I didn't get sex ed until was 13 years old in 8th grade , and the education was about the functions and understanding of what the human body goes through while experiencing puberty - it went over both genders male and female which was enlightening to a 13 year old kid. There is absolutely no reason to discuss sex with children under the age of 13 in schools, sex ed is important but pushing an lgbtq agenda on to preschoolers is grooming 100%.