You can speak to your teacher, counselor, librarian or maybe contact the Department of Labor or Education and etc. to see if you could get any informaton and resources for these careers or occupations
You would need to major something that is related to Game Programming, Digital Arts, Computer Animation and etc.
There are some community colleges (2 year) that offer Associate Degree in Game Programming, Computer Animation and etc.
After you graduate with an Associate Degree then you can transfer your college credits to a 4-year college in order to continue your education
You can also use a search engine like Google to find many free tutorials, forums and etc. for learning about computer animation, game programming and etc.
Game programming tutorial
http://www.google.com/search?hl=en&q=Game+programming+tutorial&oq=Game+programming+tutorial&aq=f&aqi=g5g-j3g-m2&aql=&gs_sm=12&gs_upl=30093l30093l0l31015l1l1l0l0l0l0l79l79l1l1l0&gs_l=serp.12..0l5j0i18l3j0i5l2.30093l30093l0l31015l1l1l0l0l0l0l79l79l1l1l0
Create computer animation
http://www.google.com/search?hl=en&q=Create+computer+animation&oq=Create+computer+animation&aq=f&aqi=g1g-v7g-b1&aql=&gs_sm=12&gs_upl=18531l18531l0l19515l1l1l0l0l0l0l94l94l1l1l0&gs_l=serp.12..0j0i15l7j0i8.18531l18531l0l19515l1l1l0l0l0l0l94l94l1l1l0
Free game programming course
http://www.google.com/search?hl=en&q=Free+game+programming+course&oq=Free+game+programming+course&aq=f&aqi=g1g-v1&aql=&gs_sm=12&gs_upl=17860l17860l0l18985l1l1l0l0l0l0l93l93l1l1l0&gs_l=serp.12..0j0i15.17860l17860l0l18985l1l1l0l0l0l0l93l93l1l1l0
There are also many Free software for creating computer animation and games and etc.
Free game programming software
http://www.google.com/search?hl=en&q=Free+game+programming+software&oq=Free+game+programming+software&aq=f&aqi=g3g-v2g-b3&aql=&gs_sm=12&gs_upl=29453l29453l0l30422l1l1l0l0l0l0l78l78l1l1l0&gs_l=serp.12..0l3j0i15l2j0i8l3.29453l29453l0l30422l1l1l0l0l0l0l78l78l1l1l0
There are also many online forums for game programming, computer animation and etc. You can ask them for any advice and informaton.
Game programming forum
http://www.google.com/search?hl=en&q=Game+programming+forum&oq=Game+programming+forum&aq=f&aqi=g1g-v4g-m2&aql=&gs_sm=12&gs_upl=19500l19500l0l20266l1l1l0l0l0l0l78l78l1l1l0&gs_l=serp.12..0j0i15l4j0i5l2.19500l19500l0l20266l1l1l0l0l0l0l78l78l1l1l0
Good luck and I hope this will help