If you're interested in enrolling in UTSA Army ROTC and you are in college, you can start by taking an Army ROTC basic elective course. If you have at least two or more years remaining toward your undergraduate degree, but not enough time to complete the Basic Course, you can enter the Army ROTC Advanced Course by completing the Leader's Training Course held at Fort Knox, Kentucky, during the summer.
Talk to your campus Military Science department about other ways to enroll in Army ROTC and the incentives available, including opportunities to compete for two-, three-, or four-year scholarships. Apply for scholarships on the left hand tab Scholarships under "Admissions and Scholarships". Also, look into the SMP (Simultaneous Membership Program).
If you have two years remaining in junior college or graduate school, you are still eligible to enroll in Army ROTC.