#1 Largest Private Schools in Washington County, MD
Grace Academy
Christian school (nondenominational) · Grades Pre-K–12
359 students
Hagerstown, MD
B-Overall grade359 students12 students per teacher
2026 lists
Largest Private Schools in Washington County, MD
The private schools in Washington County, MD with the most students. Top 13 of 13 schools.
#2 Largest Private Schools in Washington County, MD
St. James School
Episcopal school · Grades 8–12
240 students
Hagerstown, MD
A+Overall grade240 students8 students per teacher
#3 Largest Private Schools in Washington County, MD
Paradise Mennonite School
Mennonite school · Grades 1–11
229 students
Hagerstown, MD
B-Overall grade229 students13 students per teacher
#4 Largest Private Schools in Washington County, MD
Heritage Academy
Christian school (nondenominational) · Grades Pre-K–12
211 students
Hagerstown, MD
B-Overall grade211 students16 students per teacher
#5 Largest Private Schools in Washington County, MD
Hillside Mennonite School
Mennonite school · Grades 1–10
181 students
Hagerstown, MD
B-Overall grade181 students16 students per teacher
#6 Largest Private Schools in Washington County, MD
St. Mary Catholic School
Diocesan school · Grades Pre-K–8
169 students
Hagerstown, MD
A+Overall grade169 students9 students per teacher
#7 Largest Private Schools in Washington County, MD
St. Maria Goretti Catholic High School
Diocesan school · Grades 9–12
155 students
Hagerstown, MD
AOverall grade155 students9 students per teacher
#8 Largest Private Schools in Washington County, MD
Mt. Aetna Adventist School (MAAS)
Seventh-day Adventist school · Grades K–8
130 students
Hagerstown, MD
AOverall grade130 students12 students per teacher
#9 Largest Private Schools in Washington County, MD
Emmanuel Christian School
Baptist school · Grades Pre-K–12
129 students
Hagerstown, MD
B+Overall grade129 students13 students per teacher
#10 Largest Private Schools in Washington County, MD
Highland View Academy
Seventh-day Adventist school · Grades 9–12
97 students
Hagerstown, MD
B+Overall grade97 students13 students per teacher
#11 Largest Private Schools in Washington County, MD
Truth Christian Academy
Church of God school · Grades Pre-K–12
91 students
Hagerstown, MD
A-Overall grade91 students9 students per teacher
#12 Largest Private Schools in Washington County, MD
Conocoheague Mennonite School
Mennonite school · Grades 1–10
28 students
Hagerstown, MD
B+Overall grade28 students9 students per teacher
#13 Largest Private Schools in Washington County, MD
Cedar Ridge School
Special education school · Grades 1–12
27 students
Williamsport, MD
AOverall gradeAll boys27 students4 students per teacher
From official public records, updated October 2026.