What is InfoCenter?: InfoCenter provides access to all the messages and information sent by your child’s campus and Plano ISD. Accessible from any internet-enabled device, InfoCenter displays and organizes alerts, notifications, and attachments for easy review and reference. InfoCenter also allows you to customize how you receive communications from PISD (campus and district).

The following link has a step-by-step guide to sign up:
How to sign-up for InfoCenter