| District | City | Rating | Students | Schools | Grades | Zip Codes |
|---|---|---|---|---|---|---|
| Platteville School District | Platteville | 9/10 Excellent · 83rd pct | 1,576 | 4 | PK–12 | 1 |
| Fennimore Community School District | Fennimore | 9/10 Excellent · 82nd pct | 810 | 3 | PK–12 | 2 |
| Lancaster Community School District | Beetown | 9/10 Excellent · 81st pct | 991 | 3 | PK–12 | 2 |
| River Ridge School District | Bagley | 8/10 Good · 76th pct | 524 | 3 | PK–12 | 5 |
| Cuba City School District | Cuba City | 7/10 Good · 62nd pct | 677 | 3 | PK–12 | 2 |
| Cassville School District | Cassville | 7/10 Good · 60th pct | 172 | 2 | PK–12 | 1 |
| Potosi School District | Potosi | 6/10 Average · 58th pct | 314 | 3 | PK–12 | 1 |
| Riverdale School District | Blue River | 6/10 Average · 55th pct | 653 | 4 | PK–12 | 2 |
| Iowa-Grant School District | Livingston | 6/10 Average · 54th pct | 676 | 2 | PK–12 | 2 |
| Boscobel Area School District | Boscobel | 6/10 Average · 53rd pct | 703 | 3 | PK–12 | 2 |
| Southwestern Wisconsin School District | Hazel Green | 5/10 Average · 43rd pct | 529 | 3 | PK–12 | 2 |
How Grant County compares
Together they enroll 7,625 students across 33 schools. The largest is Platteville School District with 1,576 students. Districts here average 7.1/10, above the Wisconsin average of 5.6/10. Ratings range from 5/10 to 9/10.
School Districts in Grant County, Wisconsin
Grant County has 11 public school districts covering 22 zip codes. The top-rated district in Grant County is Platteville School District (9/10). Ratings are based on the share of students proficient in reading and math on state assessments (Forward Exam 2024–25), ranked against all districts in Wisconsin. 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, WI?
11 school districts serve zip codes in Grant County, WI. 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, WI?
Of the districts serving Grant County, Platteville School District has the highest rating on this site at 9/10. That places it in the 83rd percentile among Wisconsin school districts.
How are these school district ratings calculated?
Each rating is the share of students scoring proficient or above on Wisconsin reading and math assessments, ranked against other districts in Wisconsin and converted to a 1–10 scale. Percentiles compare districts within Wisconsin only, never across state lines.