Use your PowerSchool Parent Portal Email Address to generate / reset your Schoology Account Password: https://app.schoology.com/login/forgot (this is a separate account from Parent Portal) *We recommend making the password the same as your Parent Portal.
Create a new account with Parent access code (Email [email protected] or Contact school main office to request the Schoology Parent Access Code for your child): http://app.schoology.com/register.php?type=parent
How Parents Can Use Schoology | PowerSchool
Schoology in-depth Guide