Application Essay

I have to write at least 1 to 2 page application that shows my reasons for wanting to join freshman board as a general member and my letter can include like activities that show my dedication to the school, what activities I want to help with, what service projects I’ve worked on before, and what qualifies me to make myself a strong candidate. But I’m having a hard time coming up with an opening paragraph and then linking that opening paragraph to my body paragraphs and then concluding.