Jerome A. Heil, 49, a supervisor at Dance World USA Studios Inc. in Arlington since 1979, died Sunday in New Orleans after a heart attack.

A resident of Washington, he was attending the Winners Circle National Dance Competition in New Orleans. After Mr. Heil's death, Dance World USA Studios was presented the "Top School Award" in his memory. He and his students had won two first prizes at the competition.

Mr. Heil was born in Silver Spring. After serving in the Navy from 1951 to 1955, he attended the University of Maryland for three years and then taught at Marion's Dance Studio here.

From 1961 to 1968, he was a teacher, supervisor and dance director at the Fred Astaire Dance Studios in this area. For the last two of those years, he was assistant national director of Fred Astaire Dance Studios USA. He had won a number of dancing awards.

From 1968 to 1978, Mr. Heil was owner of the International Valet in Washington. He had been active in Democratic politics.

Survivors include four sisters, Faye Peterson of Fulton, Md., Constance Ecton of Rockville, Jean Sargent of Sykesville, Md., and Kathleen Groves of Silver Spring, and a brother, Calvert, of Germantown.