One of these things is in the power of the school district, as long as they can convince local parents that it's a good idea (not easy, but studies help). The

One of these things is in the power of the school district, as long as they can convince local parents that it's a good idea (not easy, but studies help). The other is in the power of... who? Possibly nobody. Possibly the American federal government -- but it's not even clear that they have the power to do this. Either way, the same "they" does not have agency over both things. It makes sense to consider the thing you can actually do.