Students do have to fill out a lot of forms and many university documents are very important. Also, the difficulty may be that when filling out various forms, sometimes the student must fill in some fields himself and you need to correctly paraphrase the information so that it is unique. If you fill out documents online I managed with the help of https://papersowl.com/paraphrasing-tool you can paraphrase any information to fill out all the important forms. If you need to fill in the data right during the exams, this is of course more difficult and you had to memorize large amounts of data.

It's great that you can help your sister and write her medical school essay. I am also a medical student now and I underestimated the complexity of the curriculum when I was an applicant. Even if I honestly thought about dropping out of college last year. But I found a review for a cool service that helped me with my essay https://painintheenglish.com/case/446 and I was able to concentrate on passing difficult exams. Against the background of a serious and complex curriculum, the question of using a semicolon does not look so serious, but in any case, I hope you can solve it and your sister's school essays are written correctly.

From a grammatical point of view, any noun can be used as a verb, as long as its meaning is clear from the context.