#1 Best Catholic Schools in Dupage County, IL
Ic Catholic Prep
Diocesan school · Grades 9–12
Smaller classes than 82% of Catholic schools in Illinois
Elmhurst, IL
A+Overall grade371 students9 students per teacher
2026 lists
Best Catholic Schools in Dupage County, IL
The highest-graded schools of this kind in Dupage County, IL. Top 22 of 22 schools.
#2 Best Catholic Schools in Dupage County, IL
St. Matthew School
Diocesan school · Grades Pre-K–8
Smaller classes than 91% of Catholic schools in Illinois
Glendale Heights, IL
A+Overall grade75 students8 students per teacher
#3 Best Catholic Schools in Dupage County, IL
St. Walter School
Parish school · Grades Pre-K–8
Smaller classes than 91% of Catholic schools in Illinois
Roselle, IL
A+Overall grade341 students8 students per teacher
#4 Best Catholic Schools in Dupage County, IL
Holy Trinity School
Parish school · Grades Pre-K–8
Smaller classes than 80% of Catholic schools in Illinois
Westmont, IL
A+Overall grade117 students9 students per teacher
#5 Best Catholic Schools in Dupage County, IL
Kingswood Academy
Independent Catholic school · Grades Pre-K–8
Smaller classes than 78% of Catholic schools in Illinois
Darien, IL
A+Overall grade127 students10 students per teacher
#6 Best Catholic Schools in Dupage County, IL
Notre Dame School
Diocesan school · Grades Pre-K–8
Smaller classes than 72% of Catholic schools in Illinois
Clarendon Hills, IL
A+Overall grade158 students10 students per teacher
#7 Best Catholic Schools in Dupage County, IL
St. Francis High School
Independent Catholic school · Grades 9–12
The only Catholic school in Wheaton
Wheaton, IL
AOverall grade703 students13 students per teacher
#8 Best Catholic Schools in Dupage County, 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
#9 Best Catholic Schools in Dupage County, 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
#10 Best Catholic Schools in Dupage County, IL
St. Alphonsus/St Patrick School
Diocesan school · Grades Pre-K–8
Smaller classes than 62% of Catholic schools in Illinois
Lemont, IL
B+Overall grade153 students11 students per teacher
#11 Best Catholic Schools in Dupage County, IL
St. Isidore School
Diocesan school · Grades Pre-K–8
The only Catholic school in Bloomingdale
Bloomingdale, IL
B+Overall grade189 students14 students per teacher
#12 Best Catholic Schools in Dupage County, IL
St. James the Apostle School
Parish school · Grades Pre-K–8
Serving families in Glen Ellyn since at least 2011
Glen Ellyn, IL
B+Overall grade163 students13 students per teacher
#13 Best Catholic Schools in Dupage County, IL
St. Pius X Elementary School
Parish school · Grades Pre-K–8
The only Catholic school in Lombard
Lombard, IL
B+Overall grade300 students14 students per teacher
#14 Best Catholic Schools in Dupage County, IL
St. Joan of Arc
Parish school · Grades Pre-K–8
Serving families in Lisle since at least 2011
Lisle, IL
B+Overall grade308 students14 students per teacher
#15 Best Catholic Schools in Dupage County, IL
St. Joseph
Diocesan school · Grades Pre-K–8
Serving families in Downers Grove since at least 2011
Downers Grove, IL
BOverall grade371 students16 students per teacher
#16 Best Catholic Schools in Dupage County, IL
St. Philip the Apostle School
Diocesan school · Grades Pre-K–8
Serving families in Addison since at least 2011
Addison, IL
BOverall grade237 students17 students per teacher
#17 Best Catholic Schools in Dupage County, IL
St. Scholastica Parish School
Parish school · Grades K–8
Serving families in Woodridge since at least 2011
Woodridge, IL
BOverall grade203 students17 students per teacher
#18 Best Catholic Schools in Dupage County, IL
St. Mary of Gostyn Catholic School
Parish school · Grades Pre-K–8
One of 2 Catholic schools in Downers Grove
Downers Grove, IL
BOverall grade419 students15 students per teacher
#19 Best Catholic Schools in Dupage County, IL
St. John the Baptist Catholic School
Diocesan school · Grades Pre-K–8
A Catholic school in Winfield
Winfield, IL
B-Overall grade177 students16 students per teacher
#20 Best Catholic Schools in Dupage County, IL
Immaculate Conception Grade School
Diocesan school · Grades Pre-K–8
One of 2 Catholic schools in Elmhurst
Elmhurst, IL
B-Overall grade468 students18 students per teacher
#21 Best Catholic Schools in Dupage County, IL
St. Petronille School
Diocesan school · Grades Pre-K–8
Serving families in Glen Ellyn since at least 2011
Glen Ellyn, IL
B-Overall grade493 students18 students per teacher
#22 Best Catholic Schools in Dupage County, 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.