There are fewer tests, quizzes, reports and homework assignments in Icelandic grade schools than there used to be, and the results are not great:
https://www.oecd.org/en/publications/pisa-2022-results-volum...
https://icelandmonitor.mbl.is/news/news/2023/12/05/concernin...
Academic performance is somewhat of a burning fire - I'd guess there is less of a translation issue with the article than a cultural and political issue around the topic.