The 15-year-old was arrested May 13 at the high school after Urbana police were alerted that there a threat involving a gun had allegedly been made to a student at another school via social media. URBANA — An Urbana High School student who admitted he had ammunition at school has been sentenced to two years of probation. The 15-year-old was arrested May 13 at the high school after Urbana police were alerted that there a threat involving a gun had allegedly been made to a student at another school via social media. read more