#1 Largest Private Schools in Seminole County, FL
Circle Christian School
Christian school (nondenominational) · Grades K–12
1,068 students
Winter Springs, FL
B-Overall grade1,068 students26 students per teacher
2026 lists
Largest Private Schools in Seminole County, FL
The private schools in Seminole County, FL with the most students. Top 43 of 43 schools.
#2 Largest Private Schools in Seminole County, FL
Trinity Preparatory School
Episcopal school · Grades 6–12
890 students
Winter Park, FL
A+Overall grade890 students9 students per teacher
#3 Largest Private Schools in Seminole County, FL
The Geneva School
Presbyterian school · Grades Pre-K–12
661 students
Casselberry, FL
A+Overall grade661 students9 students per teacher
#4 Largest Private Schools in Seminole County, FL
Forest Lake Education Center
Seventh-day Adventist school · Grades Pre-K–8
654 students
Longwood, FL
BOverall grade654 students16 students per teacher
#5 Largest Private Schools in Seminole County, FL
St. Lukes Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
642 students
Oviedo, FL
BOverall grade642 students18 students per teacher
#6 Largest Private Schools in Seminole County, FL
Lake Mary Preparatory School
Independent school · Grades Pre-K–12
567 students
Lake Mary, FL
AOverall grade567 students11 students per teacher
#7 Largest Private Schools in Seminole County, FL
Annunciation Catholic Academy
Parish school · Grades K–8
521 students
Altamonte Springs, FL
B+Overall grade521 students17 students per teacher
#8 Largest Private Schools in Seminole County, FL
One School of the Arts
Assembly of God school · Grades Pre-K–12
496 students
Longwood, FL
A+Overall grade496 students10 students per teacher
#9 Largest Private Schools in Seminole County, FL
Orangewood Christian School
Presbyterian school · Grades Pre-K–6
495 students
Maitland, FL
BOverall grade495 students12 students per teacher
#10 Largest Private Schools in Seminole County, FL
Forest Lake Academy.
Seventh-day Adventist school · Grades 9–12
417 students
Apopka, FL
A+Overall grade417 students14 students per teacher
#11 Largest Private Schools in Seminole County, FL
Champion Preparatory Academy Fdoe #2474
Christian school (nondenominational) · Grades Pre-K–12
408 students
Longwood, FL
B-Overall grade408 students24 students per teacher
#12 Largest Private Schools in Seminole County, FL
Altamonte Christian School
Baptist school · Grades Pre-K–12
391 students
Altamonte Springs, FL
BOverall grade391 students12 students per teacher
#13 Largest Private Schools in Seminole County, FL
International Community School
Christian school (nondenominational) · Grades Pre-K–12
373 students
Winter Park, FL
B+Overall grade373 students12 students per teacher
#14 Largest Private Schools in Seminole County, FL
The Ecclesial School at St. Alban's
Christian school (nondenominational) · Grades K–8
244 students
Oviedo, FL
B+Overall grade244 students10 students per teacher
#15 Largest Private Schools in Seminole County, FL
Holy Cross Lutheran Academy Upper School
Lutheran (Missouri Synod) school · Grades 6–12
207 students
Sanford, FL
A+Overall grade207 students9 students per teacher
#16 Largest Private Schools in Seminole County, FL
All Souls Catholic School
Diocesan school · Grades Pre-K–8
197 students
Sanford, FL
A+Overall grade197 students15 students per teacher
#17 Largest Private Schools in Seminole County, FL
Holy Cross Lutheran Academy
Lutheran (Missouri Synod) school · Grades Pre-K–5
187 students
Sanford, FL
AOverall grade187 students10 students per teacher
#18 Largest Private Schools in Seminole County, FL
Lake Forrest Preparatory School
Independent school · Grades Pre-K–8
185 students
Maitland, FL
AOverall grade185 students10 students per teacher
#19 Largest Private Schools in Seminole County, FL
Forest City Adventist School
Seventh-day Adventist school · Grades Pre-K–8
181 students
Altamonte Springs, FL
BOverall grade181 students17 students per teacher
#20 Largest Private Schools in Seminole County, FL
Smith Preparatory Academy
Christian school (nondenominational) · Grades Pre-K–12
175 students
Casselberry, FL
B-Overall grade175 students14 students per teacher
#21 Largest Private Schools in Seminole County, FL
The Arbor School of Central Florida
Special education school · Grades K–12
157 students
Winter Springs, FL
B+Overall grade157 students8 students per teacher
#22 Largest Private Schools in Seminole County, FL
Longwood Christian Academy
Baptist school · Grades Pre-K–6
133 students
Longwood, FL
A+Overall grade133 students10 students per teacher
#23 Largest Private Schools in Seminole County, FL
Tuskawilla Montessori Academy
Montessori school · Grades Pre-K–8
128 students
Oviedo, FL
A-Overall grade128 students9 students per teacher
#24 Largest Private Schools in Seminole County, FL
City Church Academy
Assembly of God school · Grades Pre-K–6
125 students
Sanford, FL
A-Overall grade125 students11 students per teacher
From official public records, updated October 2026.