This compendium contains descriptions of 25 Elementary and Secondary Education Act Title I projects involved with mathematics, chosen as representative of the 367 mathematics education projects funded for approximately 9.2 million dollars during fiscal years 1966-68. Variables considered to be criteria for representativeness include: instructional area--curriculum development, grouping, inservice training, reduction of class size, small group instruction, teacher aides; level--elementary, secondary; time of activity--after school, during school, summer session; and, participation--public, non-public. Among these 25 are 8 previously described, included after having been augmented by the addition of the narrative evaluation sections obtained from the annual evaluation reports submitted to the State Education Department in accordance with current regulations regarding E.S.E.A. Title I. For Volume I of program descriptions, see ED 017 459. (JM)