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Formative assessment expert Dylan Wiliam headlines Principals Conference

The 2013 OASSA/OESPA Annual Principals Conference offers participants the opportunity to learn from nationally-acclaimed formative evaluation expert Dylan Wiliam, author of Embedded Formative Assessment, and much more.

Free annual Principals Conference registration offered for first-year principals

Because COSA, OASSA and OESPA recognize the value of supporting new principals, we're offering no-cost registration Annual Principals Conference.

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