It’s elementary: students benefit from pre-primary education. The OECD’s PISA 2009 results show that in practically all … OECD countries 15-year-old students who had attended some pre-primary school outperformed students who had not. In fact …, the difference between students who had attended for more than one year and those who had not attended at all averaged 54 …

before completes tertiary education. For many, especially socio-economically disadvantaged students whose parents had … higher level of education than their parents did. But just as economic growth does not necessarily reduce income inequality … shows that when students with low-educated parents perform at high levels by age 15, as measured by PISA, their chances of …