"Much hay has been made by opposition politicians and their media platforms, of Scottish education’s recent Pisa score for Science...

In fact, no credible academic uses the Pisa scores and a report from Oslo University in 2018 describes curricula based on the tests for science as likely to be damaging for the kind of science education scientists themselves want to see and which the world needs...

Pisa scoring encourages the passive acquisition of what is already known so that it can be regurgitated in a test. Pisa is bad for science."
https://talkingupscotlandtwo.com