No person shall be accounted as a qualified teacher within the meaning of the school law who is not the holder of a valid teacher's certificate or permit issued by lawful authority of this state.
RCW 28A.410.025
No person shall be accounted as a qualified teacher within the meaning of the school law who is not the holder of a valid teacher's certificate or permit issued by lawful authority of this state.
RCW 28A.410.025