The Monmouth County Chapter of Jack and Jill of America Inc., an African-American family organization, will celebrate its 20th anniversary March 26 at the Ocean Plaza Resort and Spa, Long Branch. Tickets are $100 for the black-tie affair, which will begin with cocktails at 7:30 p.m. and end with dinner and dancing, with Valerie Adams and The Dimension providing the music. The event is open to the community. For more information, call (732) 685-9014.