International Baccalaureate body vows to review time zone arrangements after leak

But it refuses to say how many candidates penalised after it confirms small number of students may have engaged in time-zone cheating.

International Baccalaureate body vows to review time zone arrangements after leak

International Baccalaureate body vows to review time zone arrangements after leak

International Baccalaureate body vows to review time zone arrangements after leak

International Baccalaureate body vows to review time zone arrangements after leak

International Baccalaureate body vows to review time zone arrangements after leak