For the 2026 school year, there are 34 public schools serving 7,575 students in Grant County, WI (there are 7 private schools, serving 584 private students). 93% of all K-12 students in Grant County, WI are educated in public schools (compared to the WI state average of 85%).
The top-ranked public schools in Grant County, WI are River Ridge Elementary School, Southwestern Wisconsin Elementary School and Fennimore High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Grant County, WI public schools have an average math proficiency score of 48% (versus the Wisconsin public school average of 40%), and reading proficiency score of 38% (versus the 39% statewide average). Schools in Grant County have an average ranking of 8/10, which is in the top 30% of Wisconsin public schools.
Minority enrollment is 12% of the student body (majority Hispanic), which is less than the Wisconsin public school average of 34% (majority Hispanic).
Best Public Schools in Grant County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
River Ridge Elementary School
(Math: 60-69% | Reading: 45-49%)
Rank:
Rank:
9/
Top 20%10
11165 County Highway P
Patch Grove, WI 53817
(608) 994-2715
Patch Grove, WI 53817
(608) 994-2715
Gr: PK-4 | 190 students Student-teacher ratio: 12:1 Minority enrollment: 9%
Rank: #22.
Southwestern Wisconsin Elementary School
(Math: 60-64% | Reading: 45-49%)
Rank:
Rank:
9/
Top 20%10
1415 Fairplay St
Hazel Green, WI 53811
(608) 854-2261
Hazel Green, WI 53811
(608) 854-2261
Gr: PK-5 | 281 students Student-teacher ratio: 11:1 Minority enrollment: 4%
Rank: #33.
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 | 255 students Student-teacher ratio: 15:1 Minority enrollment: 10%
Rank: #44.
Westview Elementary School
(Math: 60-64% | Reading: 43%)
Rank:
Rank:
8/
Top 30%10
1201 W Camp St
Platteville, WI 53818
(608) 342-4050
Platteville, WI 53818
(608) 342-4050
Gr: 1-4 | 443 students Student-teacher ratio: 14:1 Minority enrollment: 25%
Rank: #55.
Cuba City Elementary School
(Math: 50-54% | Reading: 45-49%)
Rank:
Rank:
8/
Top 30%10
518 W Roosevelt St
Cuba City, WI 53807
(608) 744-2174
Cuba City, WI 53807
(608) 744-2174
Gr: PK-5 | 288 students Student-teacher ratio: 12:1 Minority enrollment: 7%
Rank: #66.
Winskill Elementary School
(Math: 72% | Reading: 39%)
Rank:
Rank:
8/
Top 30%10
861 W Maple St
Lancaster, WI 53813
(608) 723-4066
Lancaster, WI 53813
(608) 723-4066
Gr: PK-5 | 435 students Student-teacher ratio: 12:1 Minority enrollment: 6%
Rank: #77.
Iowa-grant Elementary Middle School
(Math: 58% | Reading: 44%)
Rank:
Rank:
8/
Top 30%10
498 County Road Ig
Livingston, WI 53554
(608) 943-6313
Livingston, WI 53554
(608) 943-6313
Gr: PK-8 | 423 students Student-teacher ratio: 11:1 Minority enrollment: 9%
Rank: #88.
Cassville Elementary School
(Math: 70-79% | Reading: 30-39%)
Rank:
Rank:
7/
Top 50%10
412 Crawford St
Cassville, WI 53806
(608) 725-5307
Cassville, WI 53806
(608) 725-5307
Gr: PK-6 | 92 students Student-teacher ratio: 8:1 Minority enrollment: 2%
Rank: #9 - 109. - 10.
Cuba City Middle School
(Math: 50-54% | Reading: 40-44%)
Rank:
Rank:
7/
Top 50%10
101 N School St
Cuba City, WI 53807
(608) 744-8888
Cuba City, WI 53807
(608) 744-8888
Gr: 6-8 | 129 students Student-teacher ratio: 12:1 Minority enrollment: 9%
Rank: #9 - 109. - 10.
Fennimore Elementary School
(Math: 50-54% | Reading: 40-44%)
Rank:
Rank:
7/
Top 50%10
830 Madison St
Fennimore, WI 53809
(608) 822-3285
Fennimore, WI 53809
(608) 822-3285
Gr: PK-5 | 380 students Student-teacher ratio: 12:1 Minority enrollment: 10%
Rank: #1111.
Potosi Elementary School
(Math: 65-69% | Reading: 30-34%)
Rank:
Rank:
7/
Top 50%10
128 Highway 61 N
Potosi, WI 53820
(608) 763-2163
Potosi, WI 53820
(608) 763-2163
Gr: PK-5 | 166 students Student-teacher ratio: 12:1 Minority enrollment: 2%
Rank: #1212.
Platteville Middle School
(Math: 54% | Reading: 39%)
Rank:
Rank:
7/
Top 50%10
40 E Madison St
Platteville, WI 53818
(608) 342-4010
Platteville, WI 53818
(608) 342-4010
Gr: 5-8 | 417 students Student-teacher ratio: 12:1 Minority enrollment: 20%
Rank: #1313.
Riverdale Elementary School
(Math: 45-49% | Reading: 40-44%)
Rank:
Rank:
7/
Top 50%10
800 N 6th St
Muscoda, WI 53573
(608) 739-3101
Muscoda, WI 53573
(608) 739-3101
Gr: PK-6 | 337 students Student-teacher ratio: 12:1 Minority enrollment: 9%
Rank: #1414.
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 | 479 students Student-teacher ratio: 15:1 Minority enrollment: 22%
Rank: #1515.
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 | 325 students Student-teacher ratio: 13:1 Minority enrollment: 8%
Rank: #16 - 1716. - 17.
Boscobel Elementary School
(Math: 45-49% | Reading: 30-34%)
Rank:
Rank:
6/
Top 50%10
200 Buchanan St
Boscobel, WI 53805
(608) 375-4165
Boscobel, WI 53805
(608) 375-4165
Gr: PK-5 | 311 students Student-teacher ratio: 10:1 Minority enrollment: 8%
Rank: #16 - 1716. - 17.
River Ridge Middle School
(Math: 45-49% | Reading: 30-34%)
Rank:
Rank:
6/
Top 50%10
11165 County Highway P
Patch Grove, WI 53817
(608) 994-2715
Patch Grove, WI 53817
(608) 994-2715
Gr: 5-8 | 124 students Student-teacher ratio: 10:1 Minority enrollment: 11%
Rank: #1818.
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 | 107 students Student-teacher ratio: 9:1 Minority enrollment: 5%
Rank: #1919.
Fennimore Middle School
(Math: 35-39% | Reading: 35-39%)
Rank:
Rank:
5/
Bottom 50%10
510 7th St
Fennimore, WI 53809
(608) 822-3245
Fennimore, WI 53809
(608) 822-3245
Gr: 6-8 | 186 students Student-teacher ratio: 14:1 Minority enrollment: 11%
Rank: #2020.
Lancaster Middle School
(Math: 43% | Reading: 35%)
Rank:
Rank:
5/
Bottom 50%10
802 E Elm St
Lancaster, WI 53813
(608) 723-6425
Lancaster, WI 53813
(608) 723-6425
Gr: 6-8 | 231 students Student-teacher ratio: 15:1 Minority enrollment: 6%
Rank: #2121.
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 | 262 students Student-teacher ratio: 12:1 Minority enrollment: 6%
Rank: #2222.
Riverdale Junior High School
(Math: 40-44% | Reading: 25-29%)
Rank:
Rank:
4/
Bottom 50%10
235 E Elm St
Muscoda, WI 53573
(608) 739-3116
Muscoda, WI 53573
(608) 739-3116
Gr: 7-8 | 88 students Student-teacher ratio: 18:1 Minority enrollment: 9%
Rank: #23 - 2423. - 24.
Boscobel Junior High School
(Math: 30-34% | Reading: 30-34%)
Rank:
Rank:
4/
Bottom 50%10
300 Brindley St
Boscobel, WI 53805
(608) 375-4161
Boscobel, WI 53805
(608) 375-4161
Gr: 6-8 | 158 students Student-teacher ratio: 11:1 Minority enrollment: 6%
Rank: #23 - 2423. - 24.
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 | 151 students Student-teacher ratio: 10:1 Minority enrollment: 7%
Rank: #2525.
Potosi Middle School
(Math: 40-44% | Reading: 20-24%)
Rank:
Rank:
4/
Bottom 50%10
128 Highway 61 N
Potosi, WI 53820
(608) 763-2161
Potosi, WI 53820
(608) 763-2161
Gr: 6-8 | 66 students Student-teacher ratio: 11:1 Minority enrollment: 8%
Rank: #2626.
Southwestern Wisconsin Community Middle School
(Math: 25-29% | Reading: 30-34%)
Rank:
Rank:
4/
Bottom 50%10
1105 Maple St
Hazel Green, WI 53811
(608) 854-2261
Hazel Green, WI 53811
(608) 854-2261
Gr: 6-8 | 96 students Student-teacher ratio: 11:1 Minority enrollment: 9%
Rank: #2727.
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 | 167 students Student-teacher ratio: 13:1 Minority enrollment: 6%
Rank: #2828.
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 | 192 students Student-teacher ratio: 14:1 Minority enrollment: 11%
Rank: #29 - 3129. - 31.
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 | 182 students Student-teacher ratio: 11:1 Minority enrollment: 6%
Rank: #29 - 3129. - 31.
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 | 79 students Student-teacher ratio: 7:1 Minority enrollment: 4%
Rank: #29 - 3129. - 31.
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 | 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
Boscobel, WI 53805
(608) 375-5656
Gr: 12 | 2 students Student-teacher ratio: 1:1
Rank: n/an/a
425 Broadway St
Platteville, WI 53818
(608) 342-4040
Platteville, WI 53818
(608) 342-4040
Gr: PK-K | 205 students Student-teacher ratio: 12:1 Minority enrollment: 25%
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 | 14 students Student-teacher ratio: 14:1 Minority enrollment: 7%
Frequently Asked Questions
What are the top-ranked public schools in Grant County, WI?
The top-ranked public schools in Grant County, WI include River Ridge Elementary School, Southwestern Wisconsin Elementary School and Fennimore High School.
How many public schools are located in Grant County?
34 public schools are located in Grant County.
What percentage of students in Grant County go to public school?
93% of all K-12 students in Grant County are educated in public schools (compared to the WI state average of 85%).
What is the racial composition of students in Grant County?
Grant County public schools minority enrollment is 12% of the student body (majority Hispanic), which is less than the Wisconsin public schools average of 34% (majority Hispanic).
Which public schools in Grant County are often viewed compared to one another?
Popular comparisons of public schools in Grant County include: Lancaster Middle School vs. Platteville Middle School, River Ridge High School vs. Riverdale High School, Platteville Middle School vs. Lancaster Middle School
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