I was applying for something and was puzzled about how to answer. I had asked how many honors courses I have taken and while I did enter the number, I wondered about the accelerated courses and if I was selling myself short because they could possibly go under a different name.
A accelerated course like Accelerated Chemistry would cover the chapters faster than a normal Chemistry course. So if a normal Chem course covers 60% of a text book, the Accelerated one might get to 80-90%.
An honors course would imply that the content is more difficult from the get go. So you would not be using the same text book as the normal Chem book. The labs might by more difficult as well.
If and how they are weighted as compared to APs or IBs depends on your high school. Some high schools do not weight accelerated or honors courses however some give them equal weight as an AP. I know of some schools that give them a 0.50 bump vs a 1.00 bump.
Regardless, either honors or accelerated show evidence of course rigor so that looks good on your college application.
Same thing, different name. If your school offers both, ask your counselor for the difficulty of each.
Best I could find: https://talk.collegeconfidential.com/t/honors-vs-accelerated/1763594
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