#1 Largest Private Schools in St. Lucie County, 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 St. Lucie County, FL
The private schools in St. Lucie County, FL with the most students. Top 25 of 25 schools.
#2 Largest Private Schools in St. Lucie County, FL
St. Anastasia Catholic School
Parish school · Grades Pre-K–8
515 students
Fort Pierce, FL
BOverall grade515 students22 students per teacher
#3 Largest Private Schools in St. Lucie County, FL
Calvary Christian Academy
Christian school (nondenominational) · Grades Pre-K–10
401 students
Port St. Lucie, FL
BOverall grade401 students15 students per teacher
#4 Largest Private Schools in St. Lucie County, FL
Sunlight Christian Academy
Calvinist school · Grades Pre-K–8
376 students
Port St. Lucie, FL
BOverall grade376 students16 students per teacher
#5 Largest Private Schools in St. Lucie County, FL
Synergy School of Tomorrow DBA Synergy Magnet K-12
Christian school (nondenominational) · Grades Pre-K–5
356 students
Fort Pierce, FL
BOverall grade356 students18 students per teacher
#6 Largest Private Schools in St. Lucie County, FL
Liberty Baptist Academy
Baptist school · Grades Pre-K–12
336 students
Fort Pierce, FL
BOverall grade336 students14 students per teacher
#7 Largest Private Schools in St. Lucie County, FL
St. Andrew's Episcopal Academy
Episcopal school · Grades Pre-K–12
289 students
Fort Pierce, FL
A+Overall grade289 students10 students per teacher
#8 Largest Private Schools in St. Lucie County, FL
Synergy School of Tomorrow
Christian school (nondenominational) · Grades 9–12
241 students
Fort Pierce, FL
BOverall grade241 students24 students per teacher
#9 Largest Private Schools in St. Lucie County, FL
St. James Academy
Alternative school · Grades 9–12
200 students
Fort Pierce, FL
B-Overall grade200 students
#10 Largest Private Schools in St. Lucie County, FL
The Pure Academy
Christian school (nondenominational) · Grades K–11
195 students
Port St. Lucie, FL
B+Overall grade195 students12 students per teacher
#11 Largest Private Schools in St. Lucie County, FL
Altitude Academies
Independent school · Grades 4–12
136 students
Port St. Lucie, FL
BOverall grade136 students17 students per teacher
#12 Largest Private Schools in St. Lucie County, FL
Dalton Learning Center & Academy
Christian school (nondenominational) · Grades K–6
135 students
Port St. Lucie, FL
BOverall grade135 students17 students per teacher
#13 Largest Private Schools in St. Lucie County, FL
Christ Lutheran School
Lutheran (Wisconsin Synod) school · Grades K–12
123 students
Port St. Lucie, FL
BOverall grade123 students15 students per teacher
#14 Largest Private Schools in St. Lucie County, FL
Ivy League Academy
Independent school · Grades K–8
120 students
Port St. Lucie, FL
BOverall grade120 students17 students per teacher
#15 Largest Private Schools in St. Lucie County, FL
Sun Grove Montessori School
Montessori school · Grades Pre-K–8
110 students
Fort Pierce, FL
A+Overall grade110 students7 students per teacher
#16 Largest Private Schools in St. Lucie County, 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
#17 Largest Private Schools in St. Lucie County, 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
#18 Largest Private Schools in St. Lucie County, FL
Sunrise Academy of Excellence
Independent school · Grades K–5
86 students
Fort Pierce, FL
BOverall grade86 students12 students per teacher
#19 Largest Private Schools in St. Lucie County, FL
Loving Care Young Achievers Club
Christian school (nondenominational) · Grades Pre-K–11
70 students
Fort Pierce, FL
A+Overall grade70 students8 students per teacher
#20 Largest Private Schools in St. Lucie County, FL
Jes Memorial SDA School
Seventh-day Adventist school · Grades K–8
59 students
Fort Pierce, FL
B+Overall grade59 students15 students per teacher
#21 Largest Private Schools in St. Lucie County, FL
Destined for Greatness Christian Academy
Christian school (nondenominational) · Grades K–8
50 students
Fort Pierce, FL
B+Overall grade50 students10 students per teacher
#22 Largest Private Schools in St. Lucie County, 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
#23 Largest Private Schools in St. Lucie County, FL
Zoe Live Creative Arts Academy
Christian school (nondenominational) · Grades K–10
47 students
Fort Pierce, FL
B+Overall grade47 students12 students per teacher
#24 Largest Private Schools in St. Lucie County, FL
The Lindsay School of the Arts
Independent school · Grades 5–12
32 students
Fort Pierce, FL
B+Overall grade32 students11 students per teacher
From official public records, updated October 2026.