There are widening gaps between pupils from poorer backgrounds and their classmates from better off homes since the post-Covid return to school in Wales.
Six key measures reveal the struggles to address this divide, which had been an issue already before the pandemic.
Last week brought the worst set of maths, science and reading results for 15-year-olds in the global Pisa tests
Here we look at this and other challenges.
Whether a pupil is entitled to free school meals has been a long-standing measure of whether they come from a poorer economic background, based on the family being on low income or receiving benefits.
Around 95,000 pupils qualify for free school meals, about 20% of all pupils.
All children missed months of classroom teaching during Covid and on key measures, the impact can be seen clearly, but there are worries this is even bigger on those from low income families.
