This study evaluated the extent to which existing measures met standards for a continuous suite of general outcome measures (GOMs) assessing children's early literacy from preschool through early elementary school. The study assessed 316 children from age 3 years (2 years prekindergarten) through Grade 2, with 8 to 10 measures of language,…

We estimate relative achievement effects of the four most commonly adopted elementary mathematics textbooks in the fall of 2008 and fall of 2009 in California. Our findings indicate that one book, Houghton Mifflin's "California Math," is more effective than the other three, raising student achievement by 0.05 to 0.08 student-level…