We use Echo Express and we get to the end of Book 2 by the end of Year 9. With the new GCSE we invested in Echo for AQA GCSE - and the first chapter was quite a shock to all of us! However, we are a grammar school with high-achieving pupils and I would say that although the GCSE book is quite a step up from Book 2, it appears to have been a good move for us. The top end have plenty of challenge, the middle ability (for us, that is the solid B candidate) have been dragged upwards, and the only ones who have really stuggled are the D/C borderlines. Having said that, some of them have produced very resepctable B/C writings, and they seem to be performing well on the Higher Readings. I don't know if that helps. I suppose it very much depends on the ability of the pupils. I should add that we have 2 hours a week for Year 10 and Year 11.