Am i to old to start ballet? help please!?

Hi my name is megan and i am 13 years old and am going into 9th grade. I have been taking dance cles for two years, but only jazz and hip hop, and it was only one cl a week. But i desperately want to start ballet, and i think that if i do i would love it a lot. I just practice the positions and do plies around the house along with little twirls here and there and i already think it is my pion and future, and i can’t bare to see it on stage knowing i can’t do it. But my goal is to start ballet this upcoming school year (when cles take place) and i hope to be at pointe level, so i could take it senior year… do you think that is possible? there are girl’s in my grade that have been doing pointe since like 6th grade, should i give up? is it to late for me? And i know i am younger, but i hope to be a dance major in college, what can i do in my 4 years at high school and in taking dance to help me persue that dream? sorry about all the questions but i really hope to do this. thanks ahead of time!!