Once you have created a Season, Level, and a Class, you will be to use the "Search" function to find any of the classes you have created to view rosters or add more participants to the roster.

From the top navigation bar, hover on Programs and then select Classes. Search for the Class Name or filter by Season/Level or other options. You may need to select Show Future from the options on the right if the season start date is upcoming. Click on the Class Name.