But critics have called for the tests to be scrapped, especially in the wake of this year's marking debacle. Knight announced that the number of primary school pupils reaching the expected level for their age at Key Stage 2 in English has improved by one percentage point to 21 per cent. In maths the figure rose by one percentage point to 78 per cent and in science it remained at 88 per cent - the same as last year. Combined, the figures show an overall increase...