The other day, I was comparing notes with someone about how long we both worked in K-12 education. I had a rough idea of the number of years, but I had to pull out my phone and use an age calculator to get the exact number of years. If my career were a person, it could vote, legally drink, and rent cars (without a surcharge) in all 50 states.
I spent more than 20 years in K-12 education in Wisconsin and then moved to Ohio and tried a few different districts and levels before settling into what I hope is a fairly permanent role. During that time of frequent job changes, I felt that the Instructional Hierarchy applied to job mastery (Haring et al., 1978). In each role, I progressed through acquisition, fluency, and generalization, where I could apply what I knew to the new role.
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