#1 Best Private High Schools in Dekalb County, GA
St. Pius X Catholic High School
Diocesan school · Grades 9–12
The smallest classes of any Catholic school in Atlanta
Atlanta, GA
A+Overall grade1,054 students10 students per teacher
2026 lists
Best Private High Schools in Dekalb County, GA
Private high schools in Dekalb County, GA with the highest overall grades. Top 5 of 5 schools.
#2 Best Private High Schools in Dekalb County, GA
Marist School
Independent Catholic school · Grades 7–12
The largest of 34 Catholic schools in Georgia
Atlanta, GA
A+Overall grade1,082 students12 students per teacher
#3 Best Private High Schools in Dekalb County, GA
Mohammed Schools of Atlanta
Islamic school · Grades Pre-K–12
The largest private school in Atlanta
Atlanta, GA
A-Overall grade180 students15 students per teacher
#4 Best Private High Schools in Dekalb County, GA
Academe of the Oaks
Independent school · Grades 9–12
90% of graduates go to four-year colleges
Decatur, GA
B+Overall grade80 students10 students per teacher
#5 Best Private High Schools in Dekalb County, GA
Ben Franklin Academy
Independent school · Grades 9–12
Small classes: about 5 students per teacher
Atlanta, GA
BOverall grade100 students5 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.