#1 Best Private High Schools in Gwinnett County, GA
Notre Dame Academy
Independent Catholic school · Grades Pre-K–12
The only Catholic school in Duluth
Duluth, GA
A+Overall grade305 students10 students per teacher
2026 lists
Best Private High Schools in Gwinnett County, GA
Private high schools in Gwinnett County, GA with the highest overall grades. Top 9 of 9 schools.
#2 Best Private High Schools in Gwinnett County, GA
Wesleyan School
Christian school (nondenominational) · Grades K–12
100% of graduates go to four-year colleges
Peachtree Corners, GA
A+Overall grade1,200 students7 students per teacher
#3 Best Private High Schools in Gwinnett County, GA
Sugar Hill Christian Academy
Christian school (nondenominational) · Grades Pre-K–12
94% of graduates go to four-year colleges
Sugar Hill, GA
A+Overall grade480 students7 students per teacher
#4 Best Private High Schools in Gwinnett County, GA
Killian Hill Christian School
Baptist school · Grades Pre-K–12
100% of graduates go to four-year colleges
Lilburn, GA
A+Overall grade409 students10 students per teacher
#5 Best Private High Schools in Gwinnett County, GA
Atlanta Adventist Academy
Seventh-day Adventist school · Grades 9–12
99% of graduates go to four-year colleges
Duluth, GA
A-Overall grade128 students14 students per teacher
#6 Best Private High Schools in Gwinnett County, GA
Greater Atlanta Christian School
Christian school (nondenominational) · Grades Pre-K–12
The largest Christian school in Norcross
Norcross, GA
A-Overall grade1,459 students12 students per teacher
#7 Best Private High Schools in Gwinnett County, GA
Hebron Christian Academy
Baptist school · Grades Pre-K–12
The largest Christian school in Dacula
Dacula, GA
BOverall grade1,265 students14 students per teacher
#8 Best Private High Schools in Gwinnett County, GA
Hebron Christian Academy
Baptist school · Grades Pre-K–12
The largest Christian school in Dacula
Dacula, GA
B-Overall grade1,265 students14 students per teacher
#9 Best Private High Schools in Gwinnett County, GA
Providence Christian Academy
Christian school (nondenominational) · Grades Pre-K–12
The largest Christian school in Lilburn
Lilburn, GA
B-Overall grade649 students
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.