Answering that is like answering the future. While people with psychosis are more likely to be victims of violence than perpetrators of violence, it's not impossible for a psychotic person to behave in ways that are scary for everyone, especially children.
First, you may want to read I'm not sick; I don't need help. You can find it on NAMI's site: https://www.nami.org/getattachment/Learn-More/Mental-Health-Conditions/Related-Conditions/Anosognosia/I_am_not_sick_excerpt.pdf?lang=en-US
Second, there are a couple of books for children that attempt to introduce them to psychosis that you may want to give the kids:
https://www.amazon.com/Pretend-Friends-schizophrenia-illnesses-hallucinations/dp/1849056242
https://www.amazon.com/Please-Stop-Smiling-Schizophrenia-Children-ebook/dp/B009HK9XX4
https://www.amazon.com/Helicopter-Man-Elizabeth-Fensham-ebook/dp/B005EJKQ9C
There are in fact books on the topic