Another result is the tendence to grow up, mentally at least, faster than your peers. After about a year, you find many of the people at school acting a bit childish. Well, this also depends you your personal nature. Teachers go from being the authoritarian to being a friend. This help tremendously.
Teachers usually make great friends.
They are great people usually with good personalities. Get to know at least one teacher from each department very well. This way, you can go to them for help. They will offer help to you in many ways. In recommendations, offer help in school subjects, and even help you out with mental, moral, and social development predicaments.