We have a friend who deliberately declined to give his children any religious instruction in their upbringing. This quote from Budziszewski drives home some vital points that are useful should such a discussion come up.
And even when it doesn’t.
“A good many parents decline to give their children any religious instruction, saying that they think it is better to ‘let them make up their own minds,’
But declining to teach is itself a way of teaching, a very effective one, and it teaches children a very definite creed with eight articles:
(1) It is not important for children to know anything about God.
(2) The questions which children naturally ask about Him require no answers.
(3) Parents know nothing about Him worth passing on.
(4) To think about Him adequately, no preparation is needed.
(5) What adults think about Him makes no difference.
(6) By implication, He does not make any difference either; God is not to be treated as God.
(7) If anything is to be treated as God, it will have to be something other than Him.
(8) This is the true creed, and all other creeds are false.”
(“What We Can’t Not Know,” by J. Budziszewski, pp. 162-3.)