Sentence:  Imagine a country where children do nothing but play until they start compulsory schooling at age seven. Then, without exception, they attend comprehensives until the age of 16....There are no inspectors, no exams until the age of 18, no school <WSD>league tables</WSD>, no private tuition industry, no school uniforms. [...] 
Meaning of the word marked with <WSD> tags:  Such a listing of hospitals, schools and other institutions showing their ranking according to various indicators of performance.