Follow Through Evaluation in Philadelphia has adopted a comprehensive documenting approach, the core of which is an individual pupil file containing coded information indicating length of program exposure (in terms of five or more months per year) for each year of pupil enrollment. A study of the relationships between pupil achievement on the…

The aim of this paper is to identify the mechanisms that relate participation in programs established by Chapter 1 of the Education Consolidation and Improvement Act of 1981 to student achievement. It focuses on what happens to students in Chapter 1 programs and how their experiences affect their growth in academic achievement. The paper begins…

In 1986-87, the Austin (Texas) Independent School District converted from a full-day prekindergarten program for low-achieving children to a half-day program to serve more limited-English-proficient (LEP) and low-income children (thereby meeting eligibility criteria in conformance with Texas House Bill 72). Half-day instructional time was 60% of…