Data validated and updated by MESRK for the purposes of the OECD review. Data validated and updated by MESRK for the purposes of the OECD review. Although these numbers indicate improvement, data from a MESRK report on the qualitative composition of the teaching workforce in 2010-11 suggest that in 2010 there were still 13% of teachers who have not completed higher (tertiary) education (MESRK, 2010a).