For Mac OS users, there is a system setting that may not allow you to tab onto several types of elements in a web page. To change this setting:
Bell rings at 7:55
1st hr 8:00-8:50 PLANNING
2nd hr 8:55-9:45 Humanities
3rd hr 9:50-10:40 Reading
4th hr 10:45-11:35 Humanities
5th hr 11:40-12:30 Reading
LUNCH 12:35-1:00
iCap 1:05-1:30
7th hr 1:35-2:20 Reading
8th hr 2:25-3:15 Humanities