8:45am - bell indicating classes begin in 5 minutes
8:50am - period 1 begins
10:05am -period 1 ends
10:05 - 10:15am - break
10:13am - bell indicating period 2 begins in 2 minutes
10:15am - period 2 begins
11:30am - lunch (50 minutes) begins
12:20pm - bell indicating the end of lunch
12:25pm - period 3 begins
1:40pm - period 3 ends
1:45pm - period 4 begins
3:00pm - dismissal