#1 Most Diverse Private Schools in Rock County, WI
Our Lady of the Assumption School
Parish school · Grades Pre-K–8
Largest group: 44% of students
Beloit, WI
A+Overall grade112 students9 students per teacher
2026 lists
Most Diverse Private Schools in Rock County, WI
Private schools in Rock County, WI with the most varied mix of students. Top 7 of 7 schools.
#2 Most Diverse Private Schools in Rock County, WI
Rock County Christian School
Christian school (nondenominational) · Grades K–12
Largest group: 49% of students
Beloit, WI
B-Overall grade240 students13 students per teacher
#3 Most Diverse Private Schools in Rock County, WI
Rock Prairie Montessori
Montessori school · Grades Pre-K–8
Largest group: 79% of students
Janesville, WI
B+Overall grade87 students8 students per teacher
#4 Most Diverse Private Schools in Rock County, WI
St. Pauls Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
Largest group: 92% of students
Janesville, WI
BOverall grade171 students13 students per teacher
#5 Most Diverse Private Schools in Rock County, WI
St. William Catholic School
Parish school · Grades Pre-K–8
Largest group: 93% of students
Janesville, WI
BOverall grade167 students13 students per teacher
#6 Most Diverse Private Schools in Rock County, WI
Oakhill Christian School
Christian school (nondenominational) · Grades K–12
Largest group: 96% of students
Janesville, WI
B+Overall grade84 students7 students per teacher
#7 Most Diverse Private Schools in Rock County, WI
St. Matthews Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
Largest group: 96% of students
Janesville, WI
AOverall grade55 students10 students per teacher
From official public records, updated October 2026.