This report evaluates the Education Consolidation and Improvement Act (ECIA) Chapter 1 program in the Chicago (Illinois) Public Schools for 1988-89. The purpose of the program was to serve the most educationally needy students residing in eligible school attendance areas through supplementary and categorical activities. Services were scheduled in 1988-89 in 257 public elementary schools, 111 nonpublic elementary schools, 35 public high schools, and 15 nonpublic high schools. Participants included more than 73,000 students, and more than 1,500 teachers, aides, and other staff were involved at a cost of about $85 million. This evaluation report for fiscal 1989 is a compilation of separate reports on all aspects of the Chapter 1 program outlined in the annual application for Federal funding. Objectives and findings are reported concerning improvement in the following areas: (1) school performance generally; (2) student reading skills; (3) student mathematics skills; (4) English language skills of bilingual students; (5) student motivation and behavior; (6) student vocational skills; (7) student health; (8) participation and involvement of parents; (9) skills of the teaching staff; and (10) high school completion rates. Chapter 1 offerings are presented within the following categories: (1) supplementary instructional approaches; (2) supportive services; (3) special programs; (4) secondary supplementary services; and (5) nonpublic instructional and support services. Statistical data in tables are included. (AF)