Keller High history teacher David Clemmons couldn’t be more enthusiastic about his experience on “Jeopardy,” he told students, staff and families gathered at the Wednesday night watch party at Keller High School. “It’s just been unbelievably amazing,” Clemmons said. Clemmons was knocked out of the Tournament of Champions, which aired Nov. 8 but was taped in September. In May, he won $100,000 in the 2017 Teachers Tournament. “It was an honor to get that far,” he said.