#1 Most Diverse Private Schools in Illinois
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 Illinois
Private schools in Illinois with the most varied mix of students. Top 50 of 641 schools.
#2 Most Diverse Private Schools in Illinois
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 Illinois
Holy Family Parish School
Diocesan school · Grades Pre-K–8
Largest group: 32% of students
Peoria, IL
A+Overall grade97 students7 students per teacher
#4 Most Diverse Private Schools in Illinois
St. Matthew School
Diocesan school · Grades Pre-K–8
Largest group: 32% of students
Glendale Heights, IL
A+Overall grade75 students8 students per teacher
#5 Most Diverse Private Schools in Illinois
Gurnee Christian Academy
Seventh-day Adventist school · Grades Pre-K–12
Largest group: 32% of students
Gurnee, IL
AOverall grade74 students11 students per teacher
#6 Most Diverse Private Schools in Illinois
Daystar Academy
Christian school (nondenominational) · Grades Pre-K–12
Largest group: 33% of students
Chicago, IL
A+Overall grade271 students7 students per teacher
#7 Most Diverse Private Schools in Illinois
Covenant Christian School
Christian school (nondenominational) · Grades Pre-K–10
Largest group: 33% of students
Aurora, IL
AOverall grade67 students9 students per teacher
#8 Most Diverse Private Schools in Illinois
Northshore Adventist Academy
Seventh-day Adventist school · Grades Pre-K–10
Largest group: 33% of students
Chicago, IL
AOverall grade55 students10 students per teacher
#9 Most Diverse Private Schools in Illinois
The Field School
Christian school (nondenominational) · Grades Pre-K–8
Largest group: 34% of students
Oak Park, IL
BOverall grade227 students14 students per teacher
#10 Most Diverse Private Schools in Illinois
Lake County Christian Academy
Baptist school · Grades Pre-K–12
Largest group: 34% of students
Waukegan, IL
A+Overall grade142 students10 students per teacher
#11 Most Diverse Private Schools in Illinois
Helping Hand School
Special education school · Grades K–12
Largest group: 34% of students
La Grange, IL
A-Overall grade68 students8 students per teacher
#12 Most Diverse Private Schools in Illinois
Quad Cities Christian School Elementary
Christian school (nondenominational) · Grades Pre-K–5
Largest group: 35% of students
Moline, IL
A+Overall grade130 students9 students per teacher
#13 Most Diverse Private Schools in Illinois
Parkland Preparatory Academy
Special education school · Grades K–12
Largest group: 36% of students
Bartlett, IL
B-Overall grade215 students7 students per teacher
#14 Most Diverse Private Schools in Illinois
Montessori Academy of Chicago
Montessori school · Grades Pre-K–6
Largest group: 36% of students
Chicago, IL
A+Overall grade72 students3 students per teacher
#15 Most Diverse Private Schools in Illinois
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
#16 Most Diverse Private Schools in Illinois
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
#17 Most Diverse Private Schools in Illinois
Grace Lutheran School
Lutheran school · Grades Pre-K–8
Largest group: 39% of students
River Forest, IL
A+Overall grade175 students11 students per teacher
#18 Most Diverse Private Schools in Illinois
Hinsdale Adventist Academy
Seventh-day Adventist school · Grades Pre-K–12
Largest group: 39% of students
Hinsdale, IL
AOverall grade160 students11 students per teacher
#19 Most Diverse Private Schools in Illinois
Icc Elementary School
Islamic school · Grades Pre-K–8
Largest group: 39% of students
Chicago, IL
AOverall grade153 students9 students per teacher
#20 Most Diverse Private Schools in Illinois
Marklund Day School
Special education school · Grades K–12
Largest group: 39% of students
Bloomingdale, IL
A-Overall grade66 students4 students per teacher
#21 Most Diverse Private Schools in Illinois
Covenant Christian School
Christian school (nondenominational) · Grades Pre-K–10
Largest group: 39% of students
Aurora, IL
AOverall grade66 students8 students per teacher
#22 Most Diverse Private Schools in Illinois
Knapp School and Yeshiva
Special education school · Grades 4–12
Largest group: 39% of students
Chicago, IL
AOverall grade54 students4 students per teacher
#23 Most Diverse Private Schools in Illinois
Calvary Christian School
Christian school (nondenominational) · Grades Pre-K–8
Largest group: 40% of students
Naperville, IL
AOverall grade257 students10 students per teacher
#24 Most Diverse Private Schools in Illinois
Gems World Academy Chicago
Independent school · Grades Pre-K–12
Largest group: 40% of students
Chicago, IL
A+Overall grade196 students3 students per teacher
From official public records, updated October 2026.