Very well written with very few mistakes.  Some of the corrections that I've made aren't due to grammar mistakes but simply to make it sound a little better.

Why do people attend college?

Why do people attend college?


Every year, thousands of students compete against one another in order to get into the colleges that they want to be in they want to attend. College has become more and more popular in today’s society mainly (No need for "main" twice in one sentence) because of three main reasons: it opens doors to opportunities, it prepares us to be what we want to be in the future, it lets us meet new people.

First of all, going to college enhances one’s chance of getting a good job. After students graduate, they receive certificates that assure the students’ academic performances. As a result, when employers seek for new employees, they ask to see their certificates, because the employers want to make sure that they hire the right people who have sufficient knowledge about the career.

Moreover, some people go to college to meet new friends. Life in college is known to be fun and exciting. For example, college students can party more because their parents are not there to stop them. Also, unlike high school students, college students do not need to get up very early, since they have options to choose courses that teach are taught later in a day.

Finally, people go to college because they want to learn more. By going to college, we can choose courses that we want to study. Those who want to be doctors choose to study biology, while those who want to be engineers study physics. Having an opportunity to attend college will definitely increase our knowledge and prepare us to be ready for our future careers.

In conclusion, there are many different reasons that explain why people want to attend college. Not only is college fun and exciting, one can increase their knowledge in order to prepare for the careers they want to study have.