One of the key changes to the new GCSE is the study of a second religion. These resources should be useful for homework, wider reading and developing your understanding of Judaism
Letters to Josep: Judaism, as told to a Christian friend - a fascinating blog with search function
Email a Believer - A selection of answers from Jewish people to key questions about the faith
These websites have been recommended by experts in Judaism. They contain reliable and accurate information:
http://www.torahtots.com/ (Basic info)
GCSE Judaism Syllabus - An interesting overview of some Jewish opinions on the Judaism specs - a faith insider view!