Preschool education generally refers to kindergartens. Secondary education includes general secondary schools and secondary professional education. Ordinary middle schools include junior high schools and senior high schools. High school education includes ordinary high schools, vocational high schools, adult high schools, ordinary middle schools, adult secondary schools and technical schools, and secondary specialized schools include normal schools. Vocational education can also be divided into secondary schools and colleges and universities. Secondary schools include vocational high schools, ordinary middle schools, adult secondary schools and technical schools, and institutions of higher learning include junior colleges, vocational colleges and adult junior colleges. Higher education refers to all kinds of schools and educational institutions with college degree or above, including subordinate, provincial, adult, private, self-taught and so on!