Headteachers will debate whether Education Secretary Nadhim Zahawi should intervene at a Catholic school where a visit by a gay author was cancelled by the archdiocese.
Simon James Green, a young adult author, had been invited to discuss his books as part of World Book Day at the John Fisher School in Sutton, south London, in March before the Archdiocese of Southwark got involved days beforehand and the event was cancelled.
