For the 2025 school year, there are 13 public high schools serving 2,436 students in Grant County, WI.
The top ranked public high schools in Grant County, WI are Fennimore High School, Platteville High School and Lancaster High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Grant County, WI public high schools have an average math proficiency score of 30% (versus the Wisconsin public high school average of 29%), and reading proficiency score of 39% (versus the 37% statewide average). High schools in Grant County have an average ranking of 8/10, which is in the top 30% of Wisconsin public high schools.
Grant County, WI public high school have a Graduation Rate of 79%, which is less than the Wisconsin average of 89%.
The school with highest graduation rate is Cuba City High School, with ≥95% graduation rate. Read more about public school graduation rate statistics in Wisconsin or national school graduation rate statistics.
Minority enrollment is 11% of the student body (majority Hispanic), which is less than the Wisconsin public high school average of 33% (majority Hispanic and Black).
Best Public High Schools in Grant County (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Fennimore High School
(Math: 40-49% | Reading: 60-69%)
Rank:
Rank:
8/
Top 30%10
510 7th St
Fennimore, WI 53809
(608) 822-3245
Fennimore, WI 53809
(608) 822-3245
Gr: 9-12 | 246 students Student-teacher ratio: 15:1 Minority enrollment: 6%
Rank: #22.
Platteville High School
(Math: 35-39% | Reading: 45-49%)
Rank:
Rank:
7/
Top 50%10
710 E Madison St
Platteville, WI 53818
(608) 342-4020
Platteville, WI 53818
(608) 342-4020
Gr: 9-12 | 482 students Student-teacher ratio: 15:1 Minority enrollment: 17%
Rank: #33.
Lancaster High School
(Math: 35-39% | Reading: 40-44%)
Rank:
Rank:
6/
Top 50%10
806 E Elm St
Lancaster, WI 53813
(608) 723-2173
Lancaster, WI 53813
(608) 723-2173
Gr: 9-12 | 308 students Student-teacher ratio: 12:1 Minority enrollment: 20%
Rank: #44.
Potosi High School
(Math: <50% | Reading: 21-39%)
Rank:
Rank:
5/
Bottom 50%10
128 Highway 61 N
Potosi, WI 53820
(608) 763-2161
Potosi, WI 53820
(608) 763-2161
Gr: 9-12 | 109 students Student-teacher ratio: 10:1 Minority enrollment: 4%
Rank: #55.
Cuba City High School
(Math: 30-39% | Reading: 35-39%)
Rank:
Rank:
5/
Bottom 50%10
101 N School St
Cuba City, WI 53807
(608) 744-8888
Cuba City, WI 53807
(608) 744-8888
Gr: 9-12 | 273 students Student-teacher ratio: 12:1 Minority enrollment: 6%
Rank: #66.
Southwestern Wisconsin High School
(Math: 11-19% | Reading: 40-49%)
Rank:
Rank:
4/
Bottom 50%10
1105 Maple St
Hazel Green, WI 53811
(608) 854-2261
Hazel Green, WI 53811
(608) 854-2261
Gr: 9-12 | 159 students Student-teacher ratio: 12:1 Minority enrollment: 7%
Rank: #77.
River Ridge High School
(Math: 20-29% | Reading: 30-39%)
Rank:
Rank:
4/
Bottom 50%10
11165 County Highway P
Patch Grove, WI 53817
(608) 994-2715
Patch Grove, WI 53817
(608) 994-2715
Gr: 9-12 | 166 students Student-teacher ratio: 12:1 Minority enrollment: 7%
Rank: #88.
Riverdale High School
(Math: 11-19% | Reading: 30-39%)
Rank:
Rank:
3/
Bottom 50%10
235 E Elm St
Muscoda, WI 53573
(608) 739-3116
Muscoda, WI 53573
(608) 739-3116
Gr: 9-12 | 195 students Student-teacher ratio: 14:1 Minority enrollment: 12%
Rank: #9 - 119. - 11.
Boscobel High School
(Math: 20-29% | Reading: 20-29%)
Rank:
Rank:
2/
Bottom 50%10
300 Brindley St
Boscobel, WI 53805
(608) 375-4161
Boscobel, WI 53805
(608) 375-4161
Gr: 9-12 | 188 students Student-teacher ratio: 12:1 Minority enrollment: 5%
Rank: #9 - 119. - 11.
Cassville High School
(Math: 20-29% | Reading: 20-29%)
Rank:
Rank:
2/
Bottom 50%10
715 E Amelia St
Cassville, WI 53806
(608) 725-5116
Cassville, WI 53806
(608) 725-5116
Gr: 7-12 | 82 students Student-teacher ratio: 7:1 Minority enrollment: 2%
Rank: #9 - 119. - 11.
Iowa-grant High School
(Math: 20-29% | Reading: 20-29%)
Rank:
Rank:
2/
Bottom 50%10
462 County Road Ig
Livingston, WI 53554
(608) 943-6312
Livingston, WI 53554
(608) 943-6312
Gr: 9-12 | 212 students Student-teacher ratio: 11:1 Minority enrollment: 10%
Rank: n/an/a
Riverdale Academy
Alternative School
800 N 6th St
Muscoda, WI 53573
(608) 739-3101
Muscoda, WI 53573
(608) 739-3101
Gr: 6-12 | 12 students Student-teacher ratio: 12:1
Rank: n/an/a
Wisconsin Secure Program Facility
Alternative School
1101 Morrison Dr
Boscobel, WI 53805
(608) 375-5656
Boscobel, WI 53805
(608) 375-5656
Gr: 12 | 4 students Student-teacher ratio: 2:1
Grant County Public Schools (Closed)
School
Location
Quick Facts
300 Brindley St
Boscobel, WI 53805
(608) 375-4161
Boscobel, WI 53805
(608) 375-4161
Gr: 9-12 | 296 students Student-teacher ratio: 13:1 Minority enrollment: 5%
518 W Roosevelt St
Cuba City, WI 53807
(608) 744-2174
Cuba City, WI 53807
(608) 744-2174
Gr: 7-8 | 83 students
Po Box 280
Dickeyville, WI 53808
(608) 568-7762
Dickeyville, WI 53808
(608) 568-7762
Gr: PK-K | 75 students
155 W Lewis St
Platteville, WI 53818
(608) 342-4030
Platteville, WI 53818
(608) 342-4030
Gr: PK-K | 193 students Student-teacher ratio: 18:1 Minority enrollment: 6%
1300 Industrial Dr
Fennimore, WI 53809
(608) 822-3276
Fennimore, WI 53809
(608) 822-3276
Gr: 9-12 | 2 students
Frequently Asked Questions
What are the top ranked public high schools in Grant County, WI?
The top ranked public high schools in Grant County, WI include Fennimore High School, Platteville High School and Lancaster High School.
How many public high schools are located in Grant County?
13 public high schools are located in Grant County.
What is the racial composition of students in Grant County?
Grant County public high schools minority enrollment is 11% of the student body (majority Hispanic), which is less than the Wisconsin public high schools average of 33% (majority Hispanic and Black).
Which public high schools in Grant County are often viewed compared to one another?
Popular comparisons of public high schools in Grant County include: River Ridge High School vs. Riverdale High School, Riverdale High School vs. River Ridge High School, Lancaster High School vs. Fennimore High School
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