#1 Best Montessori Schools in Illinois
Intercultural Montessori Language School
Montessori school · Grades Pre-K–8
Smaller classes than 67% of Montessori schools in Illinois
Chicago, IL
A+Overall grade133 students4 students per teacher
2026 lists
Best Montessori Schools in Illinois
The highest-graded schools of this kind in Illinois. Top 21 of 21 schools.
#2 Best Montessori Schools in Illinois
Alcuin Montessori School
Montessori school · Grades Pre-K–8
The smallest classes of any Montessori school in Oak Park
Oak Park, IL
A+Overall grade90 students3 students per teacher
#3 Best Montessori Schools in Illinois
Montessori Academy of Chicago
Montessori school · Grades Pre-K–6
The smallest classes of any Montessori school in Chicago
Chicago, IL
A+Overall grade72 students3 students per teacher
#4 Best Montessori Schools in Illinois
Beacon Academy
Independent school · Grades 9–12
100% of graduates go to four-year colleges
Evanston, IL
A+Overall grade155 students7 students per teacher
#5 Best Montessori Schools in Illinois
Crystal Lake Montessori School
Montessori school · Grades Pre-K–8
The only Montessori school in Woodstock
Woodstock, IL
A+Overall grade76 students3 students per teacher
#6 Best Montessori Schools in Illinois
Chiaravalle Montessori School
Montessori school · Grades Pre-K–8
The only Montessori school in Evanston
Evanston, IL
AOverall grade198 students6 students per teacher
#7 Best Montessori Schools in Illinois
Near North Montessori
Montessori school · Grades Pre-K–8
The largest of 52 Montessori schools in Illinois
Chicago, IL
AOverall grade375 students8 students per teacher
#8 Best Montessori Schools in Illinois
Montessori Academy of Chicago
Montessori school · Grades Pre-K–5
One of the most diverse private schools in Illinois
Chicago, IL
AOverall grade145 students7 students per teacher
#9 Best Montessori Schools in Illinois
Country Meadows Montessori School
Montessori school · Grades Pre-K–8
Small classes: about 8 students per teacher
Gurnee, IL
AOverall grade72 students8 students per teacher
#10 Best Montessori Schools in Illinois
Montessori School of Champaign-Urbana
Montessori school · Grades Pre-K–6
Serving families in Savoy since at least 2011
Savoy, IL
A-Overall grade81 students8 students per teacher
#11 Best Montessori Schools in Illinois
Montessori School of Lemont
Montessori school · Grades Pre-K–9
The only Montessori school in Lemont
Lemont, IL
A-Overall grade95 students11 students per teacher
#12 Best Montessori Schools in Illinois
Montessori School of Lake Forest
Montessori school · Grades Pre-K–8
The only Montessori school in Lake Forest
Lake Forest, IL
A-Overall grade68 students7 students per teacher
#13 Best Montessori Schools in Illinois
Montessori Childrens House
Montessori school · Grades Pre-K–7
The only Montessori school in Godfrey
Godfrey, IL
B+Overall grade63 students5 students per teacher
#14 Best Montessori Schools in Illinois
Rogers Park Montessori School
Montessori school · Grades Pre-K–8
One of the 3 largest Montessori schools in Illinois
Chicago, IL
B+Overall grade249 students7 students per teacher
#15 Best Montessori Schools in Illinois
Guidepost Montessori at Magnificent Mile
Montessori school · Grades K–6
Smaller classes than 80% of Montessori schools in Illinois
Chicago, IL
B+Overall grade150 students4 students per teacher
#16 Best Montessori Schools in Illinois
Wheaton Montessori School
Montessori school · Grades Pre-K–9
The only Montessori school in Wheaton
Wheaton, IL
B+Overall grade119 students12 students per teacher
#17 Best Montessori Schools in Illinois
Dupage Montessori School
Montessori school · Grades Pre-K–8
Growing: enrollment up 65% since 2011–12
Naperville, IL
B+Overall grade137 students9 students per teacher
#18 Best Montessori Schools in Illinois
Lupine Montessori School
Montessori school · Grades Pre-K–9
The only Montessori school in Lockport
Lockport, IL
BOverall grade65 students13 students per teacher
#19 Best Montessori Schools in Illinois
Institute of Islamic Education
Islamic · Montessori · Grades 6–12
The only Montessori school in Elgin
Elgin, IL
BOverall grade73 students12 students per teacher
#20 Best Montessori Schools in Illinois
Ilm Montessori
Islamic · Montessori · Grades Pre-K–5
The only Montessori school in Lombard
Lombard, IL
B-Overall grade81 students16 students per teacher
#21 Best Montessori Schools in Illinois
Forest Bluff Montessori School
Montessori school · Grades Pre-K–8
A Montessori school in Lake Bluff
Lake Bluff, IL
B-Overall grade116 students13 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.