Neither the teachers nor the principal who let the crows into the school gymnasium.

Explanation:

Knew is the word I think you are looking for. If either knew, the sentence wouldn't be given. As it is, they are left with a mystery of not knowing.

so you want me to do this crossword i’m good with crossword puzzles just don’t got the time yo, maybe later this week

1. ghosts

2. why we are alive

3. what happens when we die

4. how was earth made and who developed it?

5. how is air made?