Chaminade joined Catholic schools around the Los Angeles Archdiocese in. Next week Chaminade College Preparatory‚Äôs high school students invite the Chaminade. Top Los Angeles Unified High Schools | Best High Schools in California | US News. Los Angeles school district officials are expected next week to name a high-profile East Coast arts education leader to head the flagship arts high school in downtown Los Angeles, a move that substantially involved…