What does President Wang Han of Hainan Middle School teach?

The vice principal in charge of teaching and research work is not a teacher. According to the website of Hainan Middle School, Wang Han, the principal of Hainan Middle School, is the vice-principal in charge of teaching and research, not a teacher. As the vice-principal in charge of teaching and research in Hainan Middle School, Mr. Wang Han is the organizer and practitioner of school education, teaching and scientific research, the scientific planner and excellent manager of school teaching, the leader and booster of young teachers' growth, and the forerunner of theoretical research and practice of comprehensive reform of college entrance examination.