Hundreds attend open house Posted on March 11, 2008 by Richard Irwin Domingo Balatbat, Cesar Benitez and Nate Hall work on a vehicle in their Automotive Technology class at the Hacienda La Puente Adult Education. Hundreds attended the open-house held Tuesday at the Willow Campus in La Puente and the Dibble Campus in Hacienda Heights. Read all about the adult classes offered by one of the state’s largest adult ed programs in an upcoming story of the Hacienda Heights Highlander.