Guy @ My School Selling Cocaine!!?

Ok So theres this 1 guy who Ive had a crush on him for 2 months now.Since he is not in my classes i dont know him.Well today my friend who has him for 1 class told me that this 1 girl asked him "Hey did you bring it?" & he said "yea" & she asked how much & he said 200$ & she said dats cheap & my friend saw him give the other girl a bag of white powder durin class!,im guessin its cocaine..should I report this to the school office if I did not witness this?I like him alot?