Phone: (719) 757-1693


Degrees and Certifications:

B.A. in Political Science/ Crime and Delinquency Studies, University of Kansas, 1983 B.S. in Secondary Education, Kansas State University, 1989 M.A. in Modern European History, University of Missouri- Kansas City, 1993

Mr. Mark Klopfenstein

Social Studies Teacher

Mark Klopfenstein is back for his 9th year at PRHS, and 34th year overall. He has been a reader for the AP US History exam for the past 22 years, served as a reading leader from 2008-present, including as an Exam Leader for the 2017-2022 AP US History readings. Mr. Klopfenstein has worked as a consultant and author for several large publishing companies, as well as Educational Testing Service and College Board. He is excited to be in Colorado and a part of the Palmer Ridge High School team!

Classroom: A2108
Office: Neighborhood C


  • Period 1 - Steering Committee/ Plan
    Period 2 - AP United States History
    Period 3 - AP United States History
    Period 4 - AP European History
    Period 5 - World History and Geography
    Period 6 - Plan
    Period 7 - Macroeconomics
    Period 8 - World History and Geography