#1 Most Diverse Private Schools in Brown County, SD
Trinity Lutheran School
Lutheran (Wisconsin Synod) school · Grades K–8
Largest group: 81% of students
Aberdeen, SD
B+Overall grade62 students14 students per teacher
2026 lists
Most Diverse Private Schools in Brown County, SD
Private schools in Brown County, SD with the most varied mix of students. Top 7 of 7 schools.
#2 Most Diverse Private Schools in Brown County, SD
Roncalli Primary School
Parish school · Grades Pre-K–1
Largest group: 91% of students
Aberdeen, SD
BOverall grade86 students17 students per teacher
#3 Most Diverse Private Schools in Brown County, SD
Aberdeen Catholic Schools
Parish school · Grades Pre-K–12
Largest group: 92% of students
Aberdeen, SD
B-Overall grade482 students13 students per teacher
#4 Most Diverse Private Schools in Brown County, SD
Roncalli Primary School
Parish school · Grades Pre-K–12
Largest group: 92% of students
Aberdeen, SD
B-Overall grade482 students13 students per teacher
#5 Most Diverse Private Schools in Brown County, SD
Roncalli Elementary School
Parish school · Grades 2–5
Largest group: 92% of students
Aberdeen, SD
B-Overall grade169 students11 students per teacher
#6 Most Diverse Private Schools in Brown County, SD
Roncalli Jr. & Sr. High School
Parish school · Grades 6–12
Largest group: 94% of students
Aberdeen, SD
B-Overall grade232 students11 students per teacher
#7 Most Diverse Private Schools in Brown County, SD
Aberdeen Christian School
Christian school (nondenominational) · Grades Pre-K–12
Largest group: 95% of students
Aberdeen, SD
BOverall grade206 students8 students per teacher
From official public records, updated October 2026.