Further influenced social class divide
Bartlett believed league tables encouraged cream skimming which means selecting the best while leaving the rest behind
This meant the good schools could be more selective, chose their own customers and recruit high achieving mainly middle class pupils.
These pupils have an advantage
However, as a result, some schools went into a spiral of decline
Silt-shifting means good schools can avoid taking less able pupils who are likely to get poor results
Schools with poor league tables can't be selective