Tables in this report present characteristics of professional staff employed in the Maryland public schools as of October 1998. The data were obtained from employment records provided by local education agencies and teacher certification records. Professional staff members include principals and assistant principals, teachers, librarians, guidance counselors, and psychologists who are employed on a regular contract. Substitutes and hourly employees are excluded. Data are presented by school district. Tables 1 and 2 detail the number and percent of staff at different educational levels by the highest degree held. Tables 3 and 4 contain information by school level on the total years of teaching experience. Tables 5 and 6 contain information by school level on the number and percent of staff by the type of certification currently held. (SLD)