@jessicakittrell3 PowerSchool is a student information system. It is not a educational curriculum.
Thank you @HeatherWeist for sharing this information!
@jessicakittrell3, If you were looking for more information on PowerSchool and not PowerSchool SIS, then this might be of your help. PowerSchool provides innovative, K-12 education technology software for better school management, student growth, and family engagement. PowerSchool products are purchased at a school or district level. You can read more about PowerSchool from here.