1, refusing to accept disabled school-age children and adolescents who have the ability to receive general education;
2, divided into key classes and non-key classes;
3. Illegally expelling students;
4. Use unapproved textbooks.
compulsory education law of the people's republic of china
Article 29
Teachers should treat students equally in education and teaching, pay attention to their individual differences, teach students in accordance with their aptitude and promote their all-round development.
Teachers should respect students' personality, and must not discriminate against students, and must not punish students with corporal punishment, corporal punishment in disguised form or other acts that insult their personal dignity, or infringe upon their legitimate rights and interests.