The report of the 1978-1979 performance of the Project Follow Through Expansion Program for the primary grades focused on the educational component, parent involvement, staff development, and special supportive services. Classroom observations indicated that while aides and parents worked with groups consisting of 2 to 10 children, in two instructional models, teachers engaged in whole class instruction at least 40% of the time across all options. Cross sectional achievement data indicated that the Total Follow Through Expansion Program (TEXP) performed only as well as its Total Non-Follow Through (TNF) Title I eligible comparison group in reading, but outperformed TNF in mathematics. The specific third grade achievement objective was not attained. Parent involvement showed that most spent their time planning fund raising events. Parents who participated in program-specific activities spent their time assisting in program classrooms. Staff development activities involved 98% of the teachers and aides. Most teachers indicated satisfaction with the services received from supervisory and support personnel. Health data indicated that half of the program children received medical screenings and one quarter had physical examinations. Supplementary mental health specialists from 5 agencies provided direct and indirect services to 372 program children. (Author/GK)