My two main goals are to earn a college degree and go to a college with a good reputation for educating their students thoroughly.
This sentence should specify what field you want to enter and what your specialization might be. even if you are not sure, or if it might change, give an idea about what you might become an expert in.
At the start of high school, I was unsure what I wanted to do with my life after graduation. ---- this is not a good sentence to use to begin a paragraph.
It has been quite a struggle for me choosing where to apply to and what type of degree I want to receive. -- this is bad, too. Why include these confessions? I don't like this paragraph.
Coming from a family where neither ... four years that I have attended high school. --- what is all this? You write very well, but I think you are not writing about the best topics. Write about this:
how your Purdue education would support the attainment of your personal and/or professional goalsGood news: you are a good writer
Bad news: this whole essay needs to be rewritten so that it tells about your specific goals and the ways the profs, resources, and program at this school will help you achieve your goals.