Oklahoma House Bill 1775 (2021)

[9] Tulsa was penalized for a slide during a professional development presentation on implicit bias presented only to teachers which said “because our culture has shifted from one predominantly designed around White, middle-class systems to one that is much more multi-cultural, we can no longer assume every child will respond to the same strategies.”[10][11] Mustang was penalized for lessons which asked students whether they had personal experience with discrimination.

"[13] Superintendent of Public Instruction Ryan Walters called for two teacher's licenses to be revoked for violating HB 1775 in January 2023.

[15] Oklahoma responded in its filing that "there is no constitutional right to teach or learn about implicit bias or subconscious racism in public schools.

Cherokee Nation principal chief Chuck Hoskin Jr. released a statement saying "We should respect Oklahoma students enough to know they can handle the truth.

[22] After the bill's passage, a teacher in Dewey, Oklahoma cancelled their lesson plans involving the book Killers of the Flower Moon.

[23] Some school districts removed books such as To Kill a Mockingbird, I Know Why the Caged Bird Sings, and A Raisin in the Sun.

[15] Osage Nation tribal councilor Eli Potts claimed schools had cancelled speaking engagements with David Grann over concern with the bill.