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Commentary: ? We all know what it feels like. Everyone hates it when his or her arm goes numb. Why do students' arms go numb? Contrary to popular belief, it is not from sniffing white out or permanent markers. Numb arms are a common result of raising your han ....

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.... to sit down and devise a plan to minimize the student to teacher ratio. People are very concerned about having Internet access in every classroom. How are all the students supposed to take advantage of this opportunity if they have to wait in a long line for their turn? Smaller classes seem to be the answer. No more numb arms because some poor kid raised their hand and the teacher did not even notice. With fewer students in a classroom, teachers can spend more one-on-one time with each student, giving them the individual attention they need. Not all grades benefit from class size reduction, though. A national study proved that "smaller class ....