The Sims was released by Electronic Arts in 2000, with its sequel appearing in 2004. There are many differences between what the Sims can and can't do in two games, including attendance at university.
In the original Sims game, the gameplan perspective used was isometric, whereas in The Sims 2, the gameplan is fully three-dimensional.The Sims as Students - A Set Apart
If you want to send a teenage Sim off to college, you will need The Sims 2: University, an expansion pack released in 2005. In so doing, the teenage Sim becomes a new type of age category, the Young Adult.
Your sim can chose what subject to major in, what sororities to join and even what pranks to pull! Once graduated, the Sim will have extra life wants and an extended choice of career options, compared to his Sim friends who stayed back at home.
Here's a talk-through film, showing you more of The Sims 2: University.