Education should focus on what is real and factual. That is not provable or factual should be taught a Mythology. If we teach children to live their lives based on not real, we cannot expect to have realistic expectations of them.
One of the most important things recently that needs to be addressed is sex education and biology. Christians believe that our DNA is male and female not a combination of traits that are affected by hormones that determine genders (with an "s" ). This they believe we are only make and female not that we have genderless DNA that is affected by chemicals that affect our degree of gender. Even our best schools teach things like there are boys and girls and some boys like boys. They simply have not clue.