Math Department 

Course Offerings and links to Course Web Pages 

• Principles of Mathematics I • Principles of Mathematics II • Algebra I • Geometry • Algebra II • Accelerated Algebra II • PreCalculus • Accelerated PreCalculus • Probability/Statistics • Calculus 

Instructor Bios and Web Pages 

Amy Brown: abrown@carroll.k12.ia.us 

Scott Duhrkopf: sduhrkopf@carroll.k12.ia.us
Scott Duhrkopf BS Aerospace Engineering Iowa State ’85, BA Math Education St. Cloud State ’95. Mr. Duhrkopf joined the CHS staff in 1998. He previously taught at Nora SpringsRock Falls. He is currently the physics, calculus and precalculus teacher and has previously taught Algebra II. Mr. Duhrkopf also coaches 8^{th} grade boys basketball and was the assistant varsity baseball coach. 

Nathan Seuntjens: nseuntjens@carroll.k12.ia.us
Nathan Seuntjens is currently in his 8th year of teaching mathematics at Carroll. He graduated from the University of South Dakota in 1994 with a B.S. in Eduacation. Nate has also taught in the Albert CityTruesdale and Woodbine school systems. While at Carroll, Nate has taught algebra, Algebra II, probability and statistics, Math I, and Math II. Mr. Seuntjens has also cooached volleyball, wrestling, and basketball while at Carroll. 

Karen Raymond: kraymond@carroll.k12.ia.us
Karen Raymond B.S. University of South Dakota in Secondary Mathematics and Biological Sciences in 1987. Mrs. Raymond has taught high school mathematics and technology at Twin River Valley in Bode, Iowa and CAL Community Schools in Latimer, Iowa. At Clay Central/Everly, she taught middle school mathematics. Currently, she is teaching geometry and principles of mathematics and is a member of the Building Improvement Team at CHS. 


