benefit of a level i found than in +2

I just find that there are many benefit in a level which is lacking behind in +2. we can easily get admission in the universities abroad before result and there is maximum chance of scholarship. but in +2 we must wait for the result.

similarly A Level result will be very early than of +2 so that A Level students can talk forward them self 6 month than that of +2 student. So why not going for A level.