To answer the OP, though...Like Ambaryerno, I would do away with the sliding time-scale.
I would undo pretty much all of the X-line until roughly Schism (while retconning Schism itself to be based off a conflict that actually makes sense). Xavier's dream failed. Magneto's dream is too extreme. Cyclops is trying to find a middle path despite being pushed further and further into Magneto-esque territory. Storm, meanwhile, just wants a place for mutants to be themselves rather than a paramilitary unit, so she takes over the school in New York. Wolverine continues leading X-Force until he eventually meets his end in a similar fashion to what happens in Logan, with his aging causing his healing factor to no longer effectively protect him from adamantium poisoning. Jean stayed dead when she was reduced to a pile of moon dust. Hope Summers is the reincarnation of Jean via the Phoenix Force. The New Mutants and the New X-men generation go on to become the prime superheroes and title A-listers, and eventually a new batch of mutants are created to become their pupils, etc. Here's the title breakdown:
Uncanny X-men: Cyclops and his team, the main X-men/superheroics book. Dealing with protecting a world that hates and fears them (and making the world more and more afraid).
Academy X: Storm, her fellow instructors, and the students at the school. Much more character-focused stories rather than plot-focused.
X-Factor: focuses on a rotating cast of characters who are too old to be in school yet too young to have committed to teaching or superhero-ing. What does it mean to be a mutant in society?
X-Force: limited series about mutant black-ops. Led by Wolverine until he dies, then the team is exposed and folded into Cyclop's book.
Exiles: book dealing with all manner of time-displaced/AU mutants and their wacky adventures.