Yes, you can change the order that your sessions are displayed on the Leads Page. They will be listed by Session Type.
To adjust how they are listed you can head to Studio & Clients » Booking > Session Types. There you can drag and drop your session types into the sequence you wish them to be on the Leads Page.
You can adjust whether you want the scheduled session types to show up first on your Leads Page or your Non-scheduled session types. To adjust that follow these steps:
*From the main menu click on Studio & Clients » Booking > Preferences. Scroll to the Scheduled Session Display option and make your adjustment. Click Save Preferences at the bottom and you are all set.