Wolverhampton Local Education Authority have been using Pocket PC devices in school for some time now! They have recently won the UK 2006 ICT in Practice 2006 award for Collaboration.
The press release is at http://www.becta.org.uk/corporate/press_out.cfm?id=4939
For those of you outside of Education Sector - Becta is the Government's key partner in the strategic development and delivery of its information and communications technology (ICT) and e-learning strategy for the schools and the learning and skills sectors.
The case study of their solution is at: