For the 2026 school year, there are 6 public charter schools serving 1,036 students in Madison, WI.
The top-ranked public charter schools in Madison, WI are Isthmus Montessori Academy Public, Nuestro Mundo and Monona Grove Liberal Arts. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Madison, WI public charter schools have an average math proficiency score of 18% (versus the Wisconsin public charter school average of 27%), and reading proficiency score of 28% (versus the 31% statewide average). Charter schools in Madison have an average ranking of 2/10, which is in the bottom 50% of Wisconsin public charter schools.
Minority enrollment is 65% of the student body (majority Hispanic), which is more than the Wisconsin public charter school average of 54% (majority Hispanic and Black).
Best Public Charter Schools in Madison, WI (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Isthmus Montessori Academy Public
Charter School
(Math: 20-24% | Reading: 45-49%)
Rank:
Rank:
5/
Bottom 50%10
1802 Pankratz St
Madison, WI 53704
(608) 661-8200
Madison, WI 53704
(608) 661-8200
Gr: PK-12 | 220 students Student-teacher ratio: 15:1 Minority enrollment: 31%
Rank: #22.
Nuestro Mundo
Charter School
(Math: 30-34% | Reading: 25-29%)
Rank:
Rank:
3/
Bottom 50%10
902 Nichols Rd
Madison, WI 53716
(608) 204-1076
Madison, WI 53716
(608) 204-1076
Gr: K-5 | 295 students Student-teacher ratio: 12:1 Minority enrollment: 73%
Rank: #33.
Monona Grove Liberal Arts
Charter School
(Math: ≤10% | Reading: 21-39%)
Rank:
Rank:
2/
Bottom 50%10
5301 Monona Dr
Madison, WI 53716
(608) 316-1924
Madison, WI 53716
(608) 316-1924
Gr: 6-12 | 86 students Student-teacher ratio: 10:1 Minority enrollment: 18%
Rank: #44.
Badger Rock Middle School
Charter School
(Math: 6-9% | Reading: 20-24%)
Rank:
Rank:
1/
Bottom 50%10
509 E Badger Rd
Madison, WI 53703
(608) 442-1335
Madison, WI 53703
(608) 442-1335
Gr: 6-8 | 99 students Student-teacher ratio: 11:1 Minority enrollment: 69%
Rank: #55.
One City Elementary School
Charter School
(Math: 6-9% | Reading: ≤10%)
Rank:
Rank:
1/
Bottom 50%10
1707 W Broadway
Madison, WI 53713
(608) 531-2128
Madison, WI 53713
(608) 531-2128
Gr: PK-5 | 283 students Student-teacher ratio: 12:1 Minority enrollment: 91%
Rank: n/an/a
One City Preparatory Academy
Charter School
1707 W Broadway
Madison, WI 53713
(608) 531-2128
Madison, WI 53713
(608) 531-2128
Gr: 6-7 | 53 students Student-teacher ratio: 5:1 Minority enrollment: 98%
Madison, Wisconsin Public Schools (Closed)
School
Location
Quick Facts
Accelerated Learning Academy High School (Closed 2004)
Alternative School
15 S Brearly St
Madison, WI 53703
(608) 663-1907
Madison, WI 53703
(608) 663-1907
Gr: 9-10 | 42 students Minority enrollment: 43%
Dane County Transition School (Closed 2005)
Alternative School
2326 S Park St
Madison, WI 53713
(608) 834-8253
Madison, WI 53713
(608) 834-8253
Gr: 9-12 | 9 students Minority enrollment: 11%
Diploma Completion High School (Closed 2015)
Alternative School
545 W Dayton St
Madison, WI 53703
(608) 663-1907
Madison, WI 53703
(608) 663-1907
Gr: 11-12 | 42 students Minority enrollment: 74%
902 Nichols Rd
Madison, WI 53716
(608) 221-7670
Madison, WI 53716
(608) 221-7670
Gr: PK-2 | 247 students Student-teacher ratio: 15:1 Minority enrollment: 16%
Milestone Democratic School (Closed 2024)
Charter School
2758 Dairy Dr
Madison, WI 53718
(608) 205-8110
Madison, WI 53718
(608) 205-8110
Gr: 6-12 | 84 students Student-teacher ratio: 14:1 Minority enrollment: 50%
Monona Grove Alternative High School (Closed 2011)
Alternative School
5104 Gordon Ave
Madison, WI 53716
(608) 223-1895
Madison, WI 53716
(608) 223-1895
Gr: 10-12
Sapar Program High School (Closed 2013)
Alternative School
1501 Jenifer St
Madison, WI 53703
(608) 204-4235
Madison, WI 53703
(608) 204-4235
Gr: 7-12 | 11 students Student-teacher ratio: 3:1 Minority enrollment: 91%
Work & Learning High School (Closed 2013)
Alternative School
545 West Dayton St
Madison, WI 53703
(608) 204-4235
Madison, WI 53703
(608) 204-4235
Gr: 11-12 | 101 students Minority enrollment: 75%
Frequently Asked Questions
What are the top-ranked public charter schools in Madison, WI?
The top-ranked public charter schools in Madison, WI include Isthmus Montessori Academy Public, Nuestro Mundo and Monona Grove Liberal Arts.
How many public charter schools are located in Madison?
6 public charter schools are located in Madison.
What is the racial composition of students in Madison?
Madison public charter schools minority enrollment is 65% of the student body (majority Hispanic), which is more than the Wisconsin public charter schools average of 54% (majority Hispanic and Black).
Recent Articles
Preventing Suicide in Schools: 2026 Guide for Educators
Learn updated 2026 strategies for preventing suicide in schools, including warning signs, intervention plans, and school-wide mental health support.
The Impact of Social Media on Students (2026 Update)
Explore the impact of social media on students in 2026, including academic, mental health, and safety insights for parents and educators.