Hi Jeff, I love your thinking (as we discovered before :-) You might also find the Project Based Learning approach helpful in developing your adapted service design approach. The PBL model is sued in many schools and to my mind enhances some of the potential gaps in a design thinking approach. High Tech High has great resources on same. Let's talk some time.
Hi Saskia! nice to see you here and of course I love the way you're thinking > check out what I am working on post Butterfly http://emerbeamer.wordpress.com/unexpect/ at the mo I am developing running some prototype workshops, partly with the aim to investigate, what kind of issues would children be most interested in working on and where they have added value for.