Someday soon, surely much sooner than most people who filled out their Census forms last week realize, white Americans will become a minority group. Long before that day arrives, the presumption that the “typical” U.S. citizen is someone who traces his or her descent in a direct line to Europe will be part of the past. By the time these elementary students at Brentwood Science Magnet School in Brentwood, Calif., reach mid-life, their diverse ethnic experience in the classroom will be echoed in neighborhoods and workplaces throughout the U.S. Already 1 American in 4 defines himself or herself as Hispanic or nonwhite. If current trends in immigration and birth rates persist, the Hispanic population will have further increased an estimated 21%, the Asian presence about 22%, blacks almost 12% and whites a little more than 2% when the 20th century ends. By 2020, a date no further into the future than John F. Kennedy’s election is in the past, the number of U.S. residents who are Hispanic or nonwhite will have more than doubled, to nearly 115 million, while the white population will not be increasing at all. By 2056, when someone born today will be 66 years old, the “average” U.S. resident, as defined by Census statistics, will trace his or her descent to Africa, Asia, the Hispanic world, the Pacific Islands, Arabia — almost anywhere but white Europe. While there may remain towns or outposts where even a black family will be something of an oddity, where English and Irish and German surnames will predominate, where a traditional America will still be seen on almost every street corner, they will be only the vestiges of an earlier nation. The former majority will learn, as a normal part of everyday life, the meaning of the Latin slogan engraved on U.S. coins — E PLURIBUS UNUM, one formed from many. Among the younger populations that go to school and provide new entrants to the work force, the change will happen sooner. In some places an America beyond the melting pot has already arrived. In New York State some 40% of elementary- and secondary-school children belong to an ethnic minority. Within a decade, the proportion is expected to approach 50%. In California white pupils are already a minority. Hispanics account for 31.4% of public school enrollment, blacks add 8.9%, and Asians and others amount to 11% — for a nonwhite total of 51.3%. This finding is not only a reflection of white flight from desegregated public schools. Whites of all + ages account for just 58% of California’s population. In San Jose bearers of the Vietnamese surname Nguyen outnumber the Joneses in the telephone directory 14 columns to eight.