or do they have to bring some of it home and do it for homework?

Fortunately for my dd, her 4th grade teacher seems to give the class plenty of time to finish their classwork. Last year, my dd said her 3rd grade teacher never seemed to give them enough time and she had to bring quite a bit of stuff home to do as homework.

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Every time we start thinking we're the center of the universe, the universe turns around and says with a slightly distracted air, "I'm sorry. What'd you say your name was again?" ~ Margaret Maron

Yes