George Karr, 42, a physical education teacher at Willow Oaks School in Menlo Park, was arrested June 10 after a physical altercation with two children, ages 10 and 11, during a baseball game, Menlo Park police reported.
He is charged with one count of felony child endangerment and one count of misdemeanor child endangerment, according to the San Mateo County District Attorney's Office.
The altercation allegedly occurred after a student disagreed with a call Mr. Karr made during the baseball game, police spokesperson Nicole Acker said.
Mr. Karr allegedly grabbed one boy by the front of the shirt and told him to "shut up." When another boy attempted to intervene, Mr. Karr allegedly grabbed him forcefully by the back of the neck, police said.
Mr. Karr, a resident of Morgan Hill, posted $50,000 bail the day he ws arrested, the DA said. He is scheduled to appear in court on July 19 at 8:30 a.m. at the San Mateo County Courthouse in Redwood City.
The school, located at 620 Willow Road in Menlo Park, is part of the Ravenswood City School District.