#1 Best Catholic Schools in Cook County, IL
Trinity High School
Independent Catholic school · Grades 9–12
100% of graduates go to four-year colleges
Chicago, IL
A+Overall gradeAll girls316 students11 students per teacher
2026 lists
Best Catholic Schools in Cook County, IL
The highest-graded schools of this kind in Cook County, IL. Top 50 of 144 schools.
#2 Best Catholic Schools in Cook County, IL
Frances Xavier Warde School
Independent Catholic school · Grades Pre-K–8
Smaller classes than 93% of Catholic schools in Illinois
Chicago, IL
A+Overall grade745 students6 students per teacher
#3 Best Catholic Schools in Cook County, IL
Regina Dominican HS
Independent Catholic school · Grades 9–12
The only all-girls school in Wilmette
Wilmette, IL
A+Overall gradeAll girls200 students8 students per teacher
#4 Best Catholic Schools in Cook County, IL
Mount Carmel High School
Independent Catholic school · Grades 9–12
94% of graduates go to four-year colleges
Chicago, IL
A+Overall gradeAll boys588 students11 students per teacher
#5 Best Catholic Schools in Cook County, IL
Northside Catholic Academy
Parish school · Grades Pre-K–8
Smaller classes than 75% of Catholic schools in Illinois
Chicago, IL
A+Overall grade267 students10 students per teacher
#6 Best Catholic Schools in Cook County, IL
Old St. Marys School
Parish school · Grades K–8
Smaller classes than 88% of Catholic schools in Illinois
Chicago, IL
A+Overall grade419 students8 students per teacher
#7 Best Catholic Schools in Cook County, IL
St. George School
Parish school · Grades Pre-K–8
The only Catholic school in Tinley Park
Tinley Park, IL
A+Overall grade128 students9 students per teacher
#8 Best Catholic Schools in Cook County, IL
St. Norbert School
Parish school · Grades Pre-K–8
The only Catholic school in Northbrook
Northbrook, IL
A+Overall grade123 students8 students per teacher
#9 Best Catholic Schools in Cook County, IL
Frances Xavier Warde School
Independent Catholic school · Grades 4–8
Smaller classes than 80% of Catholic schools in Illinois
Chicago, IL
A+Overall grade426 students9 students per teacher
#10 Best Catholic Schools in Cook County, IL
St. Constance School
Parish school · Grades Pre-K–8
Smaller classes than 76% of Catholic schools in Illinois
Chicago, IL
A+Overall grade116 students10 students per teacher
#11 Best Catholic Schools in Cook County, IL
Josephinum Academy of the Sacred Heart
Independent Catholic school · Grades 9–12
Smaller classes than 98% of Catholic schools in Illinois
Chicago, IL
A+Overall gradeAll girls90 students5 students per teacher
#12 Best Catholic Schools in Cook County, IL
Fenwick High School
Parish school · Grades 9–12
The largest Catholic school in Oak Park
Oak Park, IL
A+Overall grade1,024 students12 students per teacher
#13 Best Catholic Schools in Cook County, IL
Depaul College Prep
Independent Catholic school · Grades 9–12
One of the 3 largest Catholic schools in Illinois
Chicago, IL
A+Overall grade1,245 students11 students per teacher
#14 Best Catholic Schools in Cook County, IL
St. Edward School
Parish school · Grades Pre-K–8
Smaller classes than 62% of Catholic schools in Illinois
Chicago, IL
A+Overall grade232 students11 students per teacher
#15 Best Catholic Schools in Cook County, IL
St. Hilary School
Diocesan school · Grades Pre-K–8
Smaller classes than 81% of Catholic schools in Illinois
Chicago, IL
A+Overall grade109 students9 students per teacher
#16 Best Catholic Schools in Cook County, IL
Everest Academy
Independent Catholic school · Grades Pre-K–8
Smaller classes than 93% of Catholic schools in Illinois
Lemont, IL
A+Overall grade164 students7 students per teacher
#17 Best Catholic Schools in Cook County, IL
St. Germaine School
Parish school · Grades Pre-K–8
The smallest classes of any Catholic school in Oak Lawn
Oak Lawn, IL
A+Overall grade173 students12 students per teacher
#18 Best Catholic Schools in Cook County, IL
St. Catherine Laboure School
Parish school · Grades Pre-K–8
The only Catholic school in Glenview
Glenview, IL
A+Overall grade134 students10 students per teacher
#19 Best Catholic Schools in Cook County, IL
St. Gerald School
Diocesan school · Grades Pre-K–8
Serving families in Oak Lawn since at least 2011
Oak Lawn, IL
A+Overall grade233 students13 students per teacher
#20 Best Catholic Schools in Cook County, IL
The School of Saints Faith, Hope & Charity
Diocesan school · Grades Pre-K–8
Smaller classes than 94% of Catholic schools in Illinois
Winnetka, IL
A+Overall grade222 students6 students per teacher
#21 Best Catholic Schools in Cook County, IL
St. Luke School
Diocesan school · Grades Pre-K–8
The only Catholic school in River Forest
River Forest, IL
A+Overall grade247 students10 students per teacher
#22 Best Catholic Schools in Cook County, IL
St. Jerome School
Parish school · Grades Pre-K–8
Smaller classes than 82% of Catholic schools in Illinois
Chicago, IL
A+Overall grade104 students9 students per teacher
#23 Best Catholic Schools in Cook County, IL
Chicago Jesuit Academy
Independent Catholic school · Grades 3–8
Smaller classes than 88% of Catholic schools in Illinois
Chicago, IL
A+Overall grade246 students8 students per teacher
#24 Best Catholic Schools in Cook County, IL
Altus Academy
Independent Catholic school · Grades 1–8
Smaller classes than 89% of Catholic schools in Illinois
Chicago, IL
A+Overall grade76 students8 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.