Philip Jahnke is a Geometry, PAP Geometry, and AP Calculus teacher at Centennial High School. This is his 8th year of teaching, with this being his 5th year at Centennial. He is married to Amanda and they have 2 children, Reuben(6), and Penelope (1). His hobbies include teaching math, gardening, and playing with his children. Mrs. Klaiber says, "Mr. Jahnke has been working extremely hard making sure the Math Department is on track with technology to better aid our virtual students, as well as working with his own classes."