Updated: 6:17 PM April 28, 2021 Pupils at Diss Primary Academy, which is part of the St Benet’s Multi Academy Trust. - Credit: St Benet’s MAT Norfolk schools that are not part of academy trusts will be offered a period of “try before you buy” in an effort to entice more of them to leave council control, the education secretary has said. In a speech to the Confederation of School Trusts' virtual conference, Gavin Williamson said all schools should join academy chains in a bid to replace the current "pick and mix" system with a "single model" school system.