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Stock up on summer PD reading with 25% off + free shipping on books through June 30.

Use code LASTDAY25 at checkout

Corwin online ordering services will be unavailable due to system maintenance on June 14th from 6:00pm -12 midnight PDT. If you need assistance, please contact order@corwin.com. Thank you for your patience and we apologise for the inconvenience.

Catherine Sambo Duncan

Catherine Sambo is vice president of Kinney and Associates where she supervises site-based and field-based staff, provides a leadership role in all sales/marketing presentations, and designs and implements workshops relating to the relationships between curriculum, standards-based assessments, and student achievement. With more than a decade of educational consulting experience in over 300 schools Sambo offers her expertise in the collection and use of data for improving classroom instruction and student performance. She received a bachelor’s degree in elementary education from Loras College and a master’s degree in educational administration from Governors State University.