Looking for the best Montessori school in Thornhill? We ranked the top 4 schools in Thornhill, Ontario by verified Google rating, review volume and accreditation. Each campus listed below is an authentic Montessori program — many accredited by AMI, AMS or CCMA — serving toddler, primary and elementary ages. MontessoriCity verifies every school directly with the operator. Updated June 2026.
4
Schools ranked
3.5 ⭐
Avg rating
0
AMI/AMS accredited
June 2026
Updated
Rose Montessori French school is a Montessori school located in Thornhill, Ontario.
View Rose Montessori French school full profile →Dream Tree Montessori School is a Montessori school located in Thornhill, Ontario.
View Dream Tree Montessori School full profile →Lifetime Skills Academy (LSA) is a Montessori school located in Thornhill, Ontario.
View Lifetime Skills Academy (LSA) full profile →Central Montessori School, Thornhill Campus is a Montessori activity located in Thornhill, Ontario.
View Central Montessori School, Thornhill Campus full profile →Tuition for Montessori schools in Thornhill typically ranges from $9,000 to $25,000 per year depending on the program (toddler, primary or elementary), full vs half day, and accreditation. Contact each school directly for current rates.
AMI (Association Montessori Internationale) was founded by Maria Montessori and emphasizes strict adherence to her original method. AMS (American Montessori Society) is a U.S.-based organization that accepts a broader interpretation. Both are reputable; AMI tends to be more traditional.
Most Thornhill Montessori schools accept children from 18 months (toddler community) through age 12 (upper elementary). Primary or "Casa" classrooms typically start at age 2.5–3.
Most Montessori schools in Thornhill are independent (private). A small number of public school boards offer Montessori-stream programs — check with your local district.