A physical education teacher at a San Antonio Catholic school has been charged with aggravated sexual assault of a child.

Johnny De La Cruz, 40, was arrested Wednesday morning.

He faces two first-degree felonies after Bexar County prosecutors said he sexually assaulted a girl on St. Margaret Mary Catholic School's campuson at least two occasions in 2012.

The first alleged incident happened in January 2012.

The second allegedincident happened in May 2012.

A spokesperson for the Archdiocese of San Antonio said the school notified the church and Child Protective Services.

The spokesperson said De La Cruz was fired in the fall of 2012, but as of Thursday afternoon, he was still listed on the school's faculty website.

An administrator for the school would not confirm or deny De La Cruz's employment status when reached on the phone Thursday afternoon.

According to SAISD records, De La Cruz worked as a substitute teacher at five of its campuses from 2008 to 2011.

According to an SAISD spokesperson,De La Cruz was a substitute at Edison High School on 43 days during the 2010-2011 school year.

SAISD Police investigated him in February 2011 after a female student at Edison complained he made her feel uncomfortable.

SAISD left him off its substitute teacher call list after police finished the investigation, and he has not worked for the district since then.

De La Cruz faces up to life in prison if convicted.

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