County directory · Wisconsin · 2026–27
School districts in Grant County, WI
Grant County has 10 regular public school districts, enrolling 6,836 students in 2024–25. The largest is Platteville School District (1,544 students, 23% of the county), followed by Lancaster Community School District and Fennimore Community School District. All 10 offer kindergarten. Wisconsin's kindergarten cutoff: turn 5 by September 1.
The 10 districts, largest first
| District and office | Grades | Schools | Students | Kindergarten | District office contact |
|---|---|---|---|---|---|
| Platteville School District 780 N 2nd St, Platteville also serves Iowa County and Lafayette County | Pre-K–12 | 4 | 1,544 | 96 | (608) 342-4000 |
| Lancaster Community School District 231 N Sheridan St, Lancaster | Pre-K–12 | 3 | 991 | 65 | (608) 723-2175 |
| Fennimore Community School District 1397 9th St, Fennimore | Pre-K–12 | 3 | 821 | 50 | (608) 822-3243 |
| Cuba City School District 101 N School St, Cuba City also serves Lafayette County | Pre-K–12 | 3 | 679 | 36 | (608) 744-2847 |
| Boscobel Area School District 1510 Chestnut Street, Boscobel also serves Crawford County and Richland County | Pre-K–12 | 3 | 651 | 39 | (608) 375-4164 |
| Riverdale School District 747 N 6th St, Muscoda also serves Crawford County, Iowa County and Richland County | Pre-K–12 | 4 | 631 | 51 | (608) 739-3832 |
| Southwestern Wisconsin School District 1105 Maple Street, Hazel Green also serves Lafayette County | Pre-K–12 | 3 | 528 | 34 | (608) 854-2261 |
| River Ridge School District 11165 County Highway P, Patch Grove | Pre-K–12 | 3 | 481 | 40 | (608) 994-2715 |
| Potosi School District 128 Highway 61 N, Potosi | Pre-K–12 | 3 | 339 | 20 | (608) 763-2162 |
| Cassville School District 715 E Amelia St, Cassville | Pre-K–12 | 2 | 171 | 11 | (608) 725-5116 |
Grant County at a glance
Together the 10 districts run 31 schools from offices in 10 towns. The smallest by enrollment is Cassville School District, with 171 students; the median Grant County district has 631. By grade span: 10 Pre-K–12.
Kindergarten in 2024–25, counting the 10 districts that report a K grade: 442 children. The biggest kindergarten was Platteville School District's, with 96; Lancaster Community School District had 65, and the smallest, Cassville School District, had 11.
Grant County holds 10 of Wisconsin's 420 regular districts (2.4%) and 0.9% of its 793,595 public school students, ranking 7th of 72 counties by number of districts and 30th by enrollment. By size, 1 enroll 1,000 to 4,999 and 9 have fewer than 1,000 students, and the average school here has about 221 students.
5 districts reach past the county line: Platteville School District (into Iowa County and Lafayette County), Cuba City School District (into Lafayette County), Boscobel Area School District (into Crawford County and Richland County), Riverdale School District (into Crawford County, Iowa County and Richland County) and Southwestern Wisconsin School District (into Lafayette County).
Which district am I in?
Each district draws its own attendance zones, so your home address decides it, and with 5 of Grant County's districts crossing county lines the county alone won't. There is no address lookup here; ask the district. Each one's own site:
Platteville School District · Lancaster Community School District · Fennimore Community School District · Cuba City School District · Boscobel Area School District · Riverdale School District · Southwestern Wisconsin School District · River Ridge School District · Potosi School District · Cassville School District
What grade will my child be in?
More in Wisconsin
Every Wisconsin district by county · Wisconsin kindergarten cutoff
More Wisconsin county directories: Dane County (15) · Kenosha County (12) · Milwaukee County (18) · Racine County (12) · Walworth County (15) · Waukesha County (18)