Principal Christensen is a veteran Saint Paul Public Schools principal. He retired as the Executive Director for High School Education in 2009 after ten years as principal at Battle Creek Middle School and assistant principal positions at Humboldt, Johnson and Highland.  Since his retirement, he has worked for the Wallin Education Foundation, was principal of Minneapolis North High School, and returned to serve as substitute principal at more than twenty Saint Paul Public School sites. His long-term assignments include Capitol Hill Magnet, Jackson, Highland Park Senior, Washington Technology, and two different multiple week assignments at Farnsworth.