Authors & Presenters

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  1. Susannah O'Bara

    Susannah O'Bara


    Susannah O’Bara is area superintendent for the Denton Independent School District in Texas. She has been an elementary school administrator for more than 15 years.

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  2. Ken O'Connor

    Ken O'Connor


    Ken O’Connor is an independent consultant specializing in grading and reporting. He has been a staff-development presenter and facilitator in 47 US states, nine provinces and one territory in Canada, and in 25 countries outside North America.

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  3. Mark Onuscheck

    Mark Onuscheck

    Assessment Competency-Based Learning Social and Emotional Learning

    Mark Onuscheck is director of curriculum, instruction, and assessment at Adlai E. Stevenson High School in Illinois. He is a former English teacher and director of communication arts.

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  4. Jeffry Overlie

    Jeffry Overlie


    Jeffry Overlie is an International Baccalaureate coordinator for Fridley Public Schools in Minnesota. He also works as an adjunct professor of education at Bethel University.

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  5. Douglas Reeves

    Douglas Reeves

    Assessment Leadership

    Douglas Reeves, PhD, has worked with education, business, nonprofit, and government organizations throughout the world. He is the author of more than 30 books and more than 100 articles on leadership and organizational effectiveness.

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  6. Anthony R. Reibel

    Anthony R. Reibel

    Assessment Competency-Based Learning

    Anthony Reibel is a creative, vibrant, and caring school leader who hails from Adlai E. Stevenson High School in Illinois, where he is the current director of assessment, research, and evaluation.

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  7. Samuel Ritchie

    Samuel Ritchie


    Samuel Ritchie is a consultant with 35 years of experience as a practitioner. For most of those years, he was the director of technology at Adlai E. Stevenson High School in Illinois.

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  8. Ainsley B. Rose

    Ainsley B. Rose


    Ainsley B. Rose is an author, a presenter, and a consultant. An experienced elementary and secondary teacher and principal, he is former director of education for the Western Quebec School Board.

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  9. Tom Schimmer

    Tom Schimmer

    Assessment Classroom Management & Behavior Leadership Response to Intervention

    Tom Schimmer is an author and a speaker with expertise in assessment, grading, leadership, and behavioral support. He is a former district-level leader, school administrator, and teacher.

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  10. Sarah Schuhl

    Sarah Schuhl

    Assessment Mathematics Response to Intervention

    Sarah Schuhl is a consultant specializing in professional learning communities, mathematics, assessment, school improvement, and RTI. She has been a secondary mathematics teacher, high school instructional coach, and K–12 mathematics specialist.

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