MONTCLAIR, NJ - Adelardo Romero, 28, of Montclair, has been terminated from his teaching job in Paterson after his arrest Thursday evening. He was charged with nine counts of sexual assault, endangering the welfare of a child and other related charges for allegedly having a sexual relationship with a 17-year-old student, according to Acting Essex County Prosecutor Carolyn Murray.

The Special Victims Unit of the Essex County Prosecutor's Office and detectives from the Montclair Police Department have investigated the allegations before charges were pressed.

Romero, a math teacher at Paterson's Eastside High School, turned himself in to the Montclair Police Department Thursday evening and was held on a $150,000 bail.

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Terry Corrallo, spokesperson for the Paterson School District, issued an official statement Friday saying, "After confirmation with the Essex County Prosecutor's Office, Mr. Adelardo Romero, a non-tenured mathematics teacher at Eastside's School of Information Technology, will be terminated effective today for conduct unbecoming a staff member."

According to his Linkedin profile, Romero has been teaching in Paterson since September 2011. He has also taught at Montclair State University and DeVry, according to the profile.

Anthony Ambrose, chief of detectives with the Essex County Prosecutor's Office, said the investigation is continuing.