At your 'stage' i would recommend shooting your own stuff and shoot stills photography. Start from basics- imagery. Take stills and compare with 'Professional' photography. Learn about a camera- digital or film- four things in ALL cameras- aperture, focal length, ISO/ASA, Shutter speed and how they relate to image you create.
Next stage is to try get on a film set no matter how small as a runner ( be humble, be helpful, be proactive) and then try chat to the camera department- learn how a film set works (set etiquette- what they don't teach you in film school yet the most important thing you have to learn). Remember- at the end of the day- it is WORK.
If you want to apply to film school- go to the best ones (NFT)- but this is more for contacts than anything else. If you don't, work on set for 2 years- this can be film school you never had and real life work.
It is a very very difficult industry to break into (you will be poor a lot of the time) but not not worth doing if you really want to. But you have to really want to. It really is who you know- although you obviously have to have the goods to back it up.
Don't worry, you have lots of time ahead of you. Director or Cinematographer- must keep shooting and producing work! And observe the everyday and travel- nothing will inform you more about image, culture, movement and life.
JC