Instead attending a walkout against gun violence on campus — filed a lawsuit against the Loma Prieta [California] Joint Union School District and numerous school officials, claiming he was unlawfully laid off, fired and retaliated against for his political speech against the protest, among other issues in the district.

David Kissner, who taught math and science at C.T. English Middle School, claims the district used an “unlawful and unconstitutional abuse of its power” against him, “not because he opposed the political cause being promoted but because he opposed the District breaking the law and violating the Constitution,” the lawsuit reads.

“In ordinary times, his informed objection to the District’s participation in and promotion of a student walkout should have earned him respectful feedback. It instead drew vociferous attacks,” it continues. …