alt Hacker NewsIt says this but the numbers in the article actually show flatlining after 2013 with a huge drop off after 2020.
2022 8th grader cohort missed much of 6th and 7th grade. 2024 cohort missed 4th and 5th grade. These results are extremely in line with that effect, despite what people want to say about social media, teacher pay, etc.
Most studies are showing children with neurological damage from continued exposure to covid outbreaks in schools multiple times a year.
Lockdowns did not last more than a few months for the vast majority of school districts in the US.