Hello Emad,
It is a bit high in my eyes too but still that are the requierements of the board. Als, if you follow the training and help that IELTS offers online it is not that difficult. I managed to get it and I feel my english is not perfect. But hey, I also have heared stories of people who tried and tried and failed the stupid test like 5 or 6 times. And actually, they had a story on it in the newpapaer here in Wellington about a teacher who needed it for his registration. He failed to get the right score for like 3 times nad then one of the teachers from the school he was a teacher aid at, tried and she failed too. She was a Kiwi! Yeah mate the pain we go throughto get what we want...
Hang in there!
Kind Regards,
Eline