Essays / how to start an essay on why am i going to college [7]

i have to write an essay for english class and i always have trouble with my opening.
my topic is about why am i going to college and i have my three topics.

1.to further my education
2.we are raised by our parents to think college is a good thing
3.to have your own independence

it will be great if someone can tell me how to start an essay.