It operates as part of the Chaffey Joint Union High School District. Morro Bay High School; Pacific Beach High School; San Luis Obispo High School; . Feb 27. 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 . 8: 00 AM. Los Osos Middle School; High School. San Luis Coastal Unified School District 1500 Lizzie St San Luis Obispo, CA 93401 (805) 549-1200 District Details While we strive to maintain up-to-date school calendars, occasionally schools and districts must make changes to originally published dates. Your web browser does not support the