The state directs such small accessory units, to increase housing in cities. But cities get to regulate the local conditions. The fight in Seattle is joined in a few weeks.
Some kids' reading and math scores are going up, but it's because some of their teachers and school principals are cheating for them, and for their own benefit.
Some local high schools have dramatically improved graduation rates, and they've done it without the big structural changes grabbing attention around the country.