The advanced education system in the United States originated in the 1960s, and now it has become a world-famous preschool education curriculum model, known as the "Harvard" of preschool education.

The core of forward-looking curriculum education concept is active learning, which emphasizes the importance of children's active learning. Learning is a child's active behavior, making plans based on children's interests and sticking to their own interests and goals, rather than passively accepting the knowledge and skills instilled by adults.

Thomas Heston Gao Zhan Kindergarten in Nanjing has introduced Gao Zhan Preschool Education, the world's three major preschool education systems known as "Preschool Harvard", adhering to the principle of "teachers first" and enhancing the value of life through education.