#1 Largest Private Schools in Florissant, MO
Sacred Heart Catholic School
Parish school · Grades Pre-K–8
363 students
Florissant, MO
B-Overall grade363 students16 students per teacher
2026 lists
Largest Private Schools in Florissant, MO
The private schools in Florissant, MO with the most students. Top 6 of 6 schools.
#2 Largest Private Schools in Florissant, MO
North County Christian School
Christian school (nondenominational) · Grades Pre-K–12
258 students
Florissant, MO
BOverall grade258 students11 students per teacher
#3 Largest Private Schools in Florissant, MO
All Saints Academy - St. Norbert Campus
Diocesan school · Grades Pre-K–8
211 students
Florissant, MO
BOverall grade211 students16 students per teacher
#4 Largest Private Schools in Florissant, MO
Grace Christian Academy
Christian school (nondenominational) · Grades K–8
54 students
Florissant, MO
A+Overall grade54 students5 students per teacher
#5 Largest Private Schools in Florissant, MO
Oak Bridge
Independent school · Grades Pre-K–6
38 students
Florissant, MO
B+Overall grade38 students13 students per teacher
#6 Largest Private Schools in Florissant, MO
Oltc Institute
Independent school · Grades 3–12
26 students
Florissant, MO
AOverall gradeAll boys26 students4 students per teacher
From official public records, updated October 2026.