#1 Most Diverse Private Schools in Howard County, MD
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
2026 lists
Most Diverse Private Schools in Howard County, MD
Private schools in Howard County, MD with the most varied mix of students. Top 21 of 21 schools.
#2 Most Diverse Private Schools in Howard County, MD
Atholton Adventist Academy
Seventh-day Adventist school · Grades Pre-K–12
Largest group: 36% of students
Columbia, MD
BOverall grade206 students12 students per teacher
#3 Most Diverse Private Schools in Howard County, MD
Columbia Academy
Independent school · Grades K–8
Largest group: 38% of students
Columbia, MD
B+Overall grade173 students9 students per teacher
#4 Most Diverse Private Schools in Howard County, MD
Chapelgatechristianacademy
Presbyterian school · Grades K–12
Largest group: 40% of students
Marriottsville, MD
A+Overall grade386 students11 students per teacher
#5 Most Diverse Private Schools in Howard County, MD
Maryland International School
Independent school · Grades 1–12
Largest group: 40% of students
Elkridge, MD
A+Overall grade185 students7 students per teacher
#6 Most Diverse Private Schools in Howard County, MD
Trinity School
Independent Catholic school · Grades Pre-K–8
Largest group: 41% of students
Ellicott City, MD
A+Overall grade212 students9 students per teacher
#7 Most Diverse Private Schools in Howard County, MD
High Road Academy of Howard County
Special education school · Grades 5–12
Largest group: 43% of students
Fulton, MD
B+Overall grade51 students7 students per teacher
#8 Most Diverse Private Schools in Howard County, MD
Aya Center
Independent school · Grades Pre-K–5
Largest group: 44% of students
Columbia, MD
BOverall grade64 students21 students per teacher
#9 Most Diverse Private Schools in Howard County, MD
Glenelg Country School
Independent school · Grades Pre-K–12
Largest group: 46% of students
Ellicott City, MD
A+Overall grade705 students8 students per teacher
#10 Most Diverse Private Schools in Howard County, MD
The Mandala School
Religious school · Grades K–8
Largest group: 47% of students
Columbia, MD
A-Overall grade51 students8 students per teacher
#11 Most Diverse Private Schools in Howard County, MD
Linwood School
Special education school · Grades 3–12
Largest group: 48% of students
Ellicott City, MD
A-Overall grade50 students6 students per teacher
#12 Most Diverse Private Schools in Howard County, MD
Tarbiyah Academy
Islamic school · Grades K–8
Largest group: 49% of students
Elkridge, MD
A-Overall grade176 students8 students per teacher
#13 Most Diverse Private Schools in Howard County, MD
St. Louis School
Diocesan school · Grades Pre-K–8
Largest group: 52% of students
Clarksville, MD
BOverall grade497 students15 students per teacher
#14 Most Diverse Private Schools in Howard County, MD
Our Lady of Perpetual Help School
Diocesan school · Grades Pre-K–8
Largest group: 53% of students
Ellicott City, MD
A+Overall grade190 students13 students per teacher
#15 Most Diverse Private Schools in Howard County, MD
Fusion Columbia
Alternative school · Grades 7–12
Largest group: 59% of students
Columbia, MD
B+Overall grade75 students4 students per teacher
#16 Most Diverse Private Schools in Howard County, MD
St. Augustine School
Diocesan school · Grades Pre-K–8
Largest group: 73% of students
Elkridge, MD
BOverall grade223 students16 students per teacher
#17 Most Diverse Private Schools in Howard County, MD
Resurrection St. Paul School
Diocesan school · Grades Pre-K–8
Largest group: 78% of students
Ellicott City, MD
B+Overall grade445 students15 students per teacher
#18 Most Diverse Private Schools in Howard County, MD
Bethel Christian Academy
Assembly of God school · Grades Pre-K–8
Largest group: 80% of students
Savage, MD
BOverall grade201 students11 students per teacher
#19 Most Diverse Private Schools in Howard County, MD
Mount Airy Christian Academy
Christian school (nondenominational) · Grades Pre-K–12
Largest group: 88% of students
Mount Airy, MD
B-Overall grade416 students14 students per teacher
#20 Most Diverse Private Schools in Howard County, MD
Glenwood Academy
Special education school · Grades 3–12
Largest group: 90% of students
Glenwood, MD
AOverall grade59 students3 students per teacher
#21 Most Diverse Private Schools in Howard County, MD
Phillips School - Laurel
Special education school · Grades 3–12
Largest group: 91% of students
Laurel, MD
BOverall grade67 students5 students per teacher
From official public records, updated October 2026.