• Mr. Duncan has been teaching for 31 years. He has taught in Non-Public schools, Catholic School, Court and Community Schools, and Public Schools. Mr. Duncan has been teaching for two years in the San Juan School District. Mr. Duncan has a Single Subject Teaching Credential in Social Studies and a Learning Handicap Credential. He also has a Resource Specialist Credential with an emphasis in Emotional Disturbance.

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Last Modified on March 10, 2016