Officials say 30-year-old Alexandra Reiner, a special education teacher at Rancocas Valley Regional High School, was arrested Tuesday night. She is charged with sexual assault and endangering the welfare of a child.
An investigation began last week after district officials approached the Burlington County Prosecutor's Office with a tip about a possible inappropriate relationship between Reiner and a male student.
The investigation revealed that contact happened in December 2018, in Mount Holly and Lumberton.
The age of the victim and details about the incident are being withheld to protect his identity.
Reiner will face her first appearance in Superior Court Wednesday.
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