article_snippet.sent: Father-of-four has not returned to The Costello School in Basingstoke, Hampshire, since the correspondence came to light last month, and has now left The Costello School.
article_snippet.sent: Resigned: MArried father-of-four David Nicholson started as headteacher at The Costello School in Basingstoke in September last year . '
article_snippet.sent: It is therefore, with huge regret and disappointment that I have taken the very difficult decision to resign as headteacher of The Costello School.
article_snippet.sent: Carol Bode, The Costello School's chair of governors, said that there are no concerns relating to the safeguarding of pupils at The Costello School and confirmed that the board has accepted Mr Nicholson's resignation. '
highlights_snippet.sent: David Nicholson, 48, has resigned as head of Basingstoke school .
  