Colin Dowland, headmaster of Woodridge Primary School in North Finchley, London, revealed that parents had been writing in to question teachers' competence and tell them 'how to do their jobs' An angry headmaster has hit out at 'highly critical' parents in an acid-tongued letter are sent them a UCAS link to apply to become teachers. Colin Dowland, headmaster of Woodridge Primary School in North Finchley, London, revealed that parents had been writing in to question teachers' competence and tell them 'how to do their jobs'. All schools in Britain are now closed except for the children of key workers - with the majority of the country's pupils now learning from home through online classes.