Creating a PSA on "teen-smoking" and entering it in a contest for more than just a prize.
This is a fragment. If you read it aloud, you might be able to see that more clearly, but "creating" and "entering" are gerunds, which are verbs acting as nouns. You have a subject, but you don't have a predicate to follow it.
perfect PSA, to make a point
A comma would probably be better since a semi-colon usually means a major break in your sentence.
Putting me into the shoes of those who are directly affected the most - the teens most susceptible to the allure of that nicotine addicting drug.
What is putting you into the shoes? Or are you putting yourself into the shoes? If you are, you should make yourself the subject and not the predicate noun that "putting" is affecting.
wide spread
widespread*
finally; a
Use a comma, not a semi-colon.
The pressure to wina contest with it iswas even more exciting but at the same time,as well as rewarding, n ot in the sense that I might win, but to know that I had put my all into making the video; and to hopefully educate others on the topic at hand.
Try reading your essay aloud with small pauses at commas, longer pauses at semi-colons, and huge pauses at your periods. You might notice your error with fragments more easily. Also, you might want to try adding more personality and "show" instead of "tell." Even the short answer can make a big difference in your application.