For the 2025-26 school year, there are 2 public charter schools serving 151 students in Columbia County, WI.
The top-ranked public charter schools in Columbia County, WI are Discovery Charter School and Ouisconsing School Of Collaboration. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Columbia County, WI public charter schools have an average math proficiency score of 55% (versus the Wisconsin public charter school average of 27%), and reading proficiency score of 35% (versus the 31% statewide average). Charter schools in Columbia County have an average ranking of 8/10, which is in the top 30% of Wisconsin public charter schools.
Minority enrollment is 13% 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 Columbia County (2025-26)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Discovery Charter School
Charter School
(Math: 60-79% | Reading: 40-59%)
Rank:
Rank:
9/
Top 20%10
200 Fuller St
Columbus, WI 53925
(920) 623-5950
Columbus, WI 53925
(920) 623-5950
Gr: K-3 | 76 students Student-teacher ratio: 13:1 Minority enrollment: 13%
Rank: #22.
Ouisconsing School Of Collaboration
Charter School
(Math: 50-54% | Reading: 30-34%)
Rank:
Rank:
6/
Top 50%10
101 School St
Lodi, WI 53555
(608) 592-3842
Lodi, WI 53555
(608) 592-3842
Gr: 3-5 | 75 students Student-teacher ratio: 13:1 Minority enrollment: 13%
Columbia County Public Schools (Closed)
School
Location
Quick Facts
110 S Elm St
Pardeeville, WI 53954
(608) 429-9939
Pardeeville, WI 53954
(608) 429-9939
Gr: PK | 8 students Student-teacher ratio: 8:1
N5194 State Rd 78
Portage, WI 53901
(608) 742-2601
Portage, WI 53901
(608) 742-2601
Gr: 1-6 | 44 students Student-teacher ratio: 15:1
W8349 Dumke Rd
Portage, WI 53901
(608) 742-6016
Portage, WI 53901
(608) 742-6016
Gr: K-6 | 64 students Student-teacher ratio: 16:1
Gibraltar Charter School (Closed 2015)
Charter School
1100 Sauk St
Lodi, WI 53555
(608) 592-3853
Lodi, WI 53555
(608) 592-3853
Gr: 9-10 | 5 students Student-teacher ratio: 5:1
520 Race St
Wisconsin Dells, WI 53965
(608) 253-1461
Wisconsin Dells, WI 53965
(608) 253-1461
Gr: 9-12 | 20 students Student-teacher ratio: 20:1 Minority enrollment: 30%
103 Pleasant St
Lodi, WI 53555
(608) 592-3855
Lodi, WI 53555
(608) 592-3855
Gr: PK | 85 students Student-teacher ratio: 28:1 Minority enrollment: 18%
W6180 School Rd
Pardeeville, WI 53954
(608) 429-3412
Pardeeville, WI 53954
(608) 429-3412
Gr: 5 | 67 students Student-teacher ratio: 13:1 Minority enrollment: 10%
120 Oak St
Pardeeville, WI 53954
(608) 429-2153
Pardeeville, WI 53954
(608) 429-2153
Gr: 9-12 | 290 students Student-teacher ratio: 14:1 Minority enrollment: 3%
301 E Collins St
Portage, WI 53901
(608) 742-4879
Portage, WI 53901
(608) 742-4879
Gr: 6-12 | 30 students Minority enrollment: 13%
River Crossing Charter School (Closed 2014)
Charter School
191 East Slifer St
Portage, WI 53901
(608) 742-3764
Portage, WI 53901
(608) 742-3764
Gr: 7-8 | 13 students Student-teacher ratio: 13:1 Minority enrollment: 8%
222 W Pearl St
Lodi, WI 53555
(608) 583-2091
Lodi, WI 53555
(608) 583-2091
Gr: PK-5 | 70 students Student-teacher ratio: 9:1 Minority enrollment: 11%
Frequently Asked Questions
What are the top-ranked public charter schools in Columbia County, WI?
The top-ranked public charter schools in Columbia County, WI include Discovery Charter School and Ouisconsing School Of Collaboration.
How many public charter schools are located in Columbia County?
2 public charter schools are located in Columbia County.
What is the racial composition of students in Columbia County?
Columbia County public charter schools minority enrollment is 13% 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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