#1 Best Private Schools in the Diocese of Joliet
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 Private Schools in the Diocese of Joliet
Private schools in the Diocese of Joliet with the highest overall grades. Top 38 of 38 schools.
#2 Best Private Schools in the Diocese of Joliet
Noonan Elementary Academy
Independent Catholic school · Grades Pre-K–8
Smaller classes than 95% of Catholic schools in Illinois
Mokena, IL
A+Overall grade191 students5 students per teacher
#3 Best Private Schools in the Diocese of Joliet
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
#4 Best Private Schools in the Diocese of Joliet
Mother Teresa Catholic Academy
Parish school · Grades Pre-K–8
The only Catholic school in Crete
Crete, IL
A+Overall grade117 students11 students per teacher
#5 Best Private Schools in the Diocese of Joliet
St. Andrew the Apostle
Diocesan school · Grades Pre-K–8
The only Catholic school in Romeoville
Romeoville, IL
A+Overall grade144 students12 students per teacher
#6 Best Private Schools in the Diocese of Joliet
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
#7 Best Private Schools in the Diocese of Joliet
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
#8 Best Private Schools in the Diocese of Joliet
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
#9 Best Private Schools in the Diocese of Joliet
St. Joseph Catholic Elementary School
Diocesan school · Grades Pre-K–8
Smaller classes than 85% of Catholic schools in Illinois
Manhattan, IL
A+Overall grade142 students9 students per teacher
#10 Best Private Schools in the Diocese of Joliet
Immaculate Conception School
Diocesan school · Grades Pre-K–8
Smaller classes than 84% of Catholic schools in Illinois
Morris, IL
A+Overall grade116 students9 students per teacher
#11 Best Private Schools in the Diocese of Joliet
St. Paul the Apostle School
Diocesan school · Grades K–8
Serving families in Joliet since at least 2011
Joliet, IL
A+Overall grade145 students13 students per teacher
#12 Best Private Schools in the Diocese of Joliet
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
#13 Best Private Schools in the Diocese of Joliet
Bishop McNamara Catholic School,bourbonnais
Diocesan school · Grades Pre-K–5
Smaller classes than 68% of Catholic schools in Illinois
Bourbonnais, IL
A+Overall grade144 students11 students per teacher
#14 Best Private Schools in the Diocese of Joliet
St. Mary Immaculate Parish School
Diocesan school · Grades Pre-K–8
Serving families in Plainfield since at least 2011
Plainfield, IL
AOverall grade303 students13 students per teacher
#15 Best Private Schools in the Diocese of Joliet
St. Francis High School
Independent Catholic school · Grades 9–12
The only Catholic school in Wheaton
Wheaton, IL
AOverall grade703 students13 students per teacher
#16 Best Private Schools in the Diocese of Joliet
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
#17 Best Private Schools in the Diocese of Joliet
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
#18 Best Private Schools in the Diocese of Joliet
St. Isidore School
Diocesan school · Grades Pre-K–8
The only Catholic school in Bloomingdale
Bloomingdale, IL
B+Overall grade189 students14 students per teacher
#19 Best Private Schools in the Diocese of Joliet
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
#20 Best Private Schools in the Diocese of Joliet
St. Dennis and Joseph Catholic Academy
Diocesan school · Grades Pre-K–8
The only Catholic school in Lockport
Lockport, IL
B+Overall grade169 students12 students per teacher
#21 Best Private Schools in the Diocese of Joliet
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
#22 Best Private Schools in the Diocese of Joliet
St. Jude School
Diocesan school · Grades Pre-K–8
Growing: enrollment up 17% since 2011–12
New Lenox, IL
B+Overall grade162 students13 students per teacher
#23 Best Private Schools in the Diocese of Joliet
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
#24 Best Private Schools in the Diocese of Joliet
St. Mary Nativity School
Parish school · Grades Pre-K–8
Serving families in Joliet since at least 2011
Joliet, IL
B+Overall grade139 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.