This document presents Ohio's state guidelines to assist school districts in providing appropriate educational interpreting services for students who have hearing impairments. A section on the primary role of the educational interpreter considers: necessary knowledge and skills, modes of communication, interpreting environments, testing situations, the interpreter's role on the individualized education program team, responsibilities of teachers working with interpreters, and ethical considerations. The next section is on the role and responsibilities of the school and discusses employment (licensure, recruitment, job descriptions), employment conditions (scheduling, the physical environment, and considerations for special populations such as the deaf blind), and supervision and evaluation. The following section discusses professional development including renewal of the associate license and professional development options. Appendices include a list of the responsibilities of the educational interpreter, a list of resources on educational interpreting, and a glossary of commonly used terms. (Contains 11 references.) (DB)