If you are considering taking a gap year (either during your studies as a year out, or after you graduate) you will need to spend a long time planning, not just for where you want to go but also - what will you tell employers about your experience when you get back?
Employers generally like students to have taken a gap year - as long as it demonstrates skills. If you have spent the year just sitting on a beach you may need to sell it to employers a bit more than if you spent time volunteering with children, taking on part-time work, or teaching English as a foreign language.
Gap years can be opportunities to do a number of different things:
The best way to approach a Gap Year is not consider it as a break, but as an important addition to your CV. After you finish, you will not only have school, university, part-time jobs etc, you will also have a unique experience that can really give you the chance to stand out from the crowd.
Some useful sites for research: