FOR TEACHERS
On 78 real student essays that Texas released with official examiner scores, nine in ten of our scores came back within one point of the examiner and quadratic weighted kappa was 0.77, against 0.70 as the commonly accepted bar. The method, the sample and the limits are published in full. There is no equivalent benchmark for math yet, and we say so rather than implying one.
It gives you back the hours, not your judgment. Every student gets feedback you never had time to write.


