For the 2026 school year, there are 3 public charter schools serving 307 students in Sparta, WI.
The top-ranked public charter schools in Sparta, WI are Innovations Stem Academy, Sparta Alternative Independent Learning School and Sparta Montessori School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Sparta, WI public charter schools have an average math proficiency score of 37% (versus the Wisconsin public charter school average of 28%), and reading proficiency score of 50% (versus the 32% statewide average). Charter schools in Sparta have an average ranking of 7/10, which is in the top 50% of Wisconsin public charter schools.
Minority enrollment is 25% 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 Sparta, WI (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.
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: #33.
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 Sparta, WI?
The top-ranked public charter schools in Sparta, WI include Innovations Stem Academy, Sparta Alternative Independent Learning School and Sparta Montessori School.
How many public charter schools are located in Sparta?
3 public charter schools are located in Sparta.
What is the racial composition of students in Sparta?
Sparta public charter schools minority enrollment is 25% of the student body (majority Hispanic), which is less than the Wisconsin public charter schools average of 54% (majority Hispanic and Black).
Recent Articles
Media Literacy as a Core Skill: How to Tell if a School Teaches It Well
Learn how to evaluate whether a public school teaches media literacy effectively, from fact-checking and source evaluation to digital citizenship and critical thinking.
Screen Time, Paper Learning, and the New Back-to-Basics Debate
Explore why some public schools are reducing screen time, bringing back paper learning, and rethinking the balance between technology and traditional instruction.
Student Data, AI Tools, and Privacy: Questions to Ask Your District
Learn how public schools use AI, protect student data, and the key privacy questions every parent should ask their school district in 2026.