Explore the evolution of educational assessment over the past 40 years and its impact on teaching practices in this Dean's Lecture Series presentation. Delve into global shifts in employment, education, and social life that have necessitated new approaches to assessment and communication methods. Examine the influence of key individuals and theories on assessment trends, analyze case studies of systemic changes, and learn about the University of Melbourne's role in pioneering innovative assessment techniques. Gain insights into future assessment changes for the 21st century, including the importance of the "four Cs" and collaborative problem-solving. Discover how Professor Patrick Griffin, Director of the Assessment Research Centre and Chair of Education (Assessment) at the Melbourne Graduate School of Education, reflects on his extensive career and predicts the future of educational assessment.