There is actually no ranking. There are many early education institutions with different ideas, some of which do not conflict. Relatively speaking, there are only a few early education institutions that everyone is familiar with, including brands and word of mouth. Such as Gymboree, Guanmeng International, Kissing Kangaroo, Seven Days True, Future Baby, Sun Jianguo and so on. For example, Gymboree and Guanmeng International don't have much conflict.