PowerSchool is a K-12 education technology company with over 18,000 customers and used by over 60 million students in over 90 countries. PowerSchool has an entire suite of products, but their two core products are -

PowerSchool SIS — A student information system that maintains student records, attendance, grading, scheduling, enrollment, and state reporting.

Schoology Learning — A learning management system that supports curriculum delivery, assignments, collaboration, and assessments.