The National Assessment of Educational Progress (NAEP) is the largest nationally representative and continuing assessment of what the nation's students know and can do in various subjects such as mathematics, reading, science, and writing, as well as civics, geography, technology and engineering literacy, and U.S. history. The results of NAEP are…

Data is reported as percentages based on proficiency in the subject. "Low-income" on this data sheet means students who qualify for the National School Lunch Program. Reading data is from 2009 National Center for Education Statistics assessments and writing data is from 2002 and 2007. A brief list of references and resources is included.

The e-rater® system has been used by ETS for automated essay scoring since 1999. This paper describes a new version of e-rater (v.2.0) that differs from the previous one (v.1.3) with regard to the feature set and model building approach. The paper describes the new version, compares the new and previous versions in terms of performance, and…