The California firm is the largest provider of cloud-based education software for K-12 schools in the country, supporting more than 50 million students. PowerSchool, a leading education technology firm,

Parents and educators are receiving notifications about the breach, but it’s still unclear exactly how many people have been affected or what information was leaked.

PowerSchool, a program that manages student data, suffered a data breach Dec. 28. Here's which Norwich area schools were affected.