Hogwarts at Hamilton Tours to be Staged on Oct. 24 and 25 - Experience the magic of Harry Potter at the 14th annual Hogwarts at Hamilton, on Friday and Saturday, Oct. 24 and 25, at Benedict Hall. All shows are free and open to the public.
Writing for Clarity
his or her
Although grammatically correct, avoid the use of "his or her": "Everyone should take his or her seat." Instead rewrite: "The students should take their seats."
SOURCE: Hamilton College Editorial Style Guide