Does anyone feel weird sending friend requests to school mates you haven’t seen in over 10 years?

I recently joined Facebook and Instagram again and started following some family and friends. I’m seeing mutuals popping up and most of them are my school mates who I haven’t seen since 2009. Most of them weren’t my actual friends but we were in the same class. I saw my bullies as well lol but I won’t add them. Should I send a request to my other school mates? Would it seem weird? For more context, I was the super shy girl that people made fun of, these other people are the ones who used to be popular. So I don't know I guess it’s making me feel as if I’m 13 again.
Does anyone feel weird sending friend requests to school mates you haven’t seen in over 10 years?
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