For the 2026 school year, there are 4 public charter schools serving 395 students in Monroe County, WI.
The top-ranked public charter schools in Monroe County, WI are Innovations Stem Academy, Tomah Area Montessori School and Sparta Alternative Independent Learning School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Monroe County, WI public charter schools have an average math proficiency score of 39% (versus the Wisconsin public charter school average of 28%), and reading proficiency score of 53% (versus the 32% statewide average). Charter schools in Monroe County have an average ranking of 8/10, which is in the top 30% of Wisconsin public charter schools.
Minority enrollment is 24% of the student body (majority Hispanic), which is less than the Wisconsin public charter school average of 54% (majority Hispanic and Black).
Best Public Charter Schools in Monroe County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Innovations Stem Academy
Charter School
(Math: 50-54% | Reading: 70-74%)
Rank:
Rank:
9/
Top 20%10
1225 N Water St
Sparta, WI 54656
(608) 366-3497
Sparta, WI 54656
(608) 366-3497
Gr: 6-8 | 90 students Student-teacher ratio: 18:1 Minority enrollment: 21%
Rank: #22.
Tomah Area Montessori School
Charter School
(Math: 40-59% | Reading: 60-79%)
Rank:
Rank:
9/
Top 20%10
1720 Academy Ave
Tomah, WI 54660
(608) 374-5406
Tomah, WI 54660
(608) 374-5406
Gr: PK-6 | 72 students Student-teacher ratio: 24:1 Minority enrollment: 11%
Rank: #33.
Sparta Alternative Independent Learning School
Alternative School
Charter School
Charter School
(Math: <50% | Reading: <50% )
Rank:
Rank:
8/
Top 30%10
900 East Montgomery St
Sparta, WI 54656
(608) 366-3400
Sparta, WI 54656
(608) 366-3400
Gr: 9-12 | 56 students Student-teacher ratio: 28:1 Minority enrollment: 27%
Rank: #44.
Sparta Montessori School
Charter School
(Math: 20-24% | Reading: 30-34%)
Rank:
Rank:
3/
Bottom 50%10
429 N Black River Street
Sparta, WI 54656
(608) 366-3468
Sparta, WI 54656
(608) 366-3468
Gr: PK-6 | 161 students Student-teacher ratio: 18:1 Minority enrollment: 27%
Frequently Asked Questions
What are the top-ranked public charter schools in Monroe County, WI?
The top-ranked public charter schools in Monroe County, WI include Innovations Stem Academy, Tomah Area Montessori School and Sparta Alternative Independent Learning School.
How many public charter schools are located in Monroe County?
4 public charter schools are located in Monroe County.
What is the racial composition of students in Monroe County?
Monroe County public charter schools minority enrollment is 24% of the student body (majority Hispanic), which is less than the Wisconsin public charter schools average of 54% (majority Hispanic and Black).
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