Presented is the final report of Project TEAM (Teacher Encouragement to Activate Mainstreaming) to improve the attitudes and skills of seven regular secondary teachers serving 27 educable mentally or educationally handicapped students. Methodology is explained to have involved analysis of student records to identify students ready for mainstreaming followed by diagnostic and prescriptive data given to regular teachers, special preservice programs for the regular teachers, and intensive follow-up by the resource teacher. It is concluded that the project resulted in significant changes in teacher attitudes. Appended is a survey of teacher instructional practices related to mainstreaming. (DB)