School is more than a place to learn: An intersectoral assessment of adolescent well-being prior to and after the COVID-19 pandemic in the WHO European Region.

Conversely, assessment scores in the sciences did not demonstrate a clear trend, with 20 out of 38 countries (52.6%) showing a decrease in their results.

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While some studies have found that the pandemic led to a decline in all forms of bullying [ 23 , 40 ], others have reported an increasing trend in countries with fewer social restrictions, such as limited school closures [ 41 , 42 ].

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