#1 Most Diverse Private Schools in Olney, MD
Washington Christian Academy
Christian school (nondenominational) · Grades K–12
Largest group: 33% of students
Olney, MD
A+Overall grade289 students10 students per teacher
2026 lists
Most Diverse Private Schools in Olney, MD
Private schools in Olney, MD with the most varied mix of students. Top 6 of 6 schools.
#2 Most Diverse Private Schools in Olney, MD
Olney Adventist Preparatory
Seventh-day Adventist school · Grades K–8
Largest group: 34% of students
Olney, MD
AOverall grade93 students10 students per teacher
#3 Most Diverse Private Schools in Olney, MD
Olney Adventist Preparatory School
Seventh-day Adventist school · Grades K–8
Largest group: 35% of students
Olney, MD
B+Overall grade92 students10 students per teacher
#4 Most Diverse Private Schools in Olney, MD
St. John's Episcopal School
Episcopal school · Grades Pre-K–8
Largest group: 39% of students
Olney, MD
A+Overall grade154 students9 students per teacher
#5 Most Diverse Private Schools in Olney, MD
Our Lady of Good Counsel High School
Independent Catholic school · Grades 9–12
Largest group: 47% of students
Olney, MD
A+Overall grade1,246 students12 students per teacher
#6 Most Diverse Private Schools in Olney, MD
St. Peter's School
Parish school · Grades Pre-K–8
Largest group: 63% of students
Olney, MD
A+Overall grade431 students10 students per teacher
From official public records, updated October 2026.