The tracking of pupils by ability into elite and non-elite schools represents a controversial policy in many countries. There is no consensus on how large the elite track should be and little agreement on the effects of any further increase in its size. This paper presents a natural experiment...

Delivery of vocational education in schools is a controversial issue around the world and attempts to improve it have been tried for decades. A substantive innovation in vocational education provision came about in 2010 in England when a new form of hybrid schools was introduced that combine...