I honestly have been pretty comfortable with my kids going through the regular sex Ed curriculum offered in their current public school Family Life Education program. It introduces specific issues at specific ages. They introduce the whole concept of private parts, saying “no” to anyone trying to touch you without your express permission, and telling a trusted adult like your Mom or Dad pretty early… around 2nd grade, I think. Learning about puberty happens in 5th I believe, and they get into more of a basic introduction to what sex involves in 7th. That’s as far as my kids have gotten. I’ve reviewed the FLE program standards of learning and descriptions regarding what is involved on our state Department of Education website. They do cover the issue of abuse in relationships vs. what are positive and healthy relationships once they get to high school.
As far as talking at home? Sometimes things come up. Sometimes not. My son did NOT want to talk about the FLE discussions from school that were involved last year when he was in 7th grade. We laughed and told him that was totally fine, but we were available if he did want to talk.
So far, I haven’t found that there is a reason any of this has to be super controversial, regardless of a parent’s comfort level talking about these issues.
ETA: when thinking and talking about the issue of grooming, so much of it is about a predator singling out a younger person or minor, showering them with attention, and is very manipulative in nature. We have talked to both our kids already about the idea that if an adult asks them to keep a secret from us… that’s not ok. It indicates something is wrong, and it’s important to actually tell us if anyone pressures them that way, even if it seems like ‘no big deal.’ But as far as grooming in general goes? I think it’s important for PARENTS to recognize signs. Especially in youth sports. If the coach is paying your child in particular extra attention… keep an eye on that. Be involved. Be present. Watch for signs things have crossed into an unhealthy manipulative zone.