I’ve been a professor for a long time—over 30 years. If you’re not in academia, or it’s been awhile since you were in college, you might not know this: the students are not what they used to be.
Writing
Their writing skills are at the 8th-grade level. Spelling is atrocious, grammar is random, and the correct use of apostrophes is cause for celebration. Worse is the resistance to original thought.