#1 Most Diverse Private Schools in Maryland
Spencerville Adventist Academy
Seventh-day Adventist school · Grades Pre-K–12
Largest group: 22% of students
Spencerville, MD
AOverall grade399 students14 students per teacher
2026 lists
Most Diverse Private Schools in Maryland
Private schools in Maryland with the most varied mix of students. Top 50 of 346 schools.
#2 Most Diverse Private Schools in Maryland
Julia Brown Montessori School
Montessori school · Grades Pre-K–3
Largest group: 25% of students
Silver Spring, MD
B+Overall grade55 students28 students per teacher
#3 Most Diverse Private Schools in Maryland
Butler Montessori
Montessori school · Grades Pre-K–9
Largest group: 27% of students
Germantown, MD
B+Overall grade143 students10 students per teacher
#4 Most Diverse Private Schools in Maryland
Mt. Aetna Adventist School (MAAS)
Seventh-day Adventist school · Grades K–8
Largest group: 27% of students
Hagerstown, MD
AOverall grade130 students12 students per teacher
#5 Most Diverse Private Schools in Maryland
St. Marys Elementary School
Diocesan school · Grades Pre-K–8
Largest group: 28% of students
Rockville, MD
A+Overall grade148 students10 students per teacher
#6 Most Diverse Private Schools in Maryland
Beltsville Adventist School
Seventh-day Adventist school · Grades K–8
Largest group: 29% of students
Beltsville, MD
BOverall grade205 students17 students per teacher
#7 Most Diverse Private Schools in Maryland
St. Andrew Apostle School
Parish school · Grades Pre-K–8
Largest group: 31% of students
Silver Spring, MD
A+Overall grade306 students12 students per teacher
#8 Most Diverse Private Schools in Maryland
Fellowship Christian School
Christian school (nondenominational) · Grades K–5
Largest group: 31% of students
Germantown, MD
B+Overall grade121 students11 students per teacher
#9 Most Diverse Private Schools in Maryland
St. John the Baptist School
Parish school · Grades Pre-K–8
Largest group: 32% of students
Silver Spring, MD
A+Overall grade233 students12 students per teacher
#10 Most Diverse Private Schools in Maryland
Washington Christian Academy
Christian school (nondenominational) · Grades K–12
Largest group: 33% of students
Olney, MD
A+Overall grade289 students10 students per teacher
#11 Most Diverse Private Schools in Maryland
Mother of God School
Independent Catholic school · Grades Pre-K–8
Largest group: 33% of students
Gaithersburg, MD
A+Overall grade198 students13 students per teacher
#12 Most Diverse Private Schools in Maryland
St. Johns Parish Day School
Episcopal school · Grades Pre-K–5
Largest group: 33% of students
Ellicott City, MD
AOverall grade168 students9 students per teacher
#13 Most Diverse Private Schools in Maryland
Highland View Academy
Seventh-day Adventist school · Grades 9–12
Largest group: 33% of students
Hagerstown, MD
B+Overall grade97 students13 students per teacher
#14 Most Diverse Private Schools in Maryland
St. Timothy's School
Episcopal school · Grades 9–12
Largest group: 34% of students
Stevenson, MD
A+Overall gradeAll girls170 students6 students per teacher
#15 Most Diverse Private Schools in Maryland
Olney Adventist Preparatory
Seventh-day Adventist school · Grades K–8
Largest group: 34% of students
Olney, MD
AOverall grade93 students10 students per teacher
#16 Most Diverse Private Schools in Maryland
Muslim Community School/Alim Academy
Islamic school · Grades Pre-K–11
Largest group: 35% of students
Potomac, MD
AOverall grade129 students7 students per teacher
#17 Most Diverse Private Schools in Maryland
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
#18 Most Diverse Private Schools in Maryland
Atholton Adventist Academy
Seventh-day Adventist school · Grades Pre-K–12
Largest group: 36% of students
Columbia, MD
BOverall grade206 students12 students per teacher
#19 Most Diverse Private Schools in Maryland
M&M Learning Center
Islamic school · Grades K–12
Largest group: 36% of students
Lanham, MD
AOverall grade123 students9 students per teacher
#20 Most Diverse Private Schools in Maryland
Frederick Adventist Academy
Seventh-day Adventist school · Grades Pre-K–8
Largest group: 36% of students
Frederick, MD
A-Overall grade86 students13 students per teacher
#21 Most Diverse Private Schools in Maryland
New Century School the
Independent school · Grades Pre-K–8
Largest group: 36% of students
Baltimore, MD
AOverall grade67 students7 students per teacher
#22 Most Diverse Private Schools in Maryland
Griggs International Academy
Seventh-day Adventist school · Grades K–12
Largest group: 37% of students
Silver Spring, MD
BOverall grade826 students
#23 Most Diverse Private Schools in Maryland
St. Mary's Ryken High School
Diocesan school · Grades 9–12
Largest group: 38% of students
Leonardtown, MD
A+Overall grade687 students11 students per teacher
#24 Most Diverse Private Schools in Maryland
Holy Cross Elementary School
Diocesan school · Grades Pre-K–8
Largest group: 38% of students
Garrett Park, MD
BOverall grade233 students15 students per teacher
From official public records, updated October 2026.