Additionally, you can click on the Profile link on the app bar of your Lessonpal teacher account. Then under your name and profile, click on the Manage availability button.
Next, on the right-hand corner of the Availability screen, you can adjust the time frame to limit future booking up or down from the standard 30 days.
On mobile, select the collapsible menu on the top left corner of the screen and select Availability. Scroll down to Limit future booking and adjust the days to indicate how far in advance students can book your lessons.