#1 Best Private Schools in Naperville, IL
Naperville Christian Academy
Christian school (nondenominational) · Grades Pre-K–12
The smallest classes of any Christian school in Naperville
Naperville, IL
A+Overall grade126 students6 students per teacher
2026 lists
Best Private Schools in Naperville, IL
Private schools in Naperville, IL with the highest overall grades. Top 9 of 9 schools.
#2 Best Private Schools in Naperville, IL
Calvary Christian School
Christian school (nondenominational) · Grades Pre-K–8
The largest Christian school in Naperville
Naperville, IL
AOverall grade257 students10 students per teacher
#3 Best Private Schools in Naperville, IL
Icn Noor Academy
Islamic school · Grades Pre-K–5
Serving families in Naperville since at least 2011
Naperville, IL
AOverall grade112 students11 students per teacher
#4 Best Private Schools in Naperville, IL
All Saints Catholic Academy
Parish school · Grades Pre-K–8
Serving families in Naperville since at least 2011
Naperville, IL
A-Overall grade414 students14 students per teacher
#5 Best Private Schools in Naperville, IL
St. Raphael Catholic School
Diocesan school · Grades Pre-K–8
The smallest classes of any Catholic school in Naperville
Naperville, IL
A-Overall grade247 students13 students per teacher
#6 Best Private Schools in Naperville, IL
Covenant Classical School
Christian school (nondenominational) · Grades K–8
One of 4 Christian schools in Naperville
Naperville, IL
B+Overall grade109 students10 students per teacher
#7 Best Private Schools in Naperville, IL
Dupage Montessori School
Montessori school · Grades Pre-K–8
Growing: enrollment up 65% since 2011–12
Naperville, IL
B+Overall grade137 students9 students per teacher
#8 Best Private Schools in Naperville, IL
Bethany Lutheran Church and School
Lutheran (Missouri Synod) school · Grades Pre-K–8
Serving families in Naperville since at least 2011
Naperville, IL
BOverall grade165 students12 students per teacher
#9 Best Private Schools in Naperville, IL
Saints Peter & Paul School
Diocesan school · Grades Pre-K–8
The largest Catholic school in Naperville
Naperville, IL
B-Overall grade435 students17 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.