Can't find an English article but you could find a translator of your choice for https://www.vrt.be/vrtnws/nl/2023/09/15/geen-pornopromotie-of-genderindoctrinatie-hoe-lessenpakket-evra/ as they go decently in depth I to it.

It's basically a tool to answer questions of children at different ages. Going from what makes boys different from girls, that consent is important, that violence in relationships is not normal or ok, that they should watch out with sending naked pictures of themselves and also that if they do get a naked picture from a partner it's not ok to send it to others, or that what you see in porno is not at all representative for actual sex. Etc, etc.