The daughter of two college athletes was hand-picked by Serena Williams' coach to train in Nice, France in 2015, when she was just 11. The 15-year-old took a science test at 11 PM the night before she played one of the three qualifying matches at Roehampton to make the main tournament at Wimbledon. Gauff told CNN she ended up getting a 'B' on the test, and that only one of her teachers even knew she played tennis, but are now all cheering her on. She was homeschooled by her mother, a former teacher. Gauff's mother, Candi, ran track at Florida...