looping
n.— «School administrators are likely to implement “looping” next year. Teachers would flip-flop grades so that one teacher would move up with youngsters while the other teacher moved down a grade.» —“‘Looping’ Could Provide Pupils With More Continuity” by Meredith Carlson Hartford Courant (Conn.) Mar. 3, 1994. (source: Double-Tongued Dictionary)
Further reading
Amid court-ordered busing in the 1970s, a middle-school teacher tried to distract her nervous students on the first day of class with this strange assignment: find a monarch caterpillar. The result? A memorable lesson in the miracle of metamorphosis...
In 1971, when a new public library opened in Troy, Michigan, famous authors and artists were invited to write letters to the city’s youngest readers, extolling the many benefits of libraries. One of the loveliest was from E.B. White, author of...