#1 Most Diverse Private Schools in Columbia County, WI
Wisconsin Academy
Seventh-day Adventist school · Grades 9–12
Largest group: 42% of students
Columbus, WI
A+Overall grade66 students10 students per teacher
2026 lists
Most Diverse Private Schools in Columbia County, WI
Private schools in Columbia County, WI with the most varied mix of students. Top 5 of 5 schools.
#2 Most Diverse Private Schools in Columbia County, WI
St. Mary School
Diocesan school · Grades K–8
Largest group: 91% of students
Portage, WI
BOverall grade169 students11 students per teacher
#3 Most Diverse Private Schools in Columbia County, WI
Zion Evangelical Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
Largest group: 96% of students
Columbus, WI
B+Overall grade73 students12 students per teacher
#4 Most Diverse Private Schools in Columbia County, WI
St. Johns Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
Largest group: 98% of students
Portage, WI
AOverall grade65 students9 students per teacher
#5 Most Diverse Private Schools in Columbia County, WI
St. Jerome School
Diocesan school · Grades K–8
Largest group: 99% of students
Columbus, WI
A-Overall grade104 students8 students per teacher
From official public records, updated October 2026.