The “PISA”-shock of Dec 2001 when Germany discovered how (pleasant but) truly mediocre most of its schools are, doe… https://t.co/jhoo8KhO2x
RT @pisaniferry: Chancellor Merkel's approval rating over 16 years (from @CER_EU): low point 50 per cent, current level 84 per
RT @pisaniferry: Chancellor Merkel's approval rating over 16 years (from @CER_EU): low point 50 per cent, current level 84 per cent. certai…