article_snippet.sent: Almost half of headteachers have vacancies in English, maths and science departments amid a growing recruitment crisis in secondary schools.
article_snippet.sent: maths and science departments are struggling to fill core teaching positions, with some posts attracting only one or two applicants.
article_snippet.sent: Almost half of headteachers have vacancies in English, maths and science departments amid a growing recruitment crisis in secondary schools .
article_snippet.sent: London schools are experiencing the most problems finding teachers in English, maths and science, followed by the North West and East of England.
article_snippet.sent: A headteacher in North Yorkshire claimed 'recruitment is becoming a significant factor in preventing school improvement'.
article_snippet.sent: A headteacher in North Yorkshire said: 'Maths, physics and now good-quality English candidates are in very short supply and schools in challenging circumstances are facing the future with little hope of recruiting credible candidates.'
article_snippet.sent: Brian Lightman, ASCL general secretary, said: 'The existing teacher supply model does not work.
article_snippet.sent: Schools all over the country are experiencing unprecedented difficulties recruiting trainees, qualified teachers, middle and senior leaders. '
highlights_snippet.sent: Say it is due to rise in pupil numbers and greater competition for graduates .
  
highlights_snippet.sent: London schools have most problems, followed by North West and East .