Is Zhi Lin Middle School in Yongshan County a public school or a private school? Private secondary schools. Zhi Lin Middle School is a high-standard, exemplary and distinctive non-profit public private school jointly established by Yongshan County Party Committee, county government and Zhejiang Wenzhou Zhi Lin Education Group in July 2020. A private school is a private school. Private schools are social organizations or individuals other than state institutions, and schools or other educational institutions established for the society by using non-state financial funds according to law.