Yanagi Educational Group started from group of International School teachers with many years of experience. The director of Yanagi Educational Group holds teaching certificates in early childhood education from both the US and Japan, and received a Master’s degree from a graduate school in the US. The director has been running a well established international preschool in Minato-ku, Tokyo since 1998 for children aged between 15 months-6 years old. Children from more than 30 nationalities attend the school. The school is well known for being a pioneer preschool for implementing a dual immersion program as well as inquiry based education.