In Indiana at least it was semi-optional in '88 and I think they just had a morning class and an afternoon class to double the number of kids who got to go. But

In Indiana at least it was semi-optional in '88 and I think they just had a morning class and an afternoon class to double the number of kids who got to go. But I mean, I'm pretty sure they went full-day as soon as it was possible. It's free childcare and way more households now are dual income.