What got me in easy for my internship was a decent GPA (3.8 at the time) + working full-time as a shift manager from when I turned 18 until the company hired me

What got me in easy for my internship was a decent GPA (3.8 at the time) + working full-time as a shift manager from when I turned 18 until the company hired me. GPA + maintaining some sort of responsibility definitely helped