• Welcome!
    Ms. Kostkan graduated from Miami University of Ohio with a Bachelor of Science in Secondary Mathematics Education and a Bachelor of Arts in Mathematics and Statistics.  This is her tenth year at DHS, and she is teaching Precalculus and Calculus!
    All resources and class materials can be found in Schoology.
    Teaching Schedule:

     A Day

    B Day 

     1.  Precalculus

    5.  Precalculus
     2.  Calculus 6.  Calculus
     3.  Calculus 7.  Duty
     4.  Planning 8.  Planning