The passage describes the daily schedule of an American exchange student named Diana attending high school in Philadelphia. It provides details of her typical school day, which includes 7 classes of around 50 minutes each from 8:15 AM to 3:28 PM, with a short break between classes. Students have lunch during the 3rd period. After classes end, most students participate in extracurricular activities, while some attend an optional study period. Diana is involved in gymnastics, soccer, and choir, which takes up most of her evenings. She wakes up at 6:30 AM and does not return home until 6:30-7:00 PM each day, finding time for homework between dinner and bed at 11:00 PM. The