A Milwaukee private school has filed a motion to dismiss a lawsuit brought forward by former first lady Michelle Obama's brother and sister-in-law alleging that the school expelled their two children after they raised complaints of racial bias.

The University School of Milwaukee is seeking the court to dismiss the lawsuit on the grounds that Craig and Kelly Robinson failed to state a claim that could be granted relief, according to court documents filed on Thursday.

MICHELLE OBAMA'S BROTHER AND SISTER-IN-LAW MILWAUKEE SCHOOL FOR ALLEGED RACIAL BIAS

"Every cause of action the Robinsons assert is flawed as a matter of law for the reasons explained below," the court filing reads. "But that does not trouble the Robinsons because they hope to win not in the court of law, but in the court of public opinion — where legal rules, facts, and evidence matter little."

The school rebutted some of the Robinsons' claims, saying that faculty and administrators "spent hours each week working" with the couple to address their concerns.

The Robinsons' claimed that their 9-year-old and 11-year-old children were expelled from the school in June 2021 as a result of their complaints, which they allege were ignored by the school.

"As a lot of parents, we heard what was going on in the classroom because of COVID, and there were repeated use of racial and ethnic stereotypes that were in actual assignments," Craig Robinson said in an April interview with ABC's Good Morning America. "The use of the word plantation and things of that nature. In addition to the racial and ethnic stereotypes, there was an insensitivity to socioeconomic status as well as a disregard for the children who weren't physically in the classroom."

The school claims that the children were dismissed, citing their parents' violation of "Common Trust and Parent School Partnership" policies.

"The Robinsons omit that USM repeatedly advised them that their communications with the school increasingly demonstrated a lack of respect, trust, and kindness, and therefore violated the school’s Common Trust and Parent School Partnership," the filing argues.

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The school is asking the court to dismiss the Robinsons' lawsuit.