“…However, selection processes based on candidates' previous academic achievements are often criticised and considered to be unfair (Moran, 2008;Stevens, 2001) on the grounds that the grades that students achieve are strongly stratified in terms of ethnicity, social class, gender and a variety of other socio-economic factors. Research has made clear that the use of such criteria restricts possibilities for diversification of the student population (Riddick & English, 2006;Stevens, 2001) and involves very little cross-cultural background, knowledge and experience (Sleeter, 2008). Furthermore, such admission criteria do not include many important aspects of teacher quality (OECD, 2005;Pantić, Closs, & Ivošević, 2010).…”