(CNN) -- Just like she did during the first half of the school year, first grader Coy Mathis wants to use the girls' restroom at her Colorado elementary school. But school officials won't let her.
The reason? Coy is transgendered, born with male sex organs but a child who identifies herself as female.
She has dressed as a girl for most of last year. And her passport and state-issued identification recognize her as female.
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