My husband taught middle school math for one year. He didn’t have a teaching degree but had enough college credits in the subject to be emergency certified. While he was teaching another teacher asked for his help in passing their test. He was a little taken aback that the teachers of the subjects couldn’t pass the tests in the subjects they were teaching.
When I took my tests as part of my education undergraduate I had zero issues passing and was a little concerned about my classmates that did. A decade in public education has not lifted my opinion of the general intelligence of some educators. (Many are genuinely fantastic, but that’s not always the case).