Adolescents, over time, come to have fewer jobs, fewer job opportunities, fewer chores at home. Thus, they are cut off from the real work world, and in a sense, from both reality and responsibility. Expansion of the Upper Grades From 1830 to 1930 the percentages of students enrolled in the upper grades expands geometrically. Thus the Middle School - Junior High is created. Bussing and consolidation Widespread use of the school bus closes most one - room rural schools.
School districts consolidate.
Many overlapping county districts are consolidated. This consolidation is NOT consistent, and varies widely from state to state and within states. The consolidation of the schools adds impetus to the movement toward the 'factory system' school. Desegregation Busses also make practical the desegregation of large and small districts nation wide, opening doors of opportunity. This trend is also extended to allow the children of legal and illegal migrant workers to attend school.