Mark Koester
  • Male
  • Denver, CO
  • United States
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  • Eric Siegel
 

Mark Koester's Page

Profile Information

School / Work Affiliation
Gateway High School
About Me
I am high school mathematics teacher leader. I teach 2 9th grade classes, 1 12th grade class and I also coach several math teachers.

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At 8:25am on November 7, 2009, Eric Siegel said…
Welcome to Classroom 2.0. Now you can help me figure it out.

Eric
 
 
 

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