If you are interested in becoming a journalist, one of the best things you can do for yourself is to get as broad a liberal arts education as possible. Don't believe me? Check out the advice given by professionals at Journalism.org. If you're going to succeed as a journalist, you need to have the education that will make you an informed reporter. Thus, you'd be well served to take classes in political science, economics, sociology,
If you want to start investigating journalism schools, go to Journalism.org's listing of journalism schools. Look specifically for Masters programs
To get a sense of the job market, take a look at Journalism.org's job links.