they pointed to this agreement l.b. two weeks before the graduation to honor the dress code. >> when we signed it, we were under the impression that -- >> i would have the girl's dress code -- >> she identifies as female, so he went by the female dress code. >> reporter: soup ten didn't mitchell king wrote that they rely on birth certificates. taylor mcneil, former appointee of donald trump denied the family's request for l.b. to attend graduation dressed as a girl. >> it was detrimental, to know i won't be able to experience my graduation. >> reporter: on saturday, a second student was accused of violating the dress code at the same high school commencement ceremony. a school supervisor pulled her out of the lineup shortly before walking across stage for wearing black pants. >> she tells her she can take her pants off and walk the stage, but she needed white shoes. she can walk in her underwear but she can't walk in pants. >> reporter: jake, mothers for both of these students are evaluating their legal options. cnn rea

l.b.us to use her initials because they have some concerns about her privacy and her safety. she told me that she's just as confused. she doesn't know why this happened now because she's been openly transgender since her freshman year, so for four years now. in fact during prom of last year she actually wore a dress, a sparkly dress and heels without a problem. then suddenly she says two weeks before graduation she was pulled into the principal's office and told that she could not wear a dress and heels. so we pulled up the school policy, the dress code on commencement activities. it says students are expected to wear dress shoes, dress clothes, dresses or dressy pants for girls, dress pants, shirt and a tie for the boys. it says here that students whose attire does not meet the minimum dress requirements may not be allowed to participate in the graduation kper ooisz. and we looked through the entire policy and it doesn't specify anything about lgbtq students or specify that it must dress

they feel like they missed out on a big moment in l.b.'s life.'s a picture right here of the white dress she would have worn under this white robe that goes all the wait down to her ankles. l.b. says she's been openly transgender for four years now, since her freshman year of high school. and this is something known to school members to administrators and other students. she tells me last year at prom she wore a dress and heels with no problems. but then two weeks before graduation, she was told she could not wear a dress. listen. >> there is definitely -- it was a hard, long decision. but i would rather stand up for what's right than be humiliated and feed into their thoughts and their opinionated feelings on, you know, what's right and what's wrong with gender identity. >> i don't -- i was very hurt and just to see the hurt and the humiliation on her face, you know, after the ruling, it was just very upsetting for me. >> we got ahold of the harrison county policy. for girls required to wear dresses or dressy pant suits. and for boys, dress pant

this is the dress that l.b. would have worn to her graduation. since her freshman year of high school, four years now. her classmates, teacher and administration have known and she calls this a hard decision that she had to make yesterday to not attend her graduation. listen. >> it was detrimental to know that i won't be able to experience my graduation the way i had envisioned it and planned it for so many years. and i've been going to this school actively being me with my teachers, my peers, the other students in my class to show up and be forced to wear something that's totally different from myself, my character. >> and we were able to track down the harrison county public school policy when it comes to the commencement address. here it is. students are expected to wear dress shoes, dress clothes or dressy pant suits for girls and dress pant, shirt and ties for the boys. students who do not meet the dress code may not be allowed to participate in the graduation exercises. it does not say the students must dress based on the sex they were assi