There are many goals that universities have to offer. Universities help you explore different areas of interest so one can find what they truly enjoy to do. Usually after high school, students are pretty set in knowing what activities they like to do.
College breaks that mold.
A student may find out that an activity that they thought they'd never do the realize that they like that activity. Another goal of a university is to help students focus on what their specialties will be. Most students come out o high school with a semi-clear idea of what they want to major in. College courses and with the help of advisors help focus students as to what they want to major in. Finally, a goal of universities is to help students learn how to survive in the real world.