(CNN) Three ex-employees of a shuttered Northern California alternative school each face an involuntary manslaughter charge after a 2018 incident in which an autistic student died after being restrained, a prosecutor says.

Guiding Hands School Executive Director Cindy Keller, Principal Staranne Meyers and special education teacher Kimberly Wohlwend each face a charge of felony involuntary manslaughter, according to a Tuesday news release from the El Dorado County District Attorney's Office.

They are scheduled to be arraigned late Wednesday afternoon. CNN is trying to contact the staffers and their attorneys.

Guiding Hands School Inc., which owned the now-closed private alternative school in El Dorado Hills, will also be charged with a count of felony involuntary manslaughter, according to the news release.

The 13-year old boy, whose name authorities have not released, was restrained on November 28, 2018 after he became violent, the El Dorado County Sheriff's Office said

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