We’ve also included an answer booklet with suggested mark schemes to check whether your Year 6 pupils are on track for the expected standard in line with scaled scores for the National tests. That way, you can ensure your pupils have every chance to succeed in the upcomingSATs 2025. 6 f...
The PISA scores are scaled to fit an approximately normal distribution with a mean around 500 score points and a standard deviation around 100 score points. Thus a 1 point difference on the PISA scale corresponds to an effect size (Cohen’s d) of 0.01. Full size image The average gender ...