Yeah, if it were true, I'd completely disagree with it. I agree with being sensitive to gender issues and the reasons the school district is taking this on, middle school is a time when LGBT kids are likely to be bullied, but "Purple Penguins" is rather ridiculous.
However, the schools have not been instructed to, "stop referring to students by “gendered expressions” such as “boys and girls,” and use “gender inclusive” ones such as “purple penguins” instead."
That is untrue.
Read more at
snopes.com: Nebraska School Bans Genders in Favor of 'Purple Penguins'
They paraphrased materials from this website:
https://www.genderspectrum.org/
According to Lincoln Public Schools:
A parent who is challenging this policy with the school board doesn't mention "Purple Penguins", but cites this passage in her email to parents.
LPS staff's transgender training concerns parents : Lincoln, NE Journal Star
I applaud the Superintendent's efforts to be more inclusive of LGBT kids. I'm on the fence at how effective changing out pronouns might be, but making staff more aware of the issue, in general, is a good thing. IMO
"Purple Penguins" is misleading, at least from what I found.