Disadvantaged children taught in two-thirds of academy chain schools have lower attainment levels than the mainstream school average, research has shown. A five-year study of 58 academy chains by the Sutton Trust found attainment of disadvantaged pupils in 38 of them were below the national average, including eight that were significantly below average. In just one in five of the chains analysed, pupils eligible for free school meals or those in local authority care were above average for Key Stage 4 results. The report warns that academy chains are failing in their aim to improve educational achievement, and calls on the government and regional school commissioners to improve sharing of good practice between academies. Read more.