Michelle Rhee has failed as a test-driven education reformer.

Rhee taught for three years (1992-95) in Baltimore as part of Teach for America (TFA). By her own admission, her first year was terrible. She taped students’ mouths and made them bleed, and she dropped a student off after a filed trip at an unverified residence. For her second and third years, she taught as part of a team. Her students’ test scores were very low (Rhee’s first year: 20th percentile in reading and math on the Comprehensive Test of Basic Skills–CTBS; second year: reading, 15th percentile, and math, 38th percentile; third year, with notably fewer test taker than other district schools: reading, 45th percentile, and math, 55th percentile).

Contrast this to Rhee’s bragging that she raised 90 percent of student scores to the 90th percentile.

All of the above on Rhee is documented in chapter four of my book, A…