With the lack of gcse's I think you will not stand a chance of getting on an airline scheme. However, places such as ctc wings will most likely still take your money and train you to become a pilot, but unless ctc can place you will an airline you will still have difficulty finding a flying job with no gcse's or a-levels.
The good news is that after you have got some experience, airline tend to concentrate on the number of hours you have other than your education. It's finding the first flying job that could be tricky