Based on the ninth annual national survey of public school salaries and wages, this third part of a three-part report examines the remuneration paid to support personnel in 10 poositions in 1,120 school systems. Salary information is reported for secretaries at the central office and school building levels, central office accounting/payroll clerks and clerk-typists, and school building library clerks. Hourly wage data are provided for instructional and noninstructional teacher aides, custodians, cafeteria workers, and bus drivers. The report's main table lists each responding district, arranged alphabetically by state, and presents data on district enrollment size, expenditure per pupil, the number of persons in each position, and each position's high, average, and low salary or hourly wage. Twenty-six summary tables analyze information from the survey and other sources by district enrollment size category, per-pupil expenditure level, and geographic region. Comparisons with 1981-82 data are made to show recent changes. Among the survey's findings are that increases in average pay from 1981-82 to 1982-83 were 7.2 percent for central office secretaries, 6.8 percent for school building secretaries, 8.2 percent for instructional aides, 4.7 percent for custodians, 6.6 percent for cafeteria workers, and 4.8 percent for bus drivers. (RW)