The manual contains technical assistance, information, and suggested strategies for staff who work with children enrolled in Head Start who are affected by substance abuse. The information is intended to bring about change and improvement in the developmental potential of these children. Chapter 1 presents general information on children affected by substance abuse; the impact on their behavior; developmental and educational possibilities; and how the Head Start model lends itself to supporting these children. Chapter 2 highlights effective strategies for improving services, including (1) seven recommended interventions; (2) steps to modify local programs; (3) examples of innovations by local Head Start programs; (4) suggestions for building links among educators, family services, parents, and staff; (5) ways Head Start staff can establish these links; and (6) suggestions for parental and caregiver involvement. Chapter 3 describes techniques to improve program support by facilitating program transitions, training in substance abuse issues, key issues in hiring new staff, strengthening program policies, and finding community partners to support at-risk children. Chapter 4 discusses priorities for resource allocation and tools to use in analyzing the investment needed to implement recommended strategies. Seven exhibits provide checklists and worksheets for management team utilization. (SD)