20) I know it's unpopular to point it out, but we really do kid ourselves in normal times. Underachievement hides in plain sight across the country. Whether you take recent science results, which show that only 9% of 11yo on free school meals reach the expected standard, or...

21) KS2 question level analysis of SATs papers, which shows enormous swathes of the curriculum completely unlearned, or the crater-sized gaps in knowledge at GCSE which I've blogged about before.

22) When children aren't learning much already, a few months off school doesn't seem to make much difference.

The route to mass fluency and a better education for underprivileged children is not an expensive one. It's not catch up we need, it's an admission of systemic failures.