A roller coaster has ups and downs with turns and curves which is a good representation of how my live went

A roller coaster has ups and downs with turns and curves which is a good representation of how my live went. I had my ups and downs, trying to get better but then get worse and I feel my life is like a roller coaster for the most part.
When I was younger I was different, I thought older than the other kids and so I didn’t like most of them at my school in elementary and middle school. For me school in elementary was hard, I didn’t like to read, and I didn’t understand most of the subjects there. I was dyslexic and had ADHD, I still have those problems still, but I had to go to special classes and people made fun of me for that. Every so often I would go to different classes to take test and in the first grade they found out I had my disabilities. After I was held back and throughout elementary school I was behind.
In middle school at first, I was in special ed classes and that’s where I decided to change. I worked and started to read and next thing you know I was taken out of the classes and put into regular classes. I got straight A’s and all my teachers liked me. I was put into better classes and I was asked if I wanted to go into avid because I was good at all my classes and had straight A’s. I didn’t really talk to anyone, so it gave me time to study and read. I had straight A’s in middle school, never late and always on time to my classes because I wasn’t as social as everyone else.
When I got into high school it wasn’t what I expected, I didn’t intend to go into band, but I was curious about and here I Am today still in it. As for my classes, the teachers were different, and I was no longer a straight A student but more of C’s and D’s. The teachers were both nice and mean but mostly mean and I didn’t really understand the work, sure I got better at my disabilities, but I didn’t get over them. I fell back and got worse at my classes with now D’s and F’s with being late to all my classes because I couldn’t focus. That was my freshman year and now I’m a junior, I’m seeing A’s now and the classes are getting better kind of but I’m doing better than I once did.
For me it’s like a roller coaster, I’m not doing good, then I’m good and suddenly I’m back to square one again. I try to do the best I can and try to figure out what I can do to be good. So far, I’m doing better, I’m the section leader of the trombones and I love band. I hope it’ll stay like this even after I graduate.