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Christie, Kathy – Phi Delta Kappan, 2005
In Physics "critical mass" refers to the minimum amount of fissionable material required to sustain a chain reaction. The adoption of state education policy isn't often equated with this concept, but occasionally solutions and ideas seem to gather around a common problem. If the solution at hand is simple, easily understood, and…
Descriptors: Educational Trends, Educational Change, State Legislation, School Law