You want me to read a result of a study on science, math, and literacy? Pfft! TLDR!
Joking aside, scale is all over the map on their article. 10 point drop (out of ???) in reading since 1992, 3 point drop in math since 2005, and 4 point drop in science since 2019, but this time for 8th graders.
It's hard to correlate so many variables; a graph would help. Still, I'd expect COVID times to be a stumble, but hope to regain momentum by now.
This is absolutely the gatekeeping and control Trump's dictatorship wants to wield over companies and people. I'd be surprised if they stuck to precedent; their whole shtick is to rewrite application of law to their objectives, sidestepping Congress.