It is hard.
I did standard and got above that.
It is EXTREMELY hard to get Band 6 in Standard. This year 56 students got Band 6 in Standard English. That is out of 34,593 students (0.16%)
Band 5 was 8.7% this year (3,011 students)
Compared to Advanced, which is 13.3%B6 and 44.85%B5