Union County Public Schools says it’s among districts affected by a breach in the state’s student information system, which resulted in unauthorized access to student and teacher data.

New Trier said the data that was accessed included names and school ID numbers. No current students' Social Security numbers were accessed, but some former students' were.

PowerSchool, a major education software company, announced a security breach on Tuesday, possibly affecting schools across the nation with data leaks.

The educational software giant said it doesn’t anticipate any of the compromised information “being shared or made public,” as a review of the incident continues.

Horry County Schools says none of its data compromised in PowerSchool security breach

The K-12 software giant that runs the most commonly used student information system in U.S. schools said a data breach could have exposed the personal information of millions of students and teachers.

School officials learned of the “potential cybersecurity incident” on Tuesday, Needham Public Schools Superintendent Dan Gutekanst said in a statement.