A "Semester" in Sawyer is whatever length you make it. Instead of creating one long semester, consider creating two shorter semesters.
Here's how to create Semesters in Sawyer.
Here are a few other things that might be helpful to know:
Customers see the activities that you schedule within your semesters but they do not see your semesters themselves
You can create overlapping semesters
The word Semesters in your widget can be changed to Sessions, Classes, After School, Open Play or Multi Session by emailing [email protected].