Work is pretty much the same, but depending on your job it can be way worse, or actually not that bad. I've had both.
Started off in a repetitive job with highly demanding monthly targets that we'd need to hit to get our full bonus (which was a significant part of total comp, salary was low as hell). It was an endless cycle of "X more days until Friday".
I transitioned into software engineering. Ya know what? Occasionally I was EXCITED for the next work week. It's still work and it's hella stressful and sometimes you wish you could take the next 5 years off and have no obligations. But a lot of the time, you're not actively waiting for the weekend anymore. Helps that my commute before I transitioned fully to home office was a 12 minute walk and I had after-work activities on weekdays to be excited for.
School for me was living hell for 5 days a week, working for me is alright and at least i also have money to use in my free time. Which I have less of of course, but even if school hadn't been hell I'd never want to go back.
Which is to say, if anyones reading this who's still in school and is getting discouraged from people saying working is worse, don't be. It's very subjective and depends on your job too. If school feels like torture, work will probably be an improvement.
Honestly the worst thing about school were the other kids. Everybody are little psychopaths and are utterly ruthless. At work everybody just wants to get paid and no one really gives a shit about other's business (YMMV though).
Also there's no homework, which is a godsend as somebody with ADHD. Just show up, work your little butt off and go home, nice and simple.
Yep, the other kids traumatized me for life lol. And they didn't even hate me or anything, as I found out by them becoming generally fine to interact with in like 11th grade when they were 17+.
The homework I was thankfully able to just flat out ignore. But that along staying up way too long and as such struggling to stay awake in class lead to friction with teachers, so once the other kids weren't a problem anymore, it was instead the classes themselves. Which were also just mostly very boring and very slow, and I'm suspecting I also have adhd.
Mostly the other kids, but I know for a lot of people it was the teachers (or parents and their attitude/expectations) too.
There's been exactly one school shooting in my country and I happened to know people at that school at the time. They said the teacher that got shot was literally picking on the one kid with a strict military father knowing he'd get punished any time he got bad grades.