Students are grasping how technology works in today’s world at an earlier age than ever, leaving some educators, many of whom have been in the class for decades, wondering how to keep up. Local school systems, however, have made it a priority to help those who may feel a bit uneasy about bringing the 21st century into the classroom. “One of the things that builds anxiety in teachers is that kids may know more than you do about some of this stuff,” said Keith Palmer, director of technology for Gainesville City Schools.