The Boy in The Red Jumper

Teen!lock fanfic: Sherlock is headed to a new school, a boarding school much to his disgust. Mycroft thinks it will help him stay in line but Sherlock is determined to prove him wrong, That is until he meets his dormmate John Watson and Sherlocks plan goes out the window. Sherlock doesn't want to mess up Johns happiness at being here and having him as a 'friend' because he wants to prove something to his brother but at the same time the words flying around his head are 'caring is not an advantage'... A/N Coverart is not mine, I couldn't find the original artist but if you can find them pls tell me so I can credit them