#1 Largest Private Schools in Frederick County, MD
St. John Regional Catholic School
Diocesan school · Grades Pre-K–8
567 students
Frederick, MD
B+Overall grade567 students15 students per teacher
2026 lists
Largest Private Schools in Frederick County, MD
The private schools in Frederick County, MD with the most students. Top 12 of 12 schools.
#2 Largest Private Schools in Frederick County, MD
Mother Seton School
Independent Catholic school · Grades Pre-K–8
304 students
Emmitsburg, MD
BOverall grade304 students14 students per teacher
#3 Largest Private Schools in Frederick County, MD
St. John's Catholic Prep
Independent Catholic school · Grades 9–12
281 students
Buckeystown, MD
A+Overall grade281 students11 students per teacher
#4 Largest Private Schools in Frederick County, MD
Frederick Christian Academy
Baptist school · Grades Pre-K–12
168 students
Frederick, MD
AOverall grade168 students11 students per teacher
#5 Largest Private Schools in Frederick County, MD
Lucy School
Independent school · Grades Pre-K–8
118 students
Middletown, MD
BOverall grade118 students9 students per teacher
#6 Largest Private Schools in Frederick County, MD
St. Thomas More Academy
Independent Catholic school · Grades Pre-K–8
116 students
Middletown, MD
A+Overall grade116 students5 students per teacher
#7 Largest Private Schools in Frederick County, MD
Friends Meeting School
Quaker (Friends) school · Grades K–12
110 students
Ijamsville, MD
A+Overall grade110 students7 students per teacher
#8 Largest Private Schools in Frederick County, MD
Frederick Adventist Academy
Seventh-day Adventist school · Grades Pre-K–8
86 students
Frederick, MD
A-Overall grade86 students13 students per teacher
#9 Largest Private Schools in Frederick County, MD
The Banner School
Independent school · Grades Pre-K–8
82 students
Frederick, MD
AOverall grade82 students7 students per teacher
#10 Largest Private Schools in Frederick County, MD
Laurel Hall School
Special education school · Grades 2–12
51 students
Frederick, MD
A-Overall grade51 students5 students per teacher
#11 Largest Private Schools in Frederick County, MD
Laurel Hall School - Frederick
Special education school · Grades 4–12
36 students
Frederick, MD
AOverall grade36 students4 students per teacher
#12 Largest Private Schools in Frederick County, MD
Frederick Baptist Academy
Baptist school · Grades K–12
34 students
Frederick, MD
AOverall grade34 students4 students per teacher
From official public records, updated October 2026.