Good stuff.
For the recent TeachMeets I’ve organised I’ve used the Scottish Schools Database to send an email to every single school in the area to be forwarded onto staff in schools. It’s quite labour intensive, but I’m convinced this helped get new faces along to both tmLothians11 and tmSLFringe12.
http://www.educationscotland.gov.uk/scottishschoolsonline/index.asp