Daniel Culler admits that school wasn’t a lot of fun. In fact, the recent graduate of Colonial Heights High School says, with a laugh, that he caught a case of senioritis on the first day of sixth grade. “I have never had much fun in school. School is not my thing,“ Culler said. That doesn’t mean he didn’t excel; he graduated with about a 3.6 grade-point average. And he capped his senior year last month by becoming Colonial Heights’ first-ever gold-medal winner at the national SkillsUSA competition. In 2007, Colonial Heights student Brandon Woody earned a bronze medal at the national competition