I assume you are referring to "beauty" pageants. Right?
The answer would be no.
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BUT ....
In my (all girls) high school - we had Spring Pageants. It was a big deal.
Every year had a different theme.
Our gym/dance teacher worked out song/dance routines for each class. We had costumes.
There was only one performance for parents and guests.
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So, yes, I did particpate in four pageants!