Grant County
Public education in Grant County reaches 6,838 students across 32 schools. Platteville School District is the largest district at 1,544 students. The level mix is 11 elementary, 9 middle, and 12 high schools.
7-year change in Grant County
SY 2017-18 vs SY 2024-25County 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".
Test scores in Grant County
Latest 2024-25 ELA proficiency, 19 schools ranked. Wisconsin state average: 53.1%.
- Fennimore Elementary· 68.9%
- Potosi Elementary· 68.7%
- Winskill Elementary· 67.7%
- Westview Elementary· 67.2%
- Platteville Middle· 65.5%
- Potosi Middle· 43.8%
- Southwestern Wisconsin Community Middle· 45.1%
- Cuba City Elementary· 49.5%
- Riverdale Junior High· 50.6%
- Southwestern Wisconsin Elementary· 53.1%
| Name | City | Level | Grades | Enrollment | Rating |
|---|---|---|---|---|---|
| Platteville High | Platteville | High | 09-12 | 479 | · |
| Westview Elementary | Platteville | Elementary | 01-04 | 443 | · |
| Winskill Elementary | Lancaster | Elementary | PK-05 | 435 | · |
| Platteville Middle | Platteville | Middle | 05-08 | 417 | · |
| Fennimore Elementary | Fennimore | Elementary | PK-05 | 380 | · |
| Riverdale Elementary | Muscoda | Elementary | PK-06 | 337 | · |
| Lancaster High | Lancaster | High | 09-12 | 325 | · |
| Boscobel Elementary | Boscobel | Elementary | PK-05 | 311 | · |
| Cuba City Elementary | Cuba City | Elementary | PK-05 | 288 | · |
| Southwestern Wisconsin Elementary | Hazel Green | Elementary | PK-05 | 281 | · |
| Cuba City High | Cuba City | High | 09-12 | 262 | · |
| Fennimore High | Fennimore | High | 09-12 | 255 | · |
| Lancaster Middle | Lancaster | Middle | 06-08 | 231 | · |
| Neal Wilkins Early Learning Center | Platteville | Elementary | PK-KG | 205 | · |
| Riverdale High | Muscoda | High | 09-12 | 192 | · |
| River Ridge Elementary | Patch Grove | Elementary | PK-04 | 190 | · |
| Fennimore Middle | Fennimore | Middle | 06-08 | 186 | · |
| Boscobel High | Boscobel | High | 09-12 | 182 | · |
| River Ridge High | Patch Grove | High | 09-12 | 167 | · |
| Potosi Elementary | Potosi | Elementary | PK-05 | 166 | · |
| Boscobel Junior High | Boscobel | Middle | 06-08 | 158 | · |
| Southwestern Wisconsin High | Hazel Green | High | 09-12 | 151 | · |
| Cuba City Middle | Cuba City | Middle | 06-08 | 129 | · |
| River Ridge Middle | Patch Grove | Middle | 05-08 | 124 | · |
| Potosi High | Potosi | High | 09-12 | 107 | · |
| Southwestern Wisconsin Community Middle | Hazel Green | Middle | 06-08 | 96 | · |
| Cassville Elementary | Cassville | Elementary | PK-06 | 92 | · |
| Riverdale Junior High | Muscoda | Middle | 07-08 | 88 | · |
| Cassville High | Cassville | High | 07-12 | 79 | · |
| Potosi Middle | Potosi | Middle | 06-08 | 66 | · |
| Riverdale Academy | Muscoda | High | 06-12 | 14 | · |
| DOC: Wisconsin Secure Program Facility | Boscobel | High | 12-12 | 2 | · |
Cities in Grant County
About Grant County
Grant County is a low-population Wisconsin county of about 51,770 residents, home to 32 public schools and roughly 6,838 students.
Zooming out, census numbers show median household income runs near $66,858, roughly 26% of adults have completed at least a four-year degree, and the federal-poverty share is near 7%. That income level is 9% noticeably below the Wisconsin median.
On the school-mix side, Grant County is built around 11 elementary schools (3,128 students), 9 middle schools (1,495), and 12 high schools (2,215).
Platteville School District dominates the local landscape, accounting for roughly 1,544 students on its own.
Trend over the past 7 years. Across the same 7-year window, public-school enrollment shrank 3%: 7,069 students in SY 2017-18 versus 6,838 in SY 2024-25. Over that span, Grant County gained 3 schools, going from 29 to 32. Demographically, the White share of enrollment declined from 93% to 89%.
In the discussion threads here, the community for Grant County discusses comparison threads between local schools and program reviews. Parents, students, and educators in the area can post or comment.