Does he like me back or am i wasting my time?

okay i like this kid hes a junior im a sophmore. he knows my older sister and kept asking her . "does brit (me) have a boyfriend? so i was sure he kinda liked me but the other day i was walking with my friend in school and we seen him and i said omg you have to beat danny up again . and he just kept walkin. i was really mad. do you think he did that cause i was with my friend and he felt awkward or he just doesnt like me ? help thank you so muchh !