This paper examines the implementation of an alternate block (A/B) schedule in three high schools in Irving, Texas. The purpose is to review how time was used in 48 randomly selected high school Algebra 1, Biology 1, English 2, and U.S. History classes. Of the 48 classes, 12 observations were conducted for each course. The findings revealed a…

In summer 1995, Dallas Public Schools formed a partnership with a primary care system and a mental health agency. The result was the opening of nine youth and family centers located on or near school campuses. Services are designed to promote academic success, resiliency, and self-sufficiency. By offering families and students needed support, the…

Examined the validity and reliability of the 1995-96 reading/language arts portfolio assessment developed in the Dallas (Texas) public schools for prekindergarten through second grade. Ratings by 42 teachers show that portfolio contents do not provide a valid sample of student work and the assessment reliability is low. (SLD)

Using item mean squares to evaluate fit to the Rasch model was studied, also considering the transformed version of the item fit statistics. Simulations demonstrate that the critical value for the mean square used to detect misfit is affected by the type of mean square and the number of persons in the calibration. (SLD)