The input/output ratio shows that it takes an average of 9.4 years (instead of planned 7 years) for a pupil to complete primary education. The extra years are due to starting late, drop-outs, repetition and high failure rate which is pronounced at standard four where a competency/mastery examination is administered (ESDP, 1999, p.84). The drive towards UPE has been hampered by high wastage rates.
백 링크 영국 구매 
