Daniel Dennett's NYT essay on intelligent design is spot on from beginning to end. If you're confused about this issue, this is the place to go.
Since there is no content, there is no “controversy” to teach about in biology class. But here is a good topic for a high school course on current events and politics: Is intelligent design a hoax? And if so, how was it perpetrated?
OK, that's a good high school question. But how about a question for adults? Has the hegemony of secularism in public institutions, such as the schools, generated it's own backlash? Is intelligent design a symptom of a much deeper problem: the failure of our public institutions to embody the ideals of liberal neutrality?