Students of the eleventh grade sit with face masks in a classroom of the Phoenix high school in Dortmund, western Germany, on August 12.  Ina Fassbender/ AFP
Students of the eleventh grade sit with face masks in a classroom of the Phoenix high school in Dortmund, western Germany, on August 12.  Ina Fassbender/ AFP

A-Levels: 'We all know inequality and bias when we see it'