Learning content
Technical secondary schools focus on professional skills training, while correspondence teaching focuses on self-study supplemented by face-to-face teaching.
Learning style
Technical secondary school is studying at school, and correspondence is distance teaching, which is not limited by space, time and place.
Learning form
Technical secondary schools master vocational skills through school study and practical training, while correspondence courses are taught by self-study, TV lectures and computers.
Academic certification
After graduating from technical secondary school, you can take the general college entrance examination, while after graduating by correspondence, you need to pass the national unified adult college entrance examination and be admitted to colleges and universities to obtain academic certification.