A San Leandro High School teacher turned himself in to the San Jose Police Department Thursday after police started investigating whether he was involved in a sexual relationship with a minor.
Calculus teacher Leon Chang was charged by the Alameda County District Attorney's Office for his involvement in a sexual relationship with a teenage minor.
The San Leandro Unified School District was notified several months ago that Chang may have been having an inappropriate relationship with a minor. School District administrators reported the incident to the San Leandro Police Department who began investigating the allegations.
During the investigation, additional information and forensic evidence was located and reviewed, leading to Investigators determining that there had been an ongoing sexual relationship that occured between Chang and the teenage minor.
On April 15 the Alameda County District Attorney's Office reviewed the case and charged Chang with two felonies.
According to the complaint from the DA's office, Change, in arranging the meeting with the minor, "was motivated by an unnatural and abnormal sexual interest in children."
Students said Chang also coached boys’ volleyball.
The San Leandro Unified School District released a statement Thursday, saying that the district was "deeply concerned" by the information shared by police. The district has placed the teacher on administrative leave and asked him not to return to work or be on district property unless otherwise asked. The district is conducting its own investigation, the statement said.
"This was a collabarative investigation between our detectives and school administrators, Lt. Randall Brandt, who leads the Criminal Investigation Division, said. "This close working relationship is a force multiplier when it comes to keeping our minors safe."
Officials did not release any other information at this time.