Here are some useful links to resources, events and organisations:
SEND Computing Website – Find useful resources, ideas and links to other sites for those teaching the Computing curriculum to students with special educational needs.
Teach London Computing – A selection of excellent unplugged (i.e. without a computer) activities for Primary Computing. Perfect for introducing computational thinking concepts.
Code-It – A huge number of computing resources created by Phil Bagge for primary teachers, with some relevant in KS3 too.
Barefoot – A collection of computational thinking resources for educating teachers and primary age pupils.
Maker Pro – A platform for makers to share their orjects, but also to learn how to get statred with Arduino, Raspberry Pi and other micro-controllers.