Does he like me or not?

So this guy and i are friends not that close but we text and talk at school! And wenever he sees me he usually gives me high fives...and nowadays i would try to talk to him more and yeah.. Now he texts me more! He talks and gives me nicknames...and so he planned a pool party and told my friend whos in a grade younger than me to invite me..i like him obviously --; so since he invited me,, dus it mean he likes me? :P