Toby Manning has written a Guide to Teaching Go (PDF) .
Information about Teaching Beginners is also available in Chapter 4 of the Club Organiser's Handbook. 
We also have some advice for those intending to run a Teaching event .
In addition we have equipment and other literature that you can borrow/use. See here  for the current status.
There's also a dedicated KGS account  that we use for teaching purposes
Please note that we have an Accreditation System  for those who wish to teach in the UK.
We have much helpful advice for those who wish to run demonstrations of Go, start a new club or run one, or run a tournament via our Organisers page . Some of this information is accessible only to members of the Association, so if you aren't one why don't you Join our community ?
If you are a member you need to login , but if you've forgotten your password click on this link and request a new one. If you don't remember your user name please email the Membership Secretary .