Our professional development needs can be vast.

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"The unfortunate thing is we've invested on average about 430 to 440 hours of professional development around our model, " McClellan says.

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Last summer, we assembled a group at HyperIsland, the world-famous digital training center in Karlskrone, Sweden, for what we call Ignition Camp, an intense professional development program for our youngest colleagues showing the greatest promise.

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By developing partnerships with higher education institutions we have been able to assist our teachers in earning advanced degrees and in providing exemplary professional development opportunities.

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Professional development was a major first step in our endeavor.

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The fallacy of our thinking is that employment in established corporations is the model for income stability and dependable professional development.

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And that's why our recovery package put a lot of emphasis on teacher training, teacher recruitment, teacher retention, professional development.

WHITEHOUSE: Town Hall in Arnold, Missouri