| August 13-14, 2025 | Frosh Orientation |
| August 14, 2025 | Transfer Orientation |
| August 19, 2025 | First day of classes |
| September 1, 2025 | School holiday: Labor Day |
| September 17, 2025 | Student holiday: Faculty/Staff Development Day |
| September 26, 2025 | Student holiday: Faculty/Staff Development Day |
| October 8, 2025 | PSAT Testing/SAT Testing/Frosh Day of Service |
| October 13, 2025 | Holiday: Indigenous People's Day |
| October 29, 2025 | Student holiday: Faculty/Staff Development Day |
| November 10, 2025 | School holiday: Veterans Day |
| November 26-28, 2025 | Thanksgiving holidays |
| December 17-19, 2025 | First semester final exams |
| December 19, 2025 | End of fall semester |
| December 22, 2025 - January 6, 2026 | Christmas break: January 6th is a Professional Development Day |
| January 7, 2026 | Classes resume |
| January 19, 2026 | School holiday: Martin Luther King, Jr. Day |
| February 4, 2026 | Student holiday: Faculty/Staff Development Day |
| February 13, 2026 | School holiday |
| February 16, 2026 | School holiday: Presidents Day |
| March 6, 2026 | School holiday |
| March 18, 2026 | SAT School Day (Juniors only); No classes for 9th, 10th, and 12th grade. Faculty/Staff Development Day |
| April 3, 2026 | School holiday: Good Friday |
| April 6-10, 2026 | Easter break |
| April 22, 2026 | Student holiday: Faculty/Staff Development Day |
| May 18-20, 2026 | Spring semester final exams |
| May 20, 2026 | End of spring semester |
| May 22, 2026 | Baccalaureate Mass, Class of 2026 |
| May 23, 2026 | Graduation, Class of 2026 |