Here is the Python workbook for you to use
Computing at Schools
This site has some really useful resources for the teaching of Computing as well as being a focus for discussions around the computing curriculum in schools.
The ICTED Blog
This site is the fore-runner of the current site. It started out as a Moodle course to be used by the various schools in which I worked and is now a WordPress blog about some of the computing experiments and developments I undertake......
OCR GCSE Computer Science MOOC
MOOC = Massive Open Online Course. It is exactly what it is called! This website is an excellent resource for the teaching of Computer Science GCSE. It is provided free of charge by OCR for their syllabus and requires an account (free) to be created.