I need advice

So me and my ex boyfriend we going to call him Tyresse.So me and Tyresse broke up 2 weeks ago on a Thursday.But before I meet some boy we going to call him Jimmy.So I meet Jimmy through one of my exs before Tyresse.Jimmy started catching feelings for me and I used to talk to him like every single day and night.But the thing is Jimmy is in 9th grade and me and Tyresse are in 7th grade.After me and Tyresse broke up like 4 or 5 days,Jimmy asked me out but last week Tyresse started catching feelings for me again he kept telling me too.Before Tyresse told me,I said yes to Jimmy and now me and him are going out.But I'm starting to have feelings for Tyresse again but I'm dating Jimmy.Idk how to tell Jimmy but I really like both of them and I don't know who to choose.If I start dating Tyresse again all my friends gonna like be noisy,but if I keep dating Jimmy I'm only gonna think bout me and Tyresse. I don't know who I want to date.Can your help me?,