#1 Best Private Schools in Aberdeen, SD
Trinity Lutheran School
Lutheran (Wisconsin Synod) school · Grades K–8
One of the most diverse private schools in South Dakota
Aberdeen, SD
B+Overall grade62 students14 students per teacher
2026 lists
Best Private Schools in Aberdeen, SD
Private schools in Aberdeen, SD with the highest overall grades. Top 7 of 7 schools.
#2 Best Private Schools in Aberdeen, SD
Aberdeen Christian School
Christian school (nondenominational) · Grades Pre-K–12
Smaller classes than 67% of Christian schools in South Dakota
Aberdeen, SD
BOverall grade206 students8 students per teacher
#3 Best Private Schools in Aberdeen, SD
Roncalli Primary School
Parish school · Grades Pre-K–1
Serving families in Aberdeen since at least 2011
Aberdeen, SD
BOverall grade86 students17 students per teacher
#4 Best Private Schools in Aberdeen, SD
Roncalli Jr. & Sr. High School
Parish school · Grades 6–12
The smallest classes of any Catholic school in Aberdeen
Aberdeen, SD
B-Overall grade232 students11 students per teacher
#5 Best Private Schools in Aberdeen, SD
Roncalli Elementary School
Parish school · Grades 2–5
Serving families in Aberdeen since at least 2011
Aberdeen, SD
B-Overall grade169 students11 students per teacher
#6 Best Private Schools in Aberdeen, SD
Roncalli Primary School
Parish school · Grades Pre-K–12
One of the 3 largest Catholic schools in South Dakota
Aberdeen, SD
B-Overall grade482 students13 students per teacher
#7 Best Private Schools in Aberdeen, SD
Aberdeen Catholic Schools
Parish school · Grades Pre-K–12
One of the 3 largest Catholic schools in South Dakota
Aberdeen, SD
B-Overall grade482 students13 students per teacher
Grades compare each school's official facts, such as class size, how long it has served families and where graduates go, with similar schools. They're a starting point: visit, ask questions and trust what you see.