Los Osos High School Calendar 2025-25. For past calendars, please use the. Students will start the new school year on tuesday, august 8, 2023.
First and last days of school. Professional learning trade day start | end of grading period.
Los Osos High School Calendar 2025-25. For past calendars, please use the. Students will start the new school year on tuesday, august 8, 2023.
First and last days of school. Professional learning trade day start | end of grading period.