I've written about this before, and I am writing about it again.
There are education systems around the world supported by their governments that recognize and value creativity as a means to economic, social and individual well being.
While American school systems are cutting fine arts learning opportunities and have become more narrowed, lock step and rigid in order to comply with federal and state standardized testing mandates, education systems in the European Commonwealth are actively encouraging a curricular balance between prescription and freedom; encouraging teachers to develop creative approaches to pedagogy and striking a balance between students' interests and those of educational policy makers agendas.
NAEA has begun to publish their white papers specific to advocacy. You can access them here.