#1 Largest Private Schools in Port St. Lucie, FL
Morningside Academy
Quaker (Friends) school · Grades K–12
690 students
Port St. Lucie, FL
AOverall grade690 students12 students per teacher
2026 lists
Largest Private Schools in Port St. Lucie, FL
The private schools in Port St. Lucie, FL with the most students. Top 11 of 11 schools.
#2 Largest Private Schools in Port St. Lucie, FL
Calvary Christian Academy
Christian school (nondenominational) · Grades Pre-K–10
401 students
Port St. Lucie, FL
BOverall grade401 students15 students per teacher
#3 Largest Private Schools in Port St. Lucie, FL
Sunlight Christian Academy
Calvinist school · Grades Pre-K–8
376 students
Port St. Lucie, FL
BOverall grade376 students16 students per teacher
#4 Largest Private Schools in Port St. Lucie, FL
The Pure Academy
Christian school (nondenominational) · Grades K–11
195 students
Port St. Lucie, FL
B+Overall grade195 students12 students per teacher
#5 Largest Private Schools in Port St. Lucie, FL
Altitude Academies
Independent school · Grades 4–12
136 students
Port St. Lucie, FL
BOverall grade136 students17 students per teacher
#6 Largest Private Schools in Port St. Lucie, FL
Dalton Learning Center & Academy
Christian school (nondenominational) · Grades K–6
135 students
Port St. Lucie, FL
BOverall grade135 students17 students per teacher
#7 Largest Private Schools in Port St. Lucie, FL
Christ Lutheran School
Lutheran (Wisconsin Synod) school · Grades K–12
123 students
Port St. Lucie, FL
BOverall grade123 students15 students per teacher
#8 Largest Private Schools in Port St. Lucie, FL
Ivy League Academy
Independent school · Grades K–8
120 students
Port St. Lucie, FL
BOverall grade120 students17 students per teacher
#9 Largest Private Schools in Port St. Lucie, FL
Grace Christian Academy of St. Lucie County
Christian school (nondenominational) · Grades Pre-K–12
95 students
Port St. Lucie, FL
A+Overall grade95 students6 students per teacher
#10 Largest Private Schools in Port St. Lucie, FL
Grace Christian Academy of St. Lucie County
Christian school (nondenominational) · Grades Pre-K–12
95 students
Port St. Lucie, FL
A+Overall grade95 students6 students per teacher
#11 Largest Private Schools in Port St. Lucie, FL
Exceptional Academy for Differently-Abled Learners
Special education school · Grades K–8
48 students
Port St. Lucie, FL
B+Overall grade48 students16 students per teacher
From official public records, updated October 2026.