USA TODAY High School SportsVIDEO: After two events, could 16-year-old Caroline Marks be the next Kelly Slater?USA TODAY High School SportsMarks, a 16-year-old Florida native who now resides primarily in California, became the youngest-ever qualifier for the World Surf League Championship Tour when she finished the 2017 Qualifying Series ranked No. 7 (six surfers per year make the tour ...