A family of geniuses lives in Keller, but more than good genes are at work These three siblings all graduated high school and started college by 13. Two earned degrees and were in grad school by 16. Author: Teresa Woodard Updated: 10:36 PM CDT July 13, 2021 KELLER, Texas — Ian Taylor Schlitz knew something was different early in his elementary school career. His young classmates would be puzzled about a concept the teacher was trying to explain, but he wasn’t. “I realized I was the first one to get it,” he said, “And I was like, ‘Oh, I’m catching on to this faster somehow.’”