Ellie Pline, a 17-year-old senior at Annapolis (Md.) High School, sets her alarm to ring three times starting at 5:30 a.m., with the last sounding at 6 a.m.That is so she makes it to class by 7:17 a.m., one of the earliest school start times in the country. It is particularly challenging if she is up late the night before. She tries to be in bed by 11 p.m., having finished anywhere from two to four hours of homework. That means she...

Source: Wall Street Journal August 30, 2016 17:03 UTC