I can't stand idiots like this mother. The school district has a written policy banning extreme or disruptive makeup--and in our society, it's extreme for boys to wear black lipstick and black eyeliner. "It's sexism!" says the mother.
Be a parent. If you want to teach your kid about "acceptance" (see the end of the video), teach him not to poke a finger in the eye of the community/society in which he lives. You can't focus only on yourself and how different you are and expect everyone to accept you. That acceptance gig is a two-way street.
If the district had no prior policy and just told the kid to take off the makeup, then he'd have some sort of discrimination claim. But that isn't the case here.