
Median income
$75,028
Above South Dakota avg
Free/reduced lunch
34.4%
Below South Dakota avg
Elementary
4
498 students
Middle
2
241 students
High
1
333 students
Combined / other
0
schools
LARGEST DISTRICT
Milbank School District 25-4
973 students · 3 districts in Grant County
County vs. school enrollment demographics
Left bar is the racial makeup of Grant County residents (Census ACS 5-year). Right bar is the enrollment-weighted makeup of public schools in the county (NCES CCD). NCES systematically under-reports Hispanic, Pacific Islander, and Native American enrollment for many schools; where the resident share is meaningful but the reported school share is zero, we mark the school bar "not reported".
County residents
School enrollment
Bachelor's+
25.3%
adults 25+
Poverty rate
8.3%
ACS 5-year
Unemployment
2.7%
civilian labor
Median age
45
22.2% under 18
Test scores in Grant County
Latest 2024-25 ELA proficiency, 2 schools ranked. South Dakota state average: 50.4%.
Top 2 schools (ELA)
- Milbank Middle School - 02· 64.2%
- Milbank Elementary - 03· 64.1%
| Name | City | Level | Grades | Enrollment | Rating |
|---|---|---|---|---|---|
| Milbank Elementary - 03 | Milbank | Elementary | PK-05 | 408 | · |
| Milbank High School - 01 | Milbank | High | 09-12 | 333 | · |
| Milbank Middle School - 02 | Milbank | Middle | 06-08 | 222 | · |
| Big Stone City Elementary - 01 | Big Stone City | Elementary | PK-05 | 60 | · |
| Sunrise Colony - 15 | Summit | Elementary | KG-08 | 20 | · |
| Big Stone City Middle School - 03 | Big Stone City | Middle | 06-08 | 19 | · |
| Blue Sky Colony - 04 | Milbank | Elementary | KG-08 | 10 | · |
Cities in Grant County
About Grant County
In South Dakota, Grant County is a rural-scale county of about 7,563 residents. 7 public schools across the county instructs about 1,072 students between them.
Looking at the broader picture, census numbers show the median household earns about $75,028 a year, 25% of adults hold a bachelor's degree or higher, and roughly 8% of residents live below the federal poverty line. That income level is 7% above the South Dakota median.
For a sense of the school types, Grant County is made up of 4 elementary schools (498 students), 2 middle schools (241), and 1 high school (333).
The largest single district in Grant County is Milbank School District 25-4, which alone enrolls about 973 students.
Looking at the last 7 years. Combined enrollment now sits at 1,072 students, remained close to its prior level from the 1,056 reported in SY 2017-18. Grant County now counts 7 public schools, up from 5 in SY 2017-18. Demographically, the White share of enrollment decreased from 90% to 80%.
On this page, the community for Grant County discusses open enrollment windows, redistricting talk, and busing logistics. Posts come from current and former families, staff, and alumni.
Frequently asked questions
DATA · Census ACS 5-year · NCES Common Core of Data