Drugs and stuff i need info?

ok so im 13 i was going to smoke weed with my frineds like soon if my frined could get some.it will be my first time and i odnt really plan on doing it again.i just wanted to try it and see what it feels like to be high.my frined said its not addictive but i thought it could be> is it? and our school mite be drug testing us and what would happen if i got caught would they tell my mom? and my bf said he doesnt want me smokin weed ever so idk do u think i shud or not? im not like dieing tosmoke weed but i wanna try thnxx :)