Karl W. Kosko

Dr. Karl W. Kosko

College of EHHS
Associate Professor
Office Location:
401-E White Hall
Contact Information


Karl Kosko earned his undergraduate degree in Elementary Education, with a minor in mathematics, at Winthrop University in Rock Hill, SC. While teaching in the Rock Hill School District, he also received his M.Ed. in Middle Level Education with an emphasis in mathematics. Later, he attended Virginia Tech and earned his doctorate in Curriculum and Instruction with an emphasis in Mathematics Education. He then completed a post-doctoral fellowship at the University of Michigan with the GRIP project before taking a position at Kent State University. His research interest focuses on how mathematical meaning is conveyed, including studies of mathematical argument & discourse, multiplicative reasoning, and using representations of practice in elementary mathematics teacher education.


Post-doctoral Fellowship, University of Michigan, Ph.D. in Curriculum and Instruction (Mathematics Education), Virginia Tech, M.Ed. in Middle Level Education (Mathematics), Winthrop University, B.S. in Elementary Education (Mathematics Minor), Winthrop University


Elementary School Multiplication/Division, Mathematical Argument (written and spoken), Using Representations of Practice in Teacher Education

Research Methods

Quantitative: Multiple and Logistic Regression, Hierarchical Linear Modeling, Modern & Classical Test Theory, Rash Modeling, Structural Equation Modeling, Factor Analysis, Non-Parametric Statistics, Qualitative: Discourse Analysis, Systemic Functional Linguistics, Mixed Methods


  • 2020 President's Faculty Excellence Award (Kent State University)
  • 2019 Outstanding New Faculty Research and Scholarship Award (Kent State University)
  • 2019 Outstanding Early Career Researcher (College of Education, Health, & Human Services)
  • 2015 – 2016 Kent State University – Teaching Scholar
  • 2014 – 2017 Participating Fellow in the LessonSketch Research and Development Fellows Project (NSF #DRL1316241)
  • 2013 STaR Fellow (Service, Teaching and Research Program – 4th Cohort)