My town/school district takes the second grade to the YMCA for swim lessons as part of their gym curriculum.

I'd never heard of such a thing until we got the permission slip, but I thought it was pretty damn awesome.

Both my kids are way better swimmers than me.

We also have universal school lunches (and breakfast), and during the summer they give out free lunch to kids at the town pools, every day, no means-testing. And the town pool isn't that expensive to begin with (and also really nice), but they do have a sliding scale for that as well.