According to Livingston Police, Livingston High School teacher Japhia Huhndorf helped three students ingest chloroform which they got from her classroom.
The students were all males, ages 16, 17 an 18.
Police say there were at least three of these incidents over the last five months.
Hundorf was arrested on three counts of felony child endangerment.
It is unclear at this time if any of the students who ingested chloroform were hurt.
Stay with Action News and abc30.com for the latest in this developing story.