ISSIT WRONG FOR a 14 year old to be stressed ????!??!?!?!?

im stressed out so much and not with skool work and stuff but i am not gonna tell a bunch of strangers so i have loads of trust issues due to my past and as much as i want to trust someone i cant (and ppl say they care but they couldnt careless) and tecahers are too nosey and i dont trust my parents or siblings i dont even trust myself (i know that sounds weird) anyways how do i reduce the amount of stress im putting on myself because when im angry i keep my anger in i just want to scream but i cant sooo please please please please help me !!!!!