Directorate for Education, Organisation de Coopération …; … - 2013
<UL> <LI>Countries vary in the way they use marks, but they all tend to reward the mastery of skills and attitudes that promote learning. </LI> <LI>Teachers tend to give girls and socio-economically advantaged students better school marks, even if they don’t have better performance and attitudes than boys and...</li></li></ul>