 Tracking and its various modifications are among the predominant organizing practices of American public schools, and have been an accepted feature of the country's schools for nearly a century.Coming into use at a time when schools were enrolling growing numbers of immigrant children as the result of compulsory schooling laws, tracking was adopted as a means of sorting those children viewed as having limited preparation or capacity for schooling from native children.Unfortunately, however, tracking quickly took on the appearance of internal segregation.