sydney511, there was a school house in 'Little House on the Prairie'. The children all went to school. They did their chores in the morning, went to school, then did chores in the evening and ate dinner before doing their homework. Early in the evening they went to bed and repeated everything the next day.
The school house had one room and all children/grades were taught by one teacher. When an actual school house wasn't available (or hadn't been built yet), the children were taught in the church. Laura Ingalls was so impressed by her teachers that she decided to become a teacher too.
It may have been the 1870's, but schools (and proper schooling) were what separated the townsfolk from the 'savages'
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Of course, you can play your town and families any way you wish. I just thought I would clarify that period in time for you.