Placentia Teacher Found Hanging In High School Classroom March 2, 2015 10:35 AM PLACENTIA (CBSLA.com) — A teacher was found hanging Monday inside a classroom in Placentia, according to reports. The unidentified female teacher was found deceased inside a classroom at El Dorado High School at 1641 Valencia Avenue just before school started Monday morning, according to Placentia Police Lt. Eric Point. Students and another teacher got her down to the floor and called 911 about 8:40 a.m., according to Orange County Fire Authority Capt. Steve Concialdi. While classes were expected to continue for the rest of the high school, students from the deceased teacher’s class were sent home for the day. The teacher’s age and name were not immediately released.