A new wave of grammar schools will deliver a boost for the fee-paying sector as middle-class parents whose children fail the 11-plus look to dodge what they see as a second-rate state education, said Neil Roskilly, who represents headteachers of nearly 400 private schools. He said parents were already using them as “insurance” in case their children failed to be selected in areas where there were grammars. Theresa May’s grammar school nostalgia is heartfelt - but wrongJonathan FreedlandJonathan Freedland Read moreRoskilly, chief executive of the Independent Schools Association, said he believed that this behaviour could be reproduced across England and represented a dangerous flight of the middle classes from the state sector.On Friday, Theresa May announced her plans for more selection in the state system, a policy which received a boost with the defection of the Liberal Democrat peer Baroness Nicholson of Winterbourne to the Tories, in part due to the prime minister’s speech.Roskilly, however, said that May had questions to answer over the introduction of more grammar schools, although he believed it could offer a boost to the smaller private schools. He said: “The most thriving independent schools are actually in areas where there are grammar schools now.