R. Bruce McGill, an educator who led the development of assessments that are widely used by private schools, died on Jan. 1 of heart failure. He was 84 and lived in Westwood, Mass.
Mr. McGill served as the president of the Educational Records Bureau, a nonprofit organization in New York City that publishes tests used by private schools, from 1972 to 1988. Under his leadership, the bureau developed the Independent School Entrance Examination, which is used by schools for entrance into grades 5-12.
He also served as a principal of two schools in New York state and as the superintendent of the Byram Hills school district in Armonk, N.Y., and the Wayland, Mass., public schools.