Shawn Robinson, president of Hillsborough Community College's Ybor City campus since 2007, is stepping down to return to teaching.In an email announcing the news Friday, Robinson said "it is time for a change." He will relocate to the college's Brandon campus at the end of the year to join the mathematics faculty."I am ready to get back to my roots in the classroom for awhile and explore some new ventures," the email said. "It was an honor to work with you to better our community."A replacement for Robinson has not yet been announced.Contact Megan Reeves at [email protected] Follow @mareevs.