| District | City | Rating | Students | Schools | Grades | Zip Codes |
|---|---|---|---|---|---|---|
| Milbank School District 25-4 | Big Stone City | 8/10 Good · 75th pct | 1,033 | 4 | PK–12 | 6 |
| Waverly School District 14-5 | Stockholm | 3/10 Below Average · 20th pct | 271 | 3 | PK–12 | 1 |
| Waubay School District 18-3 | Ortley | 2/10 Poor · 19th pct | 183 | 3 | PK–12 | 1 |
| Wilmot School District 54-7 | Marvin | 1/10 Poor · 6th pct | 222 | 3 | PK–12 | 1 |
How Grant County compares
Together they enroll 1,709 students across 13 schools. The largest is Milbank School District 25-4 with 1,033 students. Districts here average 3.5/10, below the South Dakota average of 5.6/10. Ratings range from 1/10 to 8/10.
School Districts in Grant County, South Dakota
Grant County has 4 public school districts covering 9 zip codes. The top-rated district in Grant County is Milbank School District 25-4 (8/10). Ratings are based on the share of students proficient in reading and math on state assessments (NCES EDFacts, 2021–22 for most districts), ranked against all districts in South Dakota. Directory details come from NCES CCD 2024–25.
Enter your zip code on any page to confirm your exact district assignment — district boundaries are address-specific and may not follow county or city lines.
Frequently Asked Questions
How many school districts are in Grant County, SD?
4 school districts serve zip codes in Grant County, SD. This page lists each one with its rating, enrollment, grade span and the zip codes it covers.
What is the best-rated school district in Grant County, SD?
Of the districts serving Grant County, Milbank School District 25-4 has the highest rating on this site at 8/10. That places it in the 75th percentile among South Dakota school districts.
How are these school district ratings calculated?
Each rating is the share of students scoring proficient or above on South Dakota reading and math assessments, ranked against other districts in South Dakota and converted to a 1–10 scale. Percentiles compare districts within South Dakota only, never across state lines.