Really good peer education relies on at least one of two things: Either direct personal experience of what you're talking about it, or an understanding of what you're talking about that's so good that not only can you talk about all the tiny details but you can make it simple enough to explain to a a five year old.
For some great background information on today's news, try the Guardian's 'issues explained' pages.
For some good simple explanations of different current issues, check out the Newsround guides
To find out what's going on about different things in your area, try the Downing Street pages here. Some summaries of the most interesting bits are on the individual pages below...
Your Rights (Summaries here, full text developed by Liberty)