My children were taught good touch/bad touch in preschool without a sex ed curriculum.
The whole smokescreen is just a way to sexualize our children legally though the schools, and the "anti-predator" chant is simply a way to make it palatable.
And it isn't the job of the schools to decide to "re-educate" our children if they don't like the way parents are teaching things at home. The function of a public school is to teach our children to read, to write, to expose them to classical education and mathematics, and to prepare them for college.
The purpose of school is NOT to teach them to rebel against the religious and secular teachings of their parents, or to create a "new order" in step with what the left thinks is appropriate.
Anything outside of teaching the basics is bullshit and has no place in the school. This includes those idiotic "streetwise" programs which first label at-risk youth, then pull them out of regular classes to further isolate and stigmatize them, and give them pizza while taking them around to all the free health clinics for their pelvics, and showing them where all the abortion clinics, and holding their hands and telling them that despite the fact they're experimenting with drugs and risky sex, they'll always be okay in the eyes of the school counselors.