刚刚去UKBA看的，
You will score 30 points for having a valid confirmation of acceptance for studies (CAS). When you apply, you must:
write your CAS reference number on your application form - your Tier 4 sponsor will give you the reference number; and
send us the documents you used to obtain the CAS. These documents are described below.
红色部分不理解，我是直接去学校办公室要的，工作人员是用email发给我的，我需要把email一起打印出来和表格一起寄吗？
还有就是，
UKBA的网页上哪里可以找到准备签证材料的清单啊？找老半天了也没有找到