PALMDALE (CBS) — A campus sex scandal in Palmdale: a 35-year-old teacher’s aide is accused of having sex with a 13-year-old student in a classroom.

The incident allegedly happened during an after-school tutoring program and it all came to light after a relative of the boy got a look at this cell phone.

The suspect, Holly Polson, worked at Shadow Hills Middle School, and police said it was there that the woman had sex with the young boy inside a vacant classroom.

“Detectives interviewed her and during the course of that interview she confessed to several instances of having sexual intercourse with this 13-year-old victim,” said Sgt. Brian Hudson of the Los Angeles County Sheriff’s Department.

Investigators told KCAL9 that relatives of the boy found suggestive text messages from Polson on his phone. When the boy was confronted, he admitted to what had happened.

Polson told investigators that she was falling in love.

“She professed to the detectives that she was developing feelings for him over a period of the month prior,” said Hudson.

No one answered at Polson’s home, but a woman that neighbor’s later identified as Polson’s mother told KCAL9 in tears that she had no comment when asked if she knew of Polson’s arrest.

Other neighbors who have children in Shadow Hills couldn’t believe the news.

“It’s kind of just crazy to live on this block, I don’t know, for something like that to happen, you never know what neighbors you have, what kind of neighbors,” said Eddie Carranza.

Polson is still in jail on $100,000 bail. She faces four felony counts of lewd acts with a child, and if found guilty, she must also register as a sex offender.