It's unecessary. The existance of an overseeing intelligence in the production of any intelligent design is self evident.
It's there for all to see and people are without excuse for not seeing it.
On the other hand it requires an exercise in willful self deception and blindness to deny ID. Something people can become very skilled at.... if they practice it enough, as evidenced on these boards.
It was self evident that space is Euclidean. It was also wrong.
You said: It's unecessary
Which means it hs no place in science classes.