This past year my 12th grader used Great Christian Classics from Generations Homeschool. It was a great course to wrap up her homeschool journey before heading off to college. You can learn more about this high school level literature curriculum in my video review.
Literature
Memoria Press High School Literature Guide
Here is a look inside a Memoria Press high school level literature guide. They have quite a few high school level literature guides to choose from so see if it might be a good fit for your family.