#1 Largest Private Schools in Clay County, FL
St. Johns Country Day School
Independent school · Grades Pre-K–12
460 students
Orange Park, FL
A+Overall grade460 students7 students per teacher
2026 lists
Largest Private Schools in Clay County, FL
The private schools in Clay County, FL with the most students. Top 10 of 10 schools.
#2 Largest Private Schools in Clay County, FL
Annunciation Catholic School
Parish school · Grades Pre-K–8
362 students
Middleburg, FL
B+Overall grade362 students15 students per teacher
#3 Largest Private Schools in Clay County, FL
Calvary Christian Academy
Baptist school · Grades K–12
138 students
Middleburg, FL
A+Overall grade138 students8 students per teacher
#4 Largest Private Schools in Clay County, FL
Grace Episcopal Day School
Episcopal school · Grades Pre-K–8
133 students
Orange Park, FL
A+Overall grade133 students8 students per teacher
#5 Largest Private Schools in Clay County, FL
Berean Christian Academy
Baptist school · Grades K–12
81 students
Orange Park, FL
A+Overall grade81 students7 students per teacher
#6 Largest Private Schools in Clay County, FL
Seven Bridges School
Alternative school · Grades K–12
57 students
Orange Park, FL
AOverall grade57 students7 students per teacher
#7 Largest Private Schools in Clay County, FL
Faith Christian Academy
Christian school (nondenominational) · Grades 1–12
40 students
Orange Park, FL
AOverall grade40 students8 students per teacher
#8 Largest Private Schools in Clay County, FL
Differentiated Learning Center
Special education school · Grades Pre-K–12
31 students
Orange Park, FL
A-Overall grade31 students4 students per teacher
#9 Largest Private Schools in Clay County, FL
Lighthouse Christian School Middleburg
Special education school · Grades 1–12
27 students
Middleburg, FL
B+Overall grade27 students9 students per teacher
#10 Largest Private Schools in Clay County, FL
Seamark Ranch
Baptist school · Grades 3–12
23 students
Green Cove Springs, FL
AOverall grade23 students5 students per teacher
From official public records, updated October 2026.