policies, behaviours, rules, etc. that result in a continued unfair advantage to some people and unfair or harmful treatment of others based on race

The authorities are taking steps to combat/fight/tackle racism in schools. 当局将采取措施反对／打击／应对各学校中的种族歧视。

The report made it plain that institutional racism (= racism in all parts of an organization) is deep-rooted in this country. 报告明确指出，该国各组织机构中都存在着根深蒂固的种族偏见。