Contents of this evaluation of ESEA Title 1 programs for the District of Columbia, 1966 and 1967, include: development of a statistical model for the evaluation; programs and procedures; patterns of program participation; data-gathering instruments developed for analysis of Title 1 Programs; relationship of program participation to pupil performance; special studies--Part A--evaluation of teacher-aides; Part B--Evaluation of the Summer 1966 Pre-Kindergarten program; Part C--Evaluation of the Language Arts Program; and, effectiveness of 1966-67 ESEA Title 1 programs. Appendixes include: analysis of the teacher evaluations; additional comparisons of teacher evaluations between June 1966 and June 1967 for students in various Title 1 programs; additional language facility test results; distribution by grade groups of evaluations by pupil personnel teams, February 1967; combinations of programs used in statistical analysis in chapter six; and, data-gathering instruments used in the study. (JM)