gosh, just reading about your schedule makes me want to throw up with anxiety about fitting it all into a week! when I was in high school my only extracurricular was my bakery job, every friday afternoon + every other weekend (though my entire last year there I was working practically every weekend bc the other girl would rather party on weekends than work) and I burnt out on that alone combined with my homework load. my social life was pretty much limited to going to a friend's house after school, having an after school snack, watching an episode of gilmore girls (which was her thing rather than mine, I have retained nothing from those episodes and suspect I spent my time "watching" them thinking about fanfiction or homework or something else) and then doing homework together, until I went home and had dinner and did more homework.

the bakery I worked for was, hm, I don't know that it was necessarily nicer than the one you worked for. my boss, the owner, forbade us to use our personal phones at work, so if there was a lull in customers we weren't allowed to hang out in the back room chilling, we had to be behind the till just twiddling thumbs. he could be a bit strict. now this was the best bakery in a huge radius so there was almost never a lull in customers, it was super busy! plenty of regulars too. I still remember many of them.
I can't say I've ever worked anywhere where drugs were being dealt out of the kitchen, though!!