An achievement that is less than expected; underperformance.(noun)
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Use "underachievement" in a sentence
"Black underachievement is blamed on White oppression."
"Last week, at the Conservative party conference, deputy headteacher Katharine Birbalsingh declared: Black underachievement is due in part to the chaos of our classrooms, and in part to the accusation of racism."
"One year later the Downing Street policy unit concluded, in a report entitled Ethnic Minorities and the Labour Market, that “the old picture of white success and ethnic underachievement is now out of date”."