What level are these students? College or High School students? If it's college (which I assume it is), what's the class you'll be lecturing during? This is pe

What level are these students? College or High School students? If it's college (which I assume it is), what's the class you'll be lecturing during? This is pertinent because it's helpful for us to know if these are captive students or students who might actually get some use out of what you're there to talk about.