Longest tenured teacher in Pequot Lakes retires
Kent Rangen estimates he's taught more than 5,000 students in his 37 years as a Pequot Lakes Middle School math teacher.
Rangen, who retired at the end of this school year as the longest tenured teacher in the district,
said that in that time, technology has changed education tremendously in many ways. In his own days as a student, he recalled calculating his answers using a slide rule, a mechanical analog "computer" that looks like a ruler with a plastic sliding cursor.
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