#1 Most Diverse Private Schools in Cook County, IL
Bethesda International Academy
Lutheran (Missouri Synod) school · Grades Pre-K–8
Largest group: 28% of students
Chicago, IL
A+Overall grade50 students7 students per teacher
2026 lists
Most Diverse Private Schools in Cook County, IL
Private schools in Cook County, IL with the most varied mix of students. Top 50 of 282 schools.
#2 Most Diverse Private Schools in Cook County, IL
Montessori Academy of Chicago
Montessori school · Grades Pre-K–5
Largest group: 32% of students
Chicago, IL
AOverall grade145 students7 students per teacher
#3 Most Diverse Private Schools in Cook County, IL
Daystar Academy
Christian school (nondenominational) · Grades Pre-K–12
Largest group: 33% of students
Chicago, IL
A+Overall grade271 students7 students per teacher
#4 Most Diverse Private Schools in Cook County, IL
Northshore Adventist Academy
Seventh-day Adventist school · Grades Pre-K–10
Largest group: 33% of students
Chicago, IL
AOverall grade55 students10 students per teacher
#5 Most Diverse Private Schools in Cook County, IL
The Field School
Christian school (nondenominational) · Grades Pre-K–8
Largest group: 34% of students
Oak Park, IL
BOverall grade227 students14 students per teacher
#6 Most Diverse Private Schools in Cook County, IL
Helping Hand School
Special education school · Grades K–12
Largest group: 34% of students
La Grange, IL
A-Overall grade68 students8 students per teacher
#7 Most Diverse Private Schools in Cook County, IL
Parkland Preparatory Academy
Special education school · Grades K–12
Largest group: 36% of students
Bartlett, IL
B-Overall grade215 students7 students per teacher
#8 Most Diverse Private Schools in Cook County, IL
Montessori Academy of Chicago
Montessori school · Grades Pre-K–6
Largest group: 36% of students
Chicago, IL
A+Overall grade72 students3 students per teacher
#9 Most Diverse Private Schools in Cook County, IL
Council Oak Montessori School
Montessori school · Grades Pre-K–8
Largest group: 38% of students
Blue Island, IL
B+Overall grade53 students11 students per teacher
#10 Most Diverse Private Schools in Cook County, IL
North Shore Country Day School
Independent school · Grades Pre-K–12
Largest group: 39% of students
Winnetka, IL
A+Overall grade510 students6 students per teacher
#11 Most Diverse Private Schools in Cook County, IL
Grace Lutheran School
Lutheran school · Grades Pre-K–8
Largest group: 39% of students
River Forest, IL
A+Overall grade175 students11 students per teacher
#12 Most Diverse Private Schools in Cook County, IL
Hinsdale Adventist Academy
Seventh-day Adventist school · Grades Pre-K–12
Largest group: 39% of students
Hinsdale, IL
AOverall grade160 students11 students per teacher
#13 Most Diverse Private Schools in Cook County, IL
Icc Elementary School
Islamic school · Grades Pre-K–8
Largest group: 39% of students
Chicago, IL
AOverall grade153 students9 students per teacher
#14 Most Diverse Private Schools in Cook County, IL
Knapp School and Yeshiva
Special education school · Grades 4–12
Largest group: 39% of students
Chicago, IL
AOverall grade54 students4 students per teacher
#15 Most Diverse Private Schools in Cook County, IL
Gems World Academy Chicago
Independent school · Grades Pre-K–12
Largest group: 40% of students
Chicago, IL
A+Overall grade196 students3 students per teacher
#16 Most Diverse Private Schools in Cook County, IL
Pope Francis Global Academy
Diocesan school · Grades Pre-K–8
Largest group: 40% of students
Chicago, IL
BOverall grade182 students17 students per teacher
#17 Most Diverse Private Schools in Cook County, IL
Icc Elementary School
Islamic school · Grades Pre-K–8
Largest group: 40% of students
Chicago, IL
A+Overall grade153 students10 students per teacher
#18 Most Diverse Private Schools in Cook County, IL
Intercultural Montessori Language School
Montessori school · Grades Pre-K–8
Largest group: 40% of students
Chicago, IL
A+Overall grade133 students4 students per teacher
#19 Most Diverse Private Schools in Cook County, IL
Acacia Academy
Special education school · Grades 5–12
Largest group: 40% of students
Burr Ridge, IL
B+Overall grade85 students7 students per teacher
#20 Most Diverse Private Schools in Cook County, IL
Mount Carmel High School
Independent Catholic school · Grades 9–12
Largest group: 41% of students
Chicago, IL
A+Overall gradeAll boys588 students11 students per teacher
#21 Most Diverse Private Schools in Cook County, IL
Trinity High School
Independent Catholic school · Grades 9–12
Largest group: 41% of students
Chicago, IL
A+Overall gradeAll girls316 students11 students per teacher
#22 Most Diverse Private Schools in Cook County, IL
Chicago Free School
Independent school · Grades Pre-K–8
Largest group: 41% of students
Chicago, IL
AOverall grade54 students6 students per teacher
#23 Most Diverse Private Schools in Cook County, IL
St. Germaine School
Parish school · Grades Pre-K–8
Largest group: 42% of students
Oak Lawn, IL
A+Overall grade173 students12 students per teacher
#24 Most Diverse Private Schools in Cook County, IL
Near North Montessori
Montessori school · Grades Pre-K–8
Largest group: 43% of students
Chicago, IL
AOverall grade375 students8 students per teacher
From official public records, updated October 2026.