School districts attempting to locate handicapped preschool children who may need special educational services can use the self-auditing methods in this handbook to measure the effectiveness of district childfind activities. The Delphi technique was used to develop a consensus concerning self-auditing methods among selected university professors and Illinois school district and State Department of Education personnel. An introduction discusses general types of childfind activities, including mass public awareness campaigns, contacts with special groups, screening processes, and agency referrals. Five sections then present methods and worksheets for discovering (1) what proportion of children are being screened; (2) how many preschool children need special pre-enrollment educational services; (3) how accurate past screening efforts have been; (4) how effective general and specific public awareness activities have been; and (5) what the costs of childfind efforts are, for different types of expenses and funding sources. Two appendices provide a microcomputer program for the self-audit methods and sample copies of the worksheets. (Author/RW)