to find someone had written the "n" word several times on his gym shirt in the words leave now. >> i was worried. >> reporter: he and his family said that wasn't the first time he'd been targeted because of his race. >> i've been kicked in my knees. i've been called monkey. >> reporter: his family said for years they complained about the incident to school officials. >> everything that's happened is more steps to take so they don't look at fault. >> reporter: that was in 2018 how his family and five other families of black students are suing the school districts of eastern carver schools in minnesota. >> it's not a situation of a little bullying here. a little bullying there. an isolated incident. it's not that. it's a systemwide problem that we believe the school district knew about all along and failed to remedy. >> reporter: the allegation reads like segregation itself. it alleges that another black student was punched in the face