A headline in yesterday's Metro section incorrectly said that former D.C. deputy mayor Alphonse G. Hill reported that he had returned $63,000 to a contractor he is alleged to have paid kickbacks. According to documents filed by Hill's attorneys, the allegation that the money had been repaid to the contractor was made by prosecutors in the U.S. attorney's office.

An article Saturday about Reagan administration efforts to defer spending on programs with which it disagreed referred to a $203 million proposal to defer educational spending. That was a rescission, which Congress failed to approve, so the money was released last month.

The D.C. Weekly Calendar April 2 listed an incorrect phone number for the Science and Technology Workshop being held at 5 p.m. today at the

Martin Luther King Memo- rial Library, 901 G St. NW.

The correct number is 265-9039.

Because of an editing error, early editions of Sunday's Metro section incorrectly stated that Seven Hills School in Lynchburg, Miller School near Charlottesville and Hampden-Sydney College have no black students. All three schools are integrated.

Georgetown University Hospital was omitted from a list of area hospitals with helicopter landing pads in Sunday's Metro section. Hospital officials said the Georgetown helipad is used primarily for transferring patients from other hospitals, rather than for accident victims.