Is high school grade inflation part of the reason why college admissions seems more competitive?

While my HS teachers didn’t provide 2 sets of grades as yours did, a few…particularly one with whom I had a serious personality conflict in 9th grade emphasized how much harder college was compared to HS.

Oddly enough, once I actually attended college despite my abysmal HS GPA, I found my experience was nearly the complete opposite. I found my undergrad Profs at a top 25 LAC and a couple of elite Us and a few grad Profs at an elite U graded much more leniently than my HS teachers.

If I had to choose between HS and college Profs for leniency in grading…the college/grad school Profs win by a landslide IME.