Lots of Resources for schools collated at the Royal Geographical Society.
Pavement Geology
The team at Pavement Geology have created a wonderful database of urban geology, which started in London, but has spread to several other UK cities. Check out London Pavement Geology!
Geoscience for the Future
Natasha Dowey and her team at Geoscience for the Future are compiling a great list of resources on their website. Well worth a look.