It's also damn near the only career in the US that provides roughly European levels of time off, and, crucially, pretty good (by US standards) parental leave. Time it right and you can be off for four months or so with your newborn, which is a very rare benefit in the US (yeah, I know, some super-rich tech companies offer such perks, but those are uncommon jobs).

Teacher's schedule also means that parent can usually handle afternoon-but-before-5 kid stuff, if the other parent's schedule's standard and inflexible.

> Some pairings are simply volume. There are a lot of nurses and teachers, so they show up on top of the list often.

Lastly I know some people who avoiding marrying other teachers because the combined salary is less than many single professions.