Investigation of the differences in the mix of professional and nonprofessional educational staff employed by local public schools of various levels, locations, and economic status. The differences that emerge reinforce the importance of (1) distinguishing regular classroom teachers from other teaching and supporting staff, and (2) reducing the reliance on aggregate pupil/teacher or pupil/total staff ratios as indicators of the relative quantity and quality of educational services provided by the local school. The study uses unpublished data from a staff survey of local public schools conducted by the National Center for Educational Statistics in 1970. (Other reports in this series on the educational personnel system are R-1071, R-1270, R-1308, R-1325, R-1341, R-1342, R-1343, R-1344.)
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