Peer competitor relationship. According to relevant public information, squirrel education and principals are online education platforms of k 12 1 to 1, which belong to the relationship between peers and competitors. Head education, K 12 online education for head enterprises, focusing on customizing high-quality online education courses for young people aged 3- 18, with 36 million registered students. Squirrel AI 1 Dui 1 was founded on 20 14. It is the first artificial intelligence company in China to apply the adaptive learning technology of artificial intelligence to K 12 education.