1ChildLine (2014) Can I tell you something? ChildLine Review 2012-13and ChildLine (2015) Under pressure: ChildLine annual review 2013- 2014.
2OECD (2014), PISA 2012 Results in Focus: What 15-year-olds know and what they can do with what they know, p. 16.
3Merryn Hutchings (2015), Exam Factories: The impact of accountability measures on children and young people. p. 60.
4OECD, PISA 2012, p. 28.