Teacher Michael Granger, 32, was arrested on June 16, 2014, for allegedly engaging in inappropriate conduct with a student. (Credit: Irvine PD)

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Police were working with the Irvine Unified School District Tuesday to better understand a relationship between a student and teacher who was arrested for allegedly engaging in inappropriate conduct with the student, according to police.

The student’s parents discovered several “suspicious” text messages on Monday between 32-year-old teacher Michael Granger and their child, then multiple interactions on social media that indicated the two had physical contact, according to an Irvine Police Department press release.

The parents reported the information to police and an investigation led to Granger’s arrest Monday night. He was booked into the Orange County Jail on $100,000 bail.

Granger was an English teacher at the University High School in Irvine where he had contact with the student since September 2013 when the victim was 15 years old, the press release stated.

Anyone with information was asked to contact Detective John Sanders at 949-724-7244 or jsanders@cityofirvine.org.