August 19 | Registration day and welcome BBQ, 3-7 p.m. |
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August 20 | First day of classes |
September 2 | Labor Day - no classes |
October 1-2 | WrAP Test - annual writing assessment |
October 14-18 | Quarter Examinations |
October 22 | PSAT |
November 11 | Veterans Day (observed) - no classes |
November 27 | Thanksgiving Break – half day |
November 28-29 | Thanksgiving Break - no classes |
December 5 | Science Fair |
December 16-18 | Semester Examinations |
December 18 | WINTER VACATION begins after exams end, 3:30 p.m |
January 7, 2024 | Boarding students return – by 8:00 p.m. |
January 8 | Second semester classes begin (Wednesday) |
January 20 | Martin Luther King Jr. Day - no classes |
February 17 | Presidents' Day - no classes |
March 3-7 | Quarter Examinations |
March 7 | SPRING VACATION begins after classes, 4:30 p.m. |
March 16 | Boarding students return - by 8:00 p.m. |
March 17 | Classes resume (Monday) |
April 7 | Southwestern's 101st Anniversary |
April 7 | Anniversary Antics |
April 17 | Arts Fest, 3:00-6:00 p.m. |
April 25 | Annual Track, Field and Carnival, 12-4:30 p.m. |
May 5-16 | AP Exams |
May 19-22 | Semester Examinations |
May 23 | GRADUATION DAY! |
June - July TBD | Summer Sessions |
July 4 | Independence Day - offices closed |
August 18 | The 2025-2026 school year begins |
Space can be difficult to find on airplanes at busy holiday times. We urge you to make reservations and purchase tickets well in advance of school vacations to help make sure a student does not lose class time or miss exams. Students leaving early or returning late risk receiving lower grades.
All students register at our campus and move into dormitories on Monday, August 19, 2024 (not before) between 3:00 and 7:00 pm. A family barbecue will be served, 5:00 to 6:30 pm.
Students may leave after exams end on Wednesday, December 18, after 3:30 p.m. (or on Thursday, December 19). Resident students should return to their dorms on Tuesday, January 7, 2025, by 8:00 p.m. Classes resume on Wednesday, January 8, 2025.
Students may leave after exams end on Friday, March 7, after 4:30 p.m. (or on Saturday, March 8). Resident students should return to their dorms on Sunday, March 16, by 8:00 p.m. Classes resume on Monday, March 17, 2025.
Students may leave after graduation programs end Friday afternoon, May 23, 2025.
*International students may stay on campus for all or part of any holiday at no extra cost if arranged with the Student Office a minimum of two weeks prior to the start of vacation. There are activities, meal service, and supervision every day of the year. Call or write the Student Office with your travel plans in advance:
MAIL: 2800 Monterey Road, San Marino, California 91108
PHONE: San Marino 1-626-799-5010 x234
EMAIL: [email protected]