Editor’s note: The Future Leaders of America series profiles high school seniors who display leadership qualities in their school and the community. The series is brought to you by Pridemark Construction. By Stacey Shannon— MUNCIE, IN—In the four years she’s been at Muncie Central High School, Isabel Quirk has been making a mark. From athletics to community service to academics, Quirk happily maintains a busy schedule and is looking forward to attending Indiana University Bloomington next fall to study law,…