Bad anxiety about sending child to school

So I’m having really bad anxiety about sending my daughter to school. I literally think I’ll faint😭 I have such a hard time being away from her that it’s unhealthy at this point. She’s only four so I technically don’t have to send her until she’s six in my state but I don’t want to be selfish and take her social life and education away. I can’t homeschool her because I have another baby to take care of and I definitely wouldn’t be able to give her a proper education. It’s just super hard for me because we’ve never really been away from each other like ever 🥲 I keep thinking of the worst, her getting lost on the school bus (which happens sometimes in the school district I live in smh) or a sh00ting or her catching strep a something terrible 😞 I can’t stop these negative thoughts and I really do not want to send her but I can’t keep her housebound forever like I am lol🥲