A growing collection of useful sites...
www.bbc.co.uk/schools/gcsebitesize Lots of free support for GCSE students
www.mathcentre.ac.uk Lots of free materials for A' level students
www.examsolutions.co.uk The most fantastic GCSE an A' level resource for visual learners like most learners are. This site includes lots of free you tube tutorials and you tube answers for many past papers
www.tutors4me.co.uk This is the only site I know which is free to use for parents to search for a tutor. It is the only site I have come across (other than agencies which charge commissions) which is beginning to verify teachers are qualified and that they hold an "enhanced" CRB