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Public School Review - Established 2003

Best Grant County Public High Schools (2026)

For the 2026 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 34% (majority Hispanic and Black).

Best Public High Schools in Grant County (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Fennimore High School
(Math: 40-49% | Reading: 60-69%)
Rank:
8/
10
Top 30%
510 7th St
Fennimore, WI 53809
(608) 822-3245
Gr: 9-12 | 255 students Student-teacher ratio: 15:1 Minority enrollment: 10%
Rank: #22.
Platteville High School
(Math: 35-39% | Reading: 45-49%)
Rank:
7/
10
Top 50%
710 E Madison St
Platteville, WI 53818
(608) 342-4020
Gr: 9-12 | 479 students Student-teacher ratio: 15:1 Minority enrollment: 22%
Rank: #33.
Lancaster High School
(Math: 35-39% | Reading: 40-44%)
Rank:
6/
10
Top 50%
806 E Elm St
Lancaster, WI 53813
(608) 723-2173
Gr: 9-12 | 325 students Student-teacher ratio: 13:1 Minority enrollment: 8%
Rank: #44.
Potosi High School
(Math: <50% | Reading: 21-39%)
Rank:
5/
10
Bottom 50%
128 Highway 61 N
Potosi, WI 53820
(608) 763-2161
Gr: 9-12 | 107 students Student-teacher ratio: 9:1 Minority enrollment: 5%
Rank: #55.
Cuba City High School
(Math: 30-39% | Reading: 35-39%)
Rank:
5/
10
Bottom 50%
101 N School St
Cuba City, WI 53807
(608) 744-8888
Gr: 9-12 | 262 students Student-teacher ratio: 12:1 Minority enrollment: 6%
Rank: #66.
Southwestern Wisconsin High School
(Math: 11-19% | Reading: 40-49%)
Rank:
4/
10
Bottom 50%
1105 Maple St
Hazel Green, WI 53811
(608) 854-2261
Gr: 9-12 | 151 students Student-teacher ratio: 10:1 Minority enrollment: 7%
Rank: #77.
River Ridge High School
(Math: 20-29% | Reading: 30-39%)
Rank:
4/
10
Bottom 50%
11165 County Highway P
Patch Grove, WI 53817
(608) 994-2715
Gr: 9-12 | 167 students Student-teacher ratio: 13:1 Minority enrollment: 6%
Rank: #88.
Riverdale High School
(Math: 11-19% | Reading: 30-39%)
Rank:
3/
10
Bottom 50%
235 E Elm St
Muscoda, WI 53573
(608) 739-3116
Gr: 9-12 | 192 students Student-teacher ratio: 14:1 Minority enrollment: 11%
Rank: #9 - 119. - 11.
Boscobel High School
(Math: 20-29% | Reading: 20-29%)
Rank:
2/
10
Bottom 50%
300 Brindley St
Boscobel, WI 53805
(608) 375-4161
Gr: 9-12 | 182 students Student-teacher ratio: 11:1 Minority enrollment: 6%
Rank: #9 - 119. - 11.
Cassville High School
(Math: 20-29% | Reading: 20-29%)
Rank:
2/
10
Bottom 50%
715 E Amelia St
Cassville, WI 53806
(608) 725-5116
Gr: 7-12 | 79 students Student-teacher ratio: 7:1 Minority enrollment: 4%
Rank: #9 - 119. - 11.
Iowa-grant High School
(Math: 20-29% | Reading: 20-29%)
Rank:
2/
10
Bottom 50%
462 County Road Ig
Livingston, WI 53554
(608) 943-6312
Gr: 9-12 | 225 students Student-teacher ratio: 11:1 Minority enrollment: 9%
Rank: n/an/a
Doc Wisconsin Secure Program Facility
Alternative School
1101 Morrison Dr
Boscobel, WI 53805
(608) 375-5656
Gr: 12 | 2 students Student-teacher ratio: 1:1
Rank: n/an/a
Riverdale Academy
Alternative School
800 N 6th St
Muscoda, WI 53573
(608) 739-3101
Gr: 6-12 | 14 students Student-teacher ratio: 14:1 Minority enrollment: 7%

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 34% (majority Hispanic and Black).
Which public high schools in Grant County are often viewed compared to one another?

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