I went and looked. Yep, the language is there, page 4, Article 15 of the contract
The union web site
Links to the current contract:
https://www.mft59.org/_files/ugd/7a4db8_322ee8a7e471408c92cce0c8e3763d7f.pdf
See also page 2 (anti-virus anti-social subcommittee)
The contract is FULL of anti-white provisions. If I was a white teacher I would be pissed.
Anti-bias anti-racist (damn auto-correct)