The UIS survey shows that a child in Sub-Saharan Africa is likely to study in an overcrowded classroom that can number as many as 67 pupils in Chad, for example, compared to fewer than 30 in OECD countries.

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The game is based in a classroom where there are a number of activities going on that can be controlled by the student if he focuses on that area.

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In 2009, when college administrators placed 40 crucifixes on classroom walls throughout the Boston campus, a number of faculty members were furious.

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Scale that up to the number of hours they are in the classroom, and then compare it to the salary of a teacher.

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From surveys and interviews, we have come to know that the number one reason for student success, in a classroom or online, is a caring instructor.

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"I do believe the confrontation was limited to a few (classrooms) or just one classroom -- not anybody roaming around and getting into a large number of areas, " Bernstein said.

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Teachers seeking "board certification" in their specialty must clear a number of hurdles, from subject matter tests to evaluation of classroom performances.

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There is a way to reconcile this: While increases in education spending are sold to the public as a way to improve results in the classroom, in reality most of the new money and headcount are going to anything but increasing the number of teachers.

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