#1 Best Private 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 Schools in Dekalb County, GA
Private schools in Dekalb County, GA with the highest overall grades. Top 31 of 31 schools.
#2 Best Private Schools in Dekalb County, GA
St. Peter Claver Regional Catholic School
Diocesan school · Grades K–8
Smaller classes than 90% of Catholic schools in Georgia
Decatur, GA
A+Overall grade131 students3 students per teacher
#3 Best Private Schools in Dekalb County, GA
The Waldorf School of Atlanta
Independent school · Grades Pre-K–8
The largest independent school in Decatur
Decatur, GA
A+Overall grade192 students5 students per teacher
#4 Best Private 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
#5 Best Private Schools in Dekalb County, GA
Midtown International School
Independent school · Grades K–12
Smaller classes than 80% of independent schools in Georgia
Atlanta, GA
A+Overall grade141 students5 students per teacher
#6 Best Private Schools in Dekalb County, GA
Cliff Valley School
Independent school · Grades Pre-K–8
Growing: enrollment up 133% since 2011–12
Atlanta, GA
A+Overall grade392 students5 students per teacher
#7 Best Private Schools in Dekalb County, GA
The Friends School of Atlanta
Quaker (Friends) school · Grades Pre-K–8
Smaller classes than 85% of Christian schools in Georgia
Decatur, GA
A+Overall grade152 students4 students per teacher
#8 Best Private Schools in Dekalb County, GA
Hess Academy
Independent school · Grades Pre-K–8
The smallest classes of any independent school in Decatur
Decatur, GA
A+Overall grade79 students4 students per teacher
#9 Best Private Schools in Dekalb County, GA
Shallowford Presbyterian School
Presbyterian school · Grades Pre-K–8
Smaller classes than 87% of Christian schools in Georgia
Atlanta, GA
AOverall grade85 students3 students per teacher
#10 Best Private Schools in Dekalb County, GA
Greenforest McCalep Christian Academy
Baptist school · Grades Pre-K–12
Smaller classes than 85% of Christian schools in Georgia
Decatur, GA
AOverall grade92 students6 students per teacher
#11 Best Private Schools in Dekalb County, GA
St. Martin's Episcopal School
Episcopal school · Grades Pre-K–8
Smaller classes than 63% of Christian schools in Georgia
Atlanta, GA
AOverall grade472 students7 students per teacher
#12 Best Private Schools in Dekalb County, GA
Our Lady of the Assumption Catholic School
Diocesan school · Grades Pre-K–8
Serving families in Atlanta since at least 2011
Atlanta, GA
AOverall grade535 students11 students per teacher
#13 Best Private Schools in Dekalb County, GA
Yeshiva Ohr Yisrael of Atlanta
Jewish day school · Grades 9–12
Smaller classes than 92% of Jewish day schools nationwide
Atlanta, GA
A-Overall gradeAll boys68 students3 students per teacher
#14 Best Private 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
#15 Best Private Schools in Dekalb County, GA
Dunwoody Christian School
Christian school (nondenominational) · Grades K–8
Small classes: about 8 students per teacher
Dunwoody, GA
B+Overall grade87 students8 students per teacher
#16 Best Private Schools in Dekalb County, GA
Arbor Montessori School
Montessori school · Grades Pre-K–8
The largest of 42 Montessori schools in Georgia
Decatur, GA
B+Overall grade158 students9 students per teacher
#17 Best Private Schools in Dekalb County, GA
Temima, the Richard and Jean Katz High School for
Jewish day school · Grades 9–12
87% of graduates go to four-year colleges
Atlanta, GA
B+Overall gradeAll girls68 students8 students per teacher
#18 Best Private 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
#19 Best Private Schools in Dekalb County, GA
Annunciation Day School
Greek Orthodox school · Grades Pre-K–8
Growing: enrollment up 50% since 2019–20
Atlanta, GA
B+Overall grade129 students9 students per teacher
#20 Best Private Schools in Dekalb County, GA
Northwoods Montessori School - Doraville
Montessori school · Grade 5
Serving families in Atlanta since at least 2011
Atlanta, GA
B+Overall grade66 students22 students per teacher
#21 Best Private Schools in Dekalb County, GA
St. Thomas More Catholic School
Parish school · Grades Pre-K–8
One of 2 Catholic schools in Decatur
Decatur, GA
B+Overall grade430 students13 students per teacher
#22 Best Private Schools in Dekalb County, GA
Laurel Heights Academy (Hospital)
Independent school · Grades 3–12
One of 22 independent schools in Atlanta
Atlanta, GA
BOverall grade88 students10 students per teacher
#23 Best Private Schools in Dekalb County, GA
Montessori School at Emory
Montessori school · Grades Pre-K–8
One of 2 Montessori schools in Decatur
Decatur, GA
BOverall grade85 students10 students per teacher
#24 Best Private Schools in Dekalb County, GA
Yeshivah Ohr Yisrael
Jewish day school · Grades 9–12
Smaller classes than 90% of Jewish day schools nationwide
Atlanta, GA
BOverall gradeAll boys66 students3 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.