Yes, if your school has decided to use that feature. If this is turned on, when a parent or teacher logs into the system, they will see a message asking if they would like to join the parent organization for the current year.
When you choose to join, you will be shown the amount of the annual dues, along with an option to provide an additional donation. After completing this form, you are asked to confirm you dues payment, at which time will be taken to Paypal to enter in credit card information, or Paypal information.
Once you dues transaction is completed, the message asking you to join the parent organization will change to a thank you.