YORBA LINDA

More than 400 teens from cities throughout Southern California are expected to converge on the Thomas Lasorda Jr. Field House Saturday for the city’s third annual Teen Jam 2000. The event is scheduled from 4 to 10 p.m. for students in grades six through eight. Activities include live bands, a deejay, dancing, extreme games, carnival games and caricature artists. Refreshments will be sold. Sign-up deadline is 5 p.m. Friday. Information: (714) 961-7160.