Hello there, I am a high school dropout. After finishing the 8th grade me and my family's house burned down, saying that we lost everything would be an understatement lol. From minor things like toys and clothes to major things like SSNs, IDs, Medical Insurance Cards, and Birth Certificates. I wasn't able to enroll into high school on time, because according to the system, we were not citizens of Earth.
It wasn't until 2 years later that we were able to get all of of our documents back, but even then, my mom still had more important things to do. So I started high school around 3 years later than my peers. And let me tell you, being 16 in the 9th grade is not a pleasant experience. Despite being a straight A student my entire life, I was still looked down upon by the other students AND the teachers.
Before the end of the year, I quit. Since I was only 16 I wasn't able to take a G.E.D. test. Fast forward to age 18, within a few months I had aced 3 of the 4 tests needed in order to get my G.E.D. But then, covid hit. Now I'm just stuck.
TLDR: Some people drop out because they really don't have a choice. And in some cases, dropping out can be beneficial to preserving mental/physical health.