In high school, the teacher mostly looks after the students. The teacher must always encourage his students to pay attention in class, to do their work and to stay awake during the lesson. Additionally, high school teachers don't really expect their students to read ahead from their textbooks. In college, the teachers are very different. University professors expect the best from their students because they know that students spend very large sums of money on their studies. Professors expect their students to read their textbooks before class and do their homework. They also expect their students to stay awake during class or they will expel them. College professors don't care if a student doesn't turn in their homework or forgets to read a chapter in their textbook. College professors don't worry about it because it's not their grade, they already have their degree. Additionally, university professors will not accept any late work. They are also very strict about absences and most college professors rarely grant extra credit to replace a student's absences. This is one of the reasons why secondary school teachers and professors are not the