Intended for personnel in State Educational Agencies, the document provides guidelines, procedures, and forms for implementation of nondiscriminatory assessment practices with handicapped children and adults. In an introductory section, a model is presented for establishing the relationships between various components of an unbiased assessment system within which all Public Law 94-142 categories can be identified. Reviewed in Section II are child process activities which include: (1) locate, identify, refer, and diagnose; (2) establish and implement educational services through the use of individualized educational programs; and (3) review and evaluate the effects of the treatments provided to remove or ameliorate the effects of handicapping conditions upon the educational development of children and adults requiring special assistance. Covered in Section III are a comprehensive unbiased assessment format, procedures, and instrumentation recommendations; some illustrated types of assessment; and a suggested program for reviewing unbiased assessment with professional staff. A final section focuses on professional development in terms of organizational guidelines, ways to address related components of an alternative unbiased assessment system, and an alternative unbiased assessment center. Provided are forms, checklists, diagrams, and a selected bibliography with 84 entries on alternative and unbiased assessment. (SBH)