#1 Best Private Schools in Slidell, LA
Lakeside Christian Academy
Christian school (nondenominational) · Grades Pre-K–12
Smaller classes than 83% of Christian schools in Louisiana
Slidell, LA
A+Overall grade154 students6 students per teacher
2026 lists
Best Private Schools in Slidell, LA
Private schools in Slidell, LA with the highest overall grades. Top 5 of 5 schools.
#2 Best Private Schools in Slidell, LA
Pope John Paul II Catholic High School
Diocesan school · Grades 8–12
The smallest classes of any Catholic school in Slidell
Slidell, LA
B+Overall grade357 students14 students per teacher
#3 Best Private Schools in Slidell, LA
Our Lady of Lourdes Elementary School
Diocesan school · Grades Pre-K–7
Serving families in Slidell since at least 2011
Slidell, LA
BOverall grade301 students15 students per teacher
#4 Best Private Schools in Slidell, LA
Lake Castle Slidell Private School
Independent Catholic school · Grades Pre-K–8
One of 3 Catholic schools in Slidell
Slidell, LA
B-Overall grade336 students16 students per teacher
#5 Best Private Schools in Slidell, LA
First Baptist Christian School
Baptist school · Grades 1–12
The largest Christian school in Slidell
Slidell, LA
B-Overall grade278 students15 students per teacher
Grades compare each school's official facts, such as class size, how long it has served families and where graduates go, with similar schools. They're a starting point: visit, ask questions and trust what you see.