SACRAMENTO - A teacher at Sierra Oaks Elementary School in Sacramento County has been arrested, accused of performing lewd acts on multiple children.

Investigators arrested 25-year-old instructor Shane Vicars shortly after 3:00pm Wednesday following allegations the teacher had inappropriate contact with minors.

Vicars was an after-school instructor for the Discovery Club at Sierra Oaks Elementary. According to San Juan Unified School District's website, the Discovery Club is a before- and after-school child care program in which students receive tutoring on homework and create art projects. Vicars is listed as one of two instructors at the program.

According to the Sacramento County Sheriff's Department, Vicars has been arrested on 15 counts of lewd acts with a minor and 14 counts of child annoyance. Law enforcement authorities say the victims, who range in age from seven to eleven-years-old, were students at the school and the crime took place on-campus after school hours.

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Vicars is currently being held on $1 million bail.

A Sheriff's Department spokesman said the allegations came to light in mid-December when a child came forward to a parent. Vicars was immediately placed on leave while the Sheriff's Department investigated.

Vicars was hired by the San Juan Unified School district in 2003, and worked at Sierra Oaks School since 2008.

The district and investigators are encouraging parents to speak with their students as there may be additional victims who have not come forward.

Sierra Oaks parents who spoke with FOX40 on Wednesday expressed shock over the arrest, describing Vicars as affable, likeable, and good with kids.