'Back in my days' (I can say that now.)
I would..
-eat hash brownies before school for breakfast
-smoke in my car before school [9not on school grounds though]
-Almost always snorted/swallowed uppers to get through the day
-sometimes snorted xanies b4 school, and ate more during the day
-occasionally hydrocodone
-muscle relaxants from time to time
-and of course the cliche one, i would put clear alcohol in my water bottle
Never got caught for any of these, though most of my teachers knew I was on something/high. Hydrocodone was the stupidest one on the list- once i nodded out and my teacher was watching me do it lol. The stimulants nobody could ever tell, muscle relaxants nobody could ever tell the difference (& if anyone tries this just don't fall asleep on these- I can imagine you wouldnt wake up for a while

), marijuana was at one point an everyday thing for me so that was my normal and no one noticed the difference really.
I suppose it'd be a bad idea to drugs at school if you are going for the 'high school/college experience'... ("ooo I'm making friends", "cant wait!.. I'm going to prom with my boyfriend whom cheated on me & I took him back!", "I'm gonna try to become homecoming queen and be so popular!!!", lol, you know that type of bullshit).........
but, for me I couldnt stand the structure and organized learning so all I was worried about was getting my shit done, getting good enough test scores IF I chose to continue to college, and getting the fuck out of that puppet show! [most people in the school systems, here, atleast are simply puppets on a string]
oh and my reason for using was pure boredom
But I can honestly say because of my drug use at this time my highschool experience was a foggy haze! :D
Oh oh oh and freshman-sophomore year of HS I would take robotussin on school nights and go in school walking like a robot, people looked at me weird but I honestly didnt care.