To view lessons in the assignment calendar by a specific time frame:

1. Select the student from the Students drop-down in the main menu.
2. Click Activities in the submenu.
3. Select the subject drop-down menu and click on the subject for the activities you'd like to view.
4. Choose from this week, next week, or a custom date range to view the assignment calendar. 

You can also filter your assignment calendar by a specific lesson or group of lessons by clicking the All Lessons drop-down menu.