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:
(8th Grade)
1st Period 8:05am – 9:05am
2nd Period 9:09am – 10:04am (Planning)
3rd Period 10:08am – 11:03am
4th period 11:07am - 12:02pm
5th period 12:36pm - 1:31pm
Lunch 1:01pm - 1:31pm
6th period 1:35pm - 2:30pm
7th period 2:34pm - 3:30pm