Taking either AP or IB classes will look very good on your college applications, as it shows you're challenging yourself with college-level courses. There's no real preference or benefit from doing one program or the other, as long as you do well in your chosen courses. The IB Diploma Program is well known in the US, where it’s unofficially accepted as a “college standard” curriculum. Universities tend to admit IB students at a higher rate than their non-IB counterparts. When admissions officers see the IB DP qualification on your application, they automatically get a picture of you as a student and an insight into your character. The IB offers a broad education by requiring students to pick subjects from a range of academic disciplines. This, in turn, gives students a well-rounded liberal arts perspective, which is highly sought after in the US university admissions process. The IBO aims to create well-rounded students with all of its programs. They do this by making sure students show achievement not only academically, but non-academically as well. This works in favor of US universities who look for things like community involvement, leadership, research, and impactful projects – all of which are built into the IB curriculum.