• The change in graduation requirements led substantially more students to take and pass three or more full science courses.

• Despite large increases in course-taking, there is little evidence they learned substantiall...

Significant differences in content coverage do exist as a function of the U.S. education system, and this is related to the observed student achievement differences.

1. In the 13 districts examined, vast variation in math content ...

• Despite adoption of a schoolwide model committed to limiting the use of tracking (e.g., America's Choice), many middle schools and teachers using the model continue to sort students academically.

• Even though schools...

1. To what extent do state policies differ on attributes (consistency, specificity, stability, power and authority) that may shape levels of instructional alignment?

2. What is the relationship between these state policy attributes and the outcome of instructional alignment with standards and assessments?

The results show several small-to-moderate relationships of these attributes with instructio...

• It is middle and high school levels that have decreased over the past 50 years, not the texts of the primary grades.

• The CCSS writers based the rationale for increased text levels in grades 2-3 on three assumptions,...