I support 11 primary schools through the week and only one of them has an electronic helpdesk, the rest have books or folders that the staff write issues in, or don't usually, and then grab me on the way through the school and get me to fix stuff spontaniously. I find it works because that is what they are used to, an electronic helpdesk would be good but teachers would still have to remember to put stuff on it. I would still have "Oh, just the man, I haven't written it in the book but could you just...."