The ASVAB is given once a year, usually in November. Watch the announcements for information in October on how to sign up.
ROTC Scholarship Information: https://www.goarmy.com/rotc/high-school-students/four-year-scholarship.html. Army ROTC is among the premier opportunities for students who want to get a college education, serve their country, and gain invaluable experience that will set them apart from their peers. Juniors begin the application process in June following junior year.