Heads fear distortion
Mrs Mitchell, head of Forth primary in South Lanarkshire, also had doubts about aggregating the 5-14 levels to produce an 80 per cent attainment target for primaries.
"I know of schools which achieve almost 100 per cent attainment at level A but get very poor results at the upper stages. Is that to do with the teaching or unrealistic levels?
"This issue should be tackled first before national tests are used to set targets, something for which they were never intended."