"raising of statutory school leaving age" . "raising of school leaving age to 15" . . . . . . "Raising of school leaving age in England and Wales" . . "steadily expanded" . "the leaving age" . "raising of school leaving age in England and Wales" . . "raise the leaving age" . "raise the age" . "compulsory full-time education to 14" . . . "ROSLA" . "Raising of School Leaving Age" . "raising of the school leaving age" . "raising of school leaving age" . "school leaving age" . "RSLA" . "Raising of school leaving age in England and Wales" .