This is what Carlson says. And it seems like this is a rather unusual school which doesn't mean that it's of lesser quality. But it seems that they have a different approach to teaching and should be evaluated in a different manner... their measures of student achievement should be different.

“Our school is based on community. We want to eventually be a sixth-through-12th grade school anyway, so we’re always going to have multiage learning happening,” Cushman-Patz said. “We want our communities to be able to engage with each other when it makes sense to do so, but at the same time, the space that we’re getting is an underutilized part of campus where Kaimuki’s students aren’t going.”