Year 10 were asked in their recent mock exam if there was any point to prayer. They were very divided - perhaps it made you feel better, perhaps God did answer prayer but maybe not in the way we would hope or perhaps praying is a pointless activity as God either doesn't care, can't answer everyones prayers as they conflict or he simply doesn't exist.
At A level we will consider prayer as a religious experience and in the sections on miracles. Read the above article on damaging climate change in Kenya and consider whether you think prayer will help in any way.