While the University of Arizona has eliminated use of Social Security numbers to identify most students, there are still some–about 4,400–who cling to the Social Security numbering concept. That's going to change the last weekend in May when those numbers will be dropped in favor of the random-generation numbering sequence the university now uses, according to UA's student publication The Wildcat Online.

Even though Social Security numbers for the most part were eliminated about seven years ago, students could choose to continue to use their old number because, as one administrator commented, it was easier to remember. Most of the students with the old numbers are now grad students.

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