Charter schools work, in many cases. because they function outside of the fossilized, bureaucratic regulation encumbered, teacher union burdened system. No wonder they are developing a common sense of destiny and identity. Its very probably necessary for their protection and survival.
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The intermingling, which began with shared “lessons learned” and expanded into shared training and more, could yield the “Internet” era of charters, a time when the real impact of the idea manifests itself, as the best schools get even better and the low-performing charters (and low-performing public schools and districts) face increasing pressure to improve or close.