(1) warning; (2) serious warning; (3) recording a demerit; (4) Stay in school for observation; (five) ordered to drop out of school; (6) expulsion from school.
A serious warning is not a particularly serious mistake. Don't worry too much. On the eve of graduation, the school will ask you to write an application for revocation of punishment, which will not be included in the file! You can go to your counselor.