The lawsuit was filed on behalf of Ahmed Mohamed, who was arrested at his suburban Dallas high school in September and charged with having a hoax bomb.
He says he brought the homemade digital clock to school to show his teacher. Irving police later dropped the charge, but he was still suspended.
The lawsuit names Irving Independent School District, the city of Irving and the school's principal. District spokeswoman Lesley Weaver said in a statement today that attorneys for the district will review the suit and determine a course of action.
The Mohamed family questioned whether the boy was mistreated due to his religion but the district has denied the claim.
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The family has since moved to Qatar, citing threats and a scholarship offered to Ahmed in the Persian Gulf country. Ahmed moved back to the US last month for the summer to visit family and friends, and will do some traveling around the country.
Among the claims made in the suit, which was brought by the teen's father, Mohamed Elhassan Mohamed, is that the boy's right to equal protection under the law was violated and that officers arrested him without probable cause.
"History tells us that when we have stood tall and proud for equality and freedom, we have grown as a nation," the suit says. "When we have given in to fear and hate, we flounder."
The suit adds, "In the case of Ahmed Mohamed, we have the opportunity to take a stand for equality and for justice, two things that should prevail above all else."
Ahmed's story brought an outpouring of support from President Barack Obama, other political leaders, corporate executives and NASA scientists.