Autores:
  • In the current environment, attributing low student performance to teacher tenure is one of the great unproven causal links out there. The relationship just hasn't been examined very carefully, but we should all recognize that in higher education the strongest institutions generally have the most robust tenure systems, and in elementary and secondary, the states with the strongest teacher unions (and tenure systems) tend to have the highest student performance.

    "Ask the Author Live: Nicholas Lemann on Higher Education". Live chat, www.newyorker.com. September 20, 2010.