Answer:
I'm going to make you a general fill in the blank so you don't look sus. If it's in bold, replace it with whatever you want. Add more details for it to look more legit if you want.
One time in [class you had last year], we had a big test coming up and at the same time, I had a project in [other class] at the same time. I was overwehlmed and felt like I had no time to put appropriate effort towards either. I ended up getting help from my [guardian/parent] to make a schedule with benchmarks for studying and my project. Breaking it down made it much more managable!