#1 Largest Private Schools in Louisiana
Mount Carmel Academy
Independent Catholic school · Grades 8–12
1,202 students
New Orleans, LA
A+Overall gradeAll girls1,202 students10 students per teacher
2026 lists
Largest Private Schools in Louisiana
The private schools in Louisiana with the most students. Top 50 of 262 schools.
#2 Largest Private Schools in Louisiana
Catholic High School
Independent Catholic school · Grades 8–12
1,125 students
Baton Rouge, LA
A+Overall gradeAll boys1,125 students12 students per teacher
#3 Largest Private Schools in Louisiana
St. Joseph's Academy
Independent Catholic school · Grades 9–12
1,113 students
Baton Rouge, LA
B-Overall gradeAll girls1,113 students17 students per teacher
#4 Largest Private Schools in Louisiana
Our Lady of Mercy School
Parish school · Grades Pre-K–8
1,102 students
Baton Rouge, LA
B-Overall grade1,102 students22 students per teacher
#5 Largest Private Schools in Louisiana
Parkview Baptist School
Baptist school · Grades Pre-K–12
1,039 students
Baton Rouge, LA
A+Overall grade1,039 students5 students per teacher
#6 Largest Private Schools in Louisiana
St. Thomas More Catholic High School
Diocesan school · Grades 9–12
1,018 students
Lafayette, LA
A+Overall grade1,018 students9 students per teacher
#7 Largest Private Schools in Louisiana
Isidore Newman School
Independent school · Grades Pre-K–12
1,004 students
New Orleans, LA
A+Overall grade1,004 students7 students per teacher
#8 Largest Private Schools in Louisiana
Lafayette Christian Academy
Christian school (nondenominational) · Grades Pre-K–12
957 students
Lafayette, LA
B-Overall grade957 students16 students per teacher
#9 Largest Private Schools in Louisiana
Calvary Baptist Academy
Baptist school · Grades Pre-K–12
925 students
Shreveport, LA
B-Overall grade925 students12 students per teacher
#10 Largest Private Schools in Louisiana
Northlake Christian
Christian school (nondenominational) · Grades K–12
922 students
Covington, LA
B-Overall grade922 students
#11 Largest Private Schools in Louisiana
Episcopal High School
Episcopal school · Grades Pre-K–12
899 students
Baton Rouge, LA
A+Overall grade899 students10 students per teacher
#12 Largest Private Schools in Louisiana
Our Lady of Mercy Elementary School
Diocesan school · Grades Pre-K–8
875 students
Baton Rouge, LA
B+Overall grade875 students13 students per teacher
#13 Largest Private Schools in Louisiana
Teurlings Catholic High School
Diocesan school · Grades 9–12
874 students
Lafayette, LA
B-Overall grade874 students16 students per teacher
#14 Largest Private Schools in Louisiana
St. Pauls High School
Independent Catholic school · Grades 8–12
865 students
Covington, LA
AOverall gradeAll boys865 students13 students per teacher
#15 Largest Private Schools in Louisiana
Holy Cross School
Independent Catholic school · Grades Pre-K–12
796 students
New Orleans, LA
AOverall gradeAll boys796 students9 students per teacher
#16 Largest Private Schools in Louisiana
Our Lady of Fatima School
Diocesan school · Grades Pre-K–8
795 students
Lafayette, LA
B-Overall grade795 students15 students per teacher
#17 Largest Private Schools in Louisiana
St. Marys Dominican High School
Independent Catholic school · Grades 8–12
776 students
New Orleans, LA
AOverall gradeAll girls776 students15 students per teacher
#18 Largest Private Schools in Louisiana
Edward Douglas White Catholic High School
Diocesan school · Grades 8–12
770 students
Thibodaux, LA
AOverall grade770 students12 students per teacher
#19 Largest Private Schools in Louisiana
Christian Brothers School- Canal Street Campus
Independent Catholic school · Grades Pre-K–7
750 students
New Orleans, LA
BOverall grade750 students13 students per teacher
#20 Largest Private Schools in Louisiana
St. Catherine of Siena
Diocesan school · Grades Pre-K–7
736 students
Metairie, LA
BOverall grade736 students14 students per teacher
#21 Largest Private Schools in Louisiana
Ouachita Christian School
Church of Christ school · Grades Pre-K–12
719 students
Monroe, LA
B+Overall grade719 students10 students per teacher
#22 Largest Private Schools in Louisiana
Oak Forest Academy
Independent school · Grades Pre-K–12
717 students
Amite, LA
B-Overall grade717 students16 students per teacher
#23 Largest Private Schools in Louisiana
Cathedral-Carmel School
Diocesan school · Grades Pre-K–8
715 students
Lafayette, LA
B-Overall grade715 students17 students per teacher
#24 Largest Private Schools in Louisiana
The Dunham School
Christian school (nondenominational) · Grades Pre-K–12
713 students
Baton Rouge, LA
AOverall grade713 students5 students per teacher
From official public records, updated October 2026.