Described is Project IMPACT (Instructional Model Program for all Children and Teachers), funded under Title III and intended for use by teacher trainees and by regular classroom teachers of learning disabled or emotionally disturbed students from kindergarten through grade 12. Discussed in an introductory section on classroom applications are efforts by specially trained IMPACT personnel to conduct inservice teacher training workshops in diagnostic/prescriptive methods, and the use of the IMPACT box (which includes materials teachers can administer to assess students' academic, learning and behavior skills), followup consultation, and observation within demonstration classrooms. Also presented is information on operating costs and evidence of project effectiveness (including improvement in students' self concepts and attitudes toward learning). Dealt with in Part II are IMPACT dissemination services at the community and university level in terms of workshops for classroom teachers, lectures, use of instructional materials, participation in graduate students' practicum experiences, and consultation for both classroom teachers and teacher trainees at Andrews University in Michigan. (LH)