Recently I saw a list of qualities an administrator was looking for in his new hires. Part-way down, it said, "Fidelity to...." and named a certain program. Well, I wasn't looking for a new job, so the point was moot, but he wouldn't have wanted me anyway.
Several years ago I was sitting in a meeting with various staff members from my district. Considering my lack of memory, I'm lucky to even remember this event. The reason it stuck with me is because I actually heard an administrator say, "I want to walk into a teacher's classroom, hear her begin a sentence, walk into the next teacher's room and hear her finish it." Huh? Did you just say what I think you said?
I don't do anything in my classroom with fidelity, even when it comes to things I believe in. For example, something non-scripted, meaningful, and authentic like Daily 5 does not look the same in my room as it does in the book. I know I'm not the only one who believes this strongly about fidelity, but most often I feel like I have to keep my infidelity a secret.