NEW : Claudia Rivera teacher Vance Miller pleads not guilty . Los Angeles ( CNN ) -- The Los Angeles Unified School District board on Tuesday fired Miramonte Elementary School teacher Martin Bernard Springer just hours after he was formally charged with three felony counts of lewd acts upon a girl under age 14 , a school spokesman said . The L.A. school board fires him . In unrelated case , the board fires a high school teacher after sexual misconduct claims . In all , 3 Los Angeles teachers face sexual misconduct accusations since October 2010 .
NEW : Claudia Rivera teacher Vance Miller pleads not guilty . The L.A. school board fires him . In unrelated case , the board fires a high school teacher after sexual misconduct claims . In all , 3 Los Angeles teachers face sexual misconduct accusations since October 2010 .