Preschool programs Markham | Royal Cachet Montessori Royal Cachet Montessori’s Casa Program in Markham and Stouffville offers a calm, purposefully prepared, mixed-age environment for children aged 2.5 to 6. Using authentic Montessori materials and individualized, hands-on learning, children develop concentration, independence, early academic skills, confidence, creativity, and a lasting love of learning. Register by August 15 and receive 50% OFF your first month’s tuition. Book your private school tour today. To learn more about our Preschool programs Markham , call (905) 888-7700 or (905) 640-8088.