A few years ago I had no idea what I wanted to study in college or where I wanted to go
This sentence serves no purpose. All it does is establish you as perhaps less deserving than a student who has been planning for many years to enter a particular field.
I think you should begin your essay here:
I realized that engineering was the perfect field for me. It combined my passion for math and science, applied it to the real world, and was also so diverse that I was sure to find a field that fit me. With this in mind I took classes that were directed towards...
Omit everything that comes before this part.
And after this part, find at least 1 or 2 examples of characteristics that make this school a better choice for you than other schools. This essay makes you seem too thoughtless... as though you just happen upon a career and a college. Show them the critical thinking you used to choose a college. How does this school compare to your second-choice school?
:-)