Journalism is a good field if one knows the art of playing around with words and has a good command over the language. No one enjoys reading a poorly written article. Patience and ability to accept rejections are a part of a journalists life as you cannot expect all your articles to get lapped up by leading publishing houses. A degree in mass communications is a good start. With technology boom, one can start writing for online portals.
A few important add on's like knowledge in photography, basic knowledge of computers, passion for reading, knowledge of a foreign language and making contacts to expand horizons is a great way to climb the ladder of success.
A different branch from the usual journalism is specialising in sports or music journalism.
You need not be a star athelete in your school team. If you have the passion for sports writing about sporting events is a satisfying field. What is the first step to become a sports writer? Firstly, try to get actively involved in writing in the school magazine regarding the sporting events happening. This will help you develop your writing skills. Try to follow a particular teams sport, habit, information about the star players and coaches etc to make your article more interesting.
Music journalism is writing about a particular band, artist etc. It is not very popular as the regular journalism as there are no special training methodology. Publishing houses will expect you to have knowledge about great singers, their music etc and stylish and indepth articles will get you noticed.