Yeah in an ideal world it would be better.

But in this one in a lot of areas the teachers and others have to fight hard just for the bare minimum stuff because the KKKristian parent groups would rather their children remain ignorant out a belief they'll be chaste if they're not told about it or told that abstinence is the only acceptable option and that nothing further will be said on it. That and those same groups pushing to fear-monger about condoms always break or aren't effective or how birth control is dangerous and their anti-abortion messages they want inserted. Just to get out the bare minimum cis/straight focused scientifically accurate sexual education to kids is an incredible battle in many areas.

You add in teaching kids about non-straight matters and these same already furious fundies go through the roof with rage about woke and indoctrinating children and so on and they pull in some other people who have homophobia to join them at that point. In a big progressive city you can do that and not have them sweep the school board and shut it all down but you still have all these fundies who are literally a few drinks and a little encouragement from another party away from picking up their rifle and murdering people over this kind of thing. And many of them will pull their kids from public schools to put in private Christian schools with no regulations or rules where the teachers can scream all day about how non-straight, non-cis people are demons who are going to hell and where the kids themselves are little monsters who will bully anyone perceived as queer. And many states give tax money to these schools with the end goal of the Christians being completely defunding the public school system by attrition so the only good schools are Christian ones. There's no easy solution to this.

Which comes back around to one important thing: America needs a cultural revolution on steroids if it is ever to be saved. Probably two or three such happenings really.