You Need 5 GCSE's at C and above, And at least 1 A-level or GNVQ higher level or equivalent in order to apply to NATS.
Their are several stages to recruitment which involve different tests and interviews check out the forum for pages with help on that.
If sucessful training is carried out at the college of air traffic control in Bournemouth and the course used to take 18 months, although there are rumours that this is now 10 Months long with more on job training, Visit
WWW.NATS.CO.UK for further info about the application process and training.
Trev.