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Fire the Worst Teachers
A four-word plan to fix America’s public schools

Public school in Bronx, N.Y. (Hulton/Getty Images)

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A California judge recently ruled that the state’s tenure, dismissal, and layoff rules for public-school teachers lead to “grossly ineffective teachers” being retained in the classroom, producing instruction so inadequate for poor and minority students as to be considered unconstitutional. Los Angeles County judge Rolf M. Treu’s ruling surely will be contested, and it is an open question how constitutional equal-protection clauses should be applied to school-personnel issues. But the ruling does raise important questions regarding the role that the firing of teachers should play in improving public education.

It’s been 30 years since the landmark report “A Nation at Risk” highlighted the dire state of America’s public schools. Since that time, education has undergone a series of supposed reforms, including massively increased spending, smaller classrooms, and higher pay for teachers with accreditation or master’s degrees. The number of students is barely greater today than it was in 1983, but there’s been a 57 percent increase in the number of school employees and a 40 percent rise in real per-employee compensation. The list of smaller-scale reforms would cover pages.

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And what have we achieved? Not a lot: SAT and literacy scores have barely budged, and the U.S. remains a middling performer in international comparisons, despite spending much more than the typical developed country. While many schools are strong, education reform as a whole has been an ongoing, expensive bust. (At times, embarrassingly so: A recent news story points to the graduating class of Chicago’s Paul Robeson High School, whose prom theme, embossed on printed invitations, is “This Is Are Story.”)

Desperate times demand desperate measures. And so I propose an education-reform plan that is simple and achievable, and that peer-reviewed academic research indicates would improve student achievement and future earnings, save government budgets billions from its very first year, and boost long-term economic growth.

Here’s the plan: Fire the worst teachers. That’s it. Terminate their employment. Don’t replace them. Simply reallocate their students to other classrooms. This approach isn’t merely a sign of desperation, although a bit of desperation is hardly unwarranted after decades of unfruitful efforts. The “fire the worst teachers” strategy may in fact be the optimal way to improve education, a first-choice approach rather than a last resort.

Economists Raj Chetty and John Friedman of Harvard and Jonah Rockoff of Columbia University have documented the cost to students of having a poor schoolteacher. Chetty, Friedman, and Rockoff estimate that terminating the worst 5 percent of teachers and reassigning their students to average-performing teachers would increase those students’ lifetime earnings by between $130,000 and $190,000. Put another way, to convince a rational child to willingly accept a poor-performing teacher, you’d have to write that child a check for up to $190,000 on the spot. These figures indicate that eliminating bad teachers may be the quickest way to improve the job prospects of low-income Americans, reduce income inequality, and boost our future economy.

But this fire-the-worst policy could have benefits beyond those calculated by Chetty and his co-authors. Economists Thomas Dee of Stanford and James Wyckoff of the University of Virginia recently analyzed Washington, D.C.’s IMPACT program, which financially rewards the best teachers and threatens the worst with dismissal. Dee and Wyckoff compared teachers who were near the thresholds for bonuses or dismissal threats with teachers who actually crossed the thresholds. They found that the highest-graded teachers performed even better as a result of IMPACT’s bonuses. The lowest-graded teachers who received dismissal threats, by contrast, were more likely to either improve their performance or to quit than nearly-as-poor teachers who weren’t threatened with firing. In other words, the threat of dismissal caused the worst-performing teachers to either shape up or ship out. In either case, the quality of teachers in the classroom improves.

Firing the worst also could restore prestige to teaching by treating public-school teachers as all other professionals are treated. The Albany Times Union found that over a five-year period, New York state schools terminated only 38 teachers out of a workforce of 132,000. Either public schools are extremely good at identifying the best teachers — something for which there is very little evidence — or they are reluctant to fire the worst. But top college graduates simply aren’t attracted to occupations in which it is all but impossible to get fired. Indeed, the best graduates flock to software, law, finance, and other occupations where job security is fleeting. The strongest employees aren’t afraid to be judged on their merits, and they want to be surrounded by co-workers who are equally confident. Simply put, despites teachers’ unions’ calls for teachers to be recognized and lauded as professionals, in almost no other profession is incompetence so difficult to punish. (Really, try to think of one.)

This fire-the-worst policy would also save state and local governments billions. There are around 3.1 million public-school teachers, according to the National Center for Education Statistics. The average teacher salary in 2013 was around $56,000, with the Bureau of Labor Statistics estimating that teachers receive another $25,000 in annual benefits. That’s a conservative estimate, since it doesn’t include teachers’ retiree health costs or unfunded pension liabilities. But based on these figures, firing the worst 5 percent of schoolteachers would generate annual savings of around $12 billion from day one.

Now for the objections. For instance, if you fire the worst 5 percent of teachers and reassign their students, won’t class sizes increase? Sure, but there’s very limited research showing that class size matters very much, and no evidence that it matters more than teacher quality. According to the NCES, the student-teacher ratio declined from over 22 in 1970 to around 16 today. Have you noticed big educational gains? Has Korea been harmed by having 31 students per class? Teacher unions understandably favor small classes but, as Education Secretary Arne Duncan has noted, you’d much prefer your child to be in a large class with a good teacher than a small class with a bad one.

Likewise, how can we be sure that teacher assessments will accurately identify the worst-performing 5 percent? We can’t, though teacher assessments are probably a more objective performance measure than most non-teaching employees receive as part of their annual performance reviews. Moreover, the Chetty, Friedman, and Rockoff calculations assume that teacher assessments aren’t infallible: If we could identify the worst 5 percent of teachers with absolute certainty, the earnings gains to their students would rise to a quarter million dollars.



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