1) - Teachers should make it clear at the beginning of a course how important it is to students to arrive on time.-There is idea of starting lesson for latest students with a five-minute "freewrite" as explanation why they are late.-Sometimes it is best to sit down with students and have a talk face to face to find out real reasons of being late.-Teacher should call parents and say about this case tactfully.-Maybe one of classmates who lives near would pick him up.-Some teachers react strictly. They say «If I'm in the classroom and you're not, you stay out». - And for some types of students it works.2. Student doesn't do his homework.Teachers are usually not very happy with students if they don't do homeworkThere are several reasons why students don't do homework. For example, it seems boring to them, or difficult, sometimes they just forget what they have to do some task.Teachers must have their methods for encouraging students to develop and stick to a regular homework:-Be positive about homework. Use positive language to talk about how learning will help students in the future.- If students don't do homework because it's boring teachers should turn the homework into a game, or may be give some creative task like project work; competition; working as a team.-If students don't understand the instructions of the tasks, teachers should give a similar exercise right at the end of the lesson, check and explain.-give rewards- praise-If students just forgot what they have to do teachers can send email reminders to students or their parents. Or teachers should talk to parents about it tactfully.Parents also should encourage their children, give them extra motivation. Parents may give add privileges or take them away. Also I think, doing homework together with parents would be fun and efficiently for kids.And finally classmates may support student who doesn't do homework, explain, help him to understand task.3. The student is dressed in a very unusual way.-Teachers should involve parents.-Teachers and parents should explain why it is inappropriate to wear such clothes in school- Students wear strange clothes because they want express themselves. But there are more another way to do it. For example, create some project.-one of the way to stop this behavior is make a rule to wear school uniform. Students need to learn self-control and personal responsibility, and a dress code can help do that.4. Some students bully a newcomer.Bullying is when someone hurts or scares someone else. It can be verbal, social, or physical. In any cases it's painful for newcomers.Here are some steps to prevent and stop bullying:-Students should be polite and generous with all and try to make friends.- The best way to avoid getting bullied is to ignore the bully actions, stay as calm as you can. After a while, most bullies will lose interest in a victim who doesn’t react.-If situation is really serious and seems out of control then students should tell about it to teacher or administrator-Teachers or parents should encourage students to deal with conflict without violence and talk things out.-Teachers also should talk to bullies's parents tactfully