Why do my former sped education teacher try to put my former classmates into the same program as me on purpose?

So when I went to the vocational job training school for adults with disabilities (I don’t like the teen special needs because what’s special about it?). So I was attending there for about a year and in the second semester, I saw three of my former classmates (including the guy that had a huge crush on me and won’t let it go) in my special education were in a different classroom. Before then my former teacher said she’s spoken to one of my former teachers at my other school and she’s asked about me a lot. She’s super proud of me. Awww how sweet. She said she looked up the program and since I was attending the school and how amazing the program is, they decided to put my former classmates there. The thing is that’s great, but the thing is I’ve moved on from them and the special education school so why send them there. I was trying to get away from them, not to be rude but I’m more high functioning. I did say hi to them and asked how they been.
After I graduated, I haven’t heard from them since. My dad said I was rude for trying to ignore them and it’s good to have former classmates and I was rude to the guy that had a crush on me. He wants him and I to date but I don’t like him. Anyways he said don’t forget where I came from and don’t get big headed.
Why do people try to put my special needs classmates at the same school with me on purpose? I’m special needs too but I wanted to hang with neurotypical peers for once.

Why do my former sped education teacher try to put my former classmates into the same program as me on purpose?
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