Keystone Montessori School
Montessori school · Grades Pre-K–8
River Forest, IL
7415 N Ave, River Forest, IL 60305
Overall grade: A-
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- B+Class size
- A-Years serving families
What stands out
- The only Montessori school in River Forest
- Small classes: about 6 students per teacher
- Serving families in River Forest since at least 2011
In River Forest, Illinois, Keystone Montessori School is a Montessori school for students from pre-K through 8th grade. About 33 students attend, with roughly 7 students per teacher. It has been listed in official private school records since 2011–12. The school day runs about 6.5 hours, 188 days a year.
At a glance
- Grades
- Grades Pre-K–8
- Students
- 33
- Teachers
- 5.1 (full-time equivalent)
- Students per teacher
- 6.5
- Boys and girls
- Coed · 22 girls, 11 boys
- Religious affiliation
- None (nonsectarian)
- Program
- Montessori
- School day
- About 6.5 hours
- School year
- 188 days
- Library
- Yes
Reviews
Be the first to share what you love about Keystone Montessori School.
How it compares
- A smaller school: fewer students than 61% of Montessori elementary schools in Illinois.
- Compared with 46 Montessori elementary schools in Illinois.
Students by survey year
Total students reported in official records since 2011–12.
Students by grade
Student body
Member of
- American Montessori Society
- Association Montessori Internationale
Questions to ask on a tour
- What is tuition, and what does it include (books, fees, uniforms, trips)?
- Do you offer financial aid, sibling discounts or payment plans?
- Do you accept ESA, voucher or tax-credit scholarship funds?
- How big are classes in my child's grade?
- What support is there for students who need extra help or more challenge?
- Is the school accredited, and by whom?
- What do a typical day and a typical week look like?
- How does the school communicate with families?
Questions about Keystone Montessori School
What grades does Keystone Montessori School serve?
Keystone Montessori School serves grades Pre-K–8.
How many students attend Keystone Montessori School?
About 33 students, with 7 students per teacher, according to official records.
How much is tuition at Keystone Montessori School?
Call the school to ask about tuition, financial aid and payment plans.
Official record · Updated October 2026 · Official search · Something wrong? Tell us
Other private schools nearby
Trinity High School
Independent Catholic school · Grades 9–12
100% of graduates go to four-year colleges
Chicago, IL0.5 mi
Grace Lutheran School
Lutheran school · Grades Pre-K–8
The only Christian school in River Forest
River Forest, IL0.6 mi
Concordia Univ Early Childhood Education Center
Early childhood program · Grades Pre-K–K
The only preschool in River Forest
River Forest, IL0.6 mi
St. Giles School
Diocesan school · Grades Pre-K–8
The smallest classes of any Catholic school in Oak Park
Oak Park, IL1.0 mi
St. Luke School
Diocesan school · Grades Pre-K–8
The only Catholic school in River Forest
River Forest, IL1.4 mi
Alcuin Montessori School
Montessori school · Grades Pre-K–8
The smallest classes of any Montessori school in Oak Park
Oak Park, IL1.4 mi