#1 Most Diverse Private Schools in Marietta, GA
Montessori School of Woodstock
Montessori school · Ungraded
Largest group: 30% of students
Marietta, GA
B+Overall grade70 students18 students per teacher
2026 lists
Most Diverse Private Schools in Marietta, GA
Private schools in Marietta, GA with the most varied mix of students. Top 16 of 16 schools.
#2 Most Diverse Private Schools in Marietta, GA
Carman Adventist School
Seventh-day Adventist school · Grades Pre-K–8
Largest group: 33% of students
Marietta, GA
B+Overall grade119 students15 students per teacher
#3 Most Diverse Private Schools in Marietta, GA
Riverstone Montessori Academy
Montessori school · Ungraded
Largest group: 40% of students
Marietta, GA
A-Overall grade72 students12 students per teacher
#4 Most Diverse Private Schools in Marietta, GA
Legacy Christian School
Christian school (nondenominational) · Grades K–11
Largest group: 41% of students
Marietta, GA
BOverall grade1,120 students11 students per teacher
#5 Most Diverse Private Schools in Marietta, GA
Dominion Christian High School
Christian school (nondenominational) · Grades 6–12
Largest group: 45% of students
Marietta, GA
BOverall grade258 students12 students per teacher
#6 Most Diverse Private Schools in Marietta, GA
St. Joseph Catholic School
Diocesan school · Grades Pre-K–8
Largest group: 52% of students
Marietta, GA
AOverall grade366 students12 students per teacher
#7 Most Diverse Private Schools in Marietta, GA
Faith Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
Largest group: 52% of students
Marietta, GA
A+Overall grade63 students6 students per teacher
#8 Most Diverse Private Schools in Marietta, GA
The Walker School
Independent school · Grades Pre-K–12
Largest group: 54% of students
Marietta, GA
A+Overall grade902 students8 students per teacher
#9 Most Diverse Private Schools in Marietta, GA
Mde School of East Cobb
Special education school · Grades 1–12
Largest group: 54% of students
Marietta, GA
BOverall grade214 students6 students per teacher
#10 Most Diverse Private Schools in Marietta, GA
The Garden School
Independent school · Grades Pre-K–6
Largest group: 61% of students
Marietta, GA
AOverall grade80 students6 students per teacher
#11 Most Diverse Private Schools in Marietta, GA
The Cumberland School - Upper School
Christian school (nondenominational) · Grades 6–12
Largest group: 75% of students
Marietta, GA
BOverall grade75 students10 students per teacher
#12 Most Diverse Private Schools in Marietta, GA
The Stonehaven School
Christian school (nondenominational) · Grades K–12
Largest group: 78% of students
Marietta, GA
BOverall grade300 students11 students per teacher
#13 Most Diverse Private Schools in Marietta, GA
East Cobb Christian School
Presbyterian school · Grades K–8
Largest group: 85% of students
Marietta, GA
A-Overall grade116 students7 students per teacher
#14 Most Diverse Private Schools in Marietta, GA
Mt. Bethel Christian Academy
Christian school (nondenominational) · Grades Pre-K–12
Largest group: 88% of students
Marietta, GA
A+Overall grade659 students7 students per teacher
#15 Most Diverse Private Schools in Marietta, GA
Eastside Christian School
Christian school (nondenominational) · Grades K–9
Largest group: 88% of students
Marietta, GA
B+Overall grade281 students7 students per teacher
#16 Most Diverse Private Schools in Marietta, GA
Gracepoint School
Special education school · Grades 1–8
Largest group: 93% of students
Marietta, GA
AOverall grade134 students3 students per teacher
From official public records, updated October 2026.