#1 Largest Private Schools in Harrison County, MS
St. Patrick Catholic High School
Diocesan school · Grades 7–12
651 students
Biloxi, MS
BOverall grade651 students14 students per teacher
2026 lists
Largest Private Schools in Harrison County, MS
The private schools in Harrison County, MS with the most students. Top 11 of 11 schools.
#2 Largest Private Schools in Harrison County, MS
Christian Collegiate Academy
Baptist school · Grades Pre-K–12
407 students
Gulfport, MS
B-Overall grade407 students11 students per teacher
#3 Largest Private Schools in Harrison County, MS
St. Vincent De Paul
Diocesan school · Grades Pre-K–6
291 students
Long Beach, MS
B-Overall grade291 students16 students per teacher
#4 Largest Private Schools in Harrison County, MS
Sacred Heart Elementary
Diocesan school · Grades Pre-K–6
179 students
Diberville, MS
BOverall grade179 students14 students per teacher
#5 Largest Private Schools in Harrison County, MS
Our Lady of Fatima School
Parish school · Grades Pre-K–6
147 students
Biloxi, MS
BOverall grade147 students14 students per teacher
#6 Largest Private Schools in Harrison County, MS
Hope Academy at Florence Gardens
Independent school · Grades Pre-K–8
134 students
Gulfport, MS
BOverall grade134 students9 students per teacher
#7 Largest Private Schools in Harrison County, MS
Coast Episcopal School
Episcopal school · Grades Pre-K–6
126 students
Long Beach, MS
A+Overall grade126 students5 students per teacher
#8 Largest Private Schools in Harrison County, MS
Nativity BVM Catholic Elementary School
Parish school · Grades Pre-K–6
122 students
Biloxi, MS
B+Overall grade122 students11 students per teacher
#9 Largest Private Schools in Harrison County, MS
Temple Christian Academy
Baptist school · Grades Pre-K–12
48 students
Gulfport, MS
AOverall grade48 students5 students per teacher
#10 Largest Private Schools in Harrison County, MS
Sage Christian Academy
Christian school (nondenominational) · Grades Pre-K–6
44 students
Saucier, MS
B+Overall grade44 students9 students per teacher
#11 Largest Private Schools in Harrison County, MS
Gulf Oaks Therapeutic Day School
Special education school · Grades 3–10
22 students
Biloxi, MS
A-Overall grade22 students7 students per teacher
From official public records, updated October 2026.