1) Uniforms, uniforms, uniforms. I went to a very... diverse public school. Let's just say our school was notorious for our record high amounts of fights, robberies, and vandalism. If you've ever seen Only The Strong, it was kind of like a watered down version of that school. The thing is, they enforced the uniform rule (quite recently) mostly to make the school a safer environment from outsiders. Because it's impossible to simply but a white polo shirt and khakis from Wal-Mart and simply stroll into the school. On more than one occasion, people have walked out of the school with computers, DVD players and even the projectors. They were being caught on camera and have been spotted by eye witnesses. The kicker? They could only be identified by the clothes they were wearing: the same fucking thing as everyone else.
2) The old principal must've been a fan of music because he had no problem with people bringing in their own little boomboxes to listen to outside during lunch, or in some cases bringing your instruments to school. We had so much fun taking our guitars and portable amps to school and having little jam sessions during lunch and the principal had no problem with that. When the new guy rolled around, if you couldn't immediately prove you were in a band program and that the instrument you were carrying was the one you play for band, it was automatically considered a weapon and confiscated.
3) Hell forbid your are a second late for class for any reason that doesn't require paperwork. Your ass was kicked the fuck out if it wasn't plastered on the seat by the time that bell rings. I had a large school, and having only two minutes of weaving in-and-out of people flat-out camping in the hallways made every ring of the bell both a time trail and an endurance test.
4) Unless you were in some sort of club hosted in the library, you had to make a fucking appointment to use the library. Yeah, you can't even go in there during lunch because it was jammed full of all the people from computer club, chess club, book club, anime club, etc.
Also, the librarian was a fucking moron. She talked the principal into enforcing a ban on Wikipedia from being used in the school, bringing us to a another rule...
5) No Wikipedia. Her reasons? Because it's not moderated, there's absolutely no sources, and it's hard to navigate (harder, than say, the school resource sites that require you to know three sets of logins and passwords, and then stumble around the search engine until you accidentally run into whatever it is you were looking for in the first place). Of course, let's not mention that this particular librarian has an extremely bad case of ADD (a fact she doesn't shut the fuck about) so I suppose scrolling down the the bottom of a page or paying attention to a website for more than five minutes is a fucking accomplishment for her.