the religious would see creationism as validated no matter how much evidence you put in front of them
Those who are stubborn, mentally protect their ego against being wrong at all costs, or have an agenda (like offertory funds) indeed won't budge. But some are generally more curious than they are egotistical and not afraid to consider alternative viewpoints.
In other words, just become some students are stupid doesn't mean all are.
By the way, a creator is a valid scientific argument to consider. Monsanto is a creator of sorts, and we may be in a giant simulation managed by a being (sysadmin), which is not outside of physical possibilities and thus not inherently "supernatural" in the traditional sense.
But the hard part is how to test for intelligence. If somebody says that a being put red crusty stuff on their metal mailbox instead of it being natural rust, how does one go about testing for both possibilities? Why doesn't the plastic mailbox have the red stuff? Does Occum's Razor always favor natural processes? Get the wheels turning in students' heads.