Background: Previous studies used curriculum-based measurement (CBM) maze scores as an indicator of the reading comprehension level of secondary school students with and without special educational needs in multiple grades, pinpointing a high influence of both student- and context-related variables. However, studies on cumulative influence are…

Abydos is a professional development program that includes a three-week writing institute. It provides school districts with teachers who, after a year of implementation and another year of professional development, can train other teachers, thus providing ongoing staff development. The Houston Independent School District (HISD) implemented Abydos…