The fix may take a long time, but the bigger problem is there are no workable ideas for a fix. It's not like better education hasn't been thought of, attempted, and tons of money dumped into it. Results have been mixed at best.
If you want the British to take back control of the USA so that the British can enforce the superior* British education system onto the USA, that would be very very funny to watch, but I don't think it would be "easy" — especially when people realise it means no guns in schools or anywhere else.
* The British system may not be superior, I left uni in 2006 and the UK in 2018, and UK politicians have been fiddling with education seemingly forever.
But that just means you should substitute whichever country is doing education best at the moment; the point is, even obviously correct things are still hard in the world of politics.