The newish head teacher of our (very good) primary school speaks in a way that is grammatically incorrect and his written communication is littered with spelling and grammatical errors. Could he be an effective head teacher regardless or do others think that he needs to be able to speak and write correctly to fulfil his role? I have been tempted to highlight the errors in his newsletter and return it to him but marking his written work feels underhanded, how else could I raise my concern? Any opinions and advice gratefully received.