An Aug. 18 wedding is being planned by Christina Perciballi of Levittown, Long Island, N.Y., and Zachary Boyle of West Babylon, Long Island, N.Y.

The bride-to-be is the daughter of Emillio and Barbara Perciballi of Levittown. Parents of the prospective bridegroom are Dan Boyle and Janice Giel, both of Butler.

The bride-elect is a 1995 graduate of Elmont High School and a 1999 graduate of Hofstra University. She works as a foreign language teacher for Levittown Public Schools.

Her fiancé graduated in 1993 from Knoch High School and in 1995 from Temple University. He works as a manager for Nationwide Equities in Long Island.