For the 2026-27 academic year, we will be operating out of a dual campus with the following hours:
- Middle/Upper School Campus (Grades 5-9) – Summit Park: 7:45 AM – 3:15 PM
- Lower School Campus (Grades K-4) – Siebenthaler: 8:00 AM – 3:00 PM
Summer
| August 24-25 | New Faculty Orientation Days – Campus Specific |
| August 26-27 | All-Faculty/Staff In-Service Days |
| August 28 | Meet-the-Teacher Day / Students Supplies Drop-Off |
First Quarter
40 days for students (LS | 236 hours. MS/US | 280 hours)
| August 31 | Citadel Life Day Grades 7-10 |
| September 1 | First Day of School for grades 1-10. Beginning of First Quarter |
| September 1-4 | Kindergarten Readiness Assessment (KRA) Testing |
| September 7 | No School. Labor Day. |
| September 8 | First Day of School for Kindergartners |
| September 28 | No School. Teacher In-Service |
| October 15 | No School. Parent/Teacher Conferences. |
| October 15-20 | Fall Break |
| November 3 | End of First Quarter |
Second Quarter
38.5 days for students (LS | 227.15 hours. MS/US | 269.5 hours)
| November 4 | Beginning of Second Quarter |
| November 11 | Open House | 7 PM @Siebenthaler |
| November 12 | Veterans Day Assembly |
| November 13 | No School. Veterans Day Observed. |
| November 25-27 | Thanksgiving Break |
| December 18 | Early Dismissal. 11:25 AM @ Siebenthaler | 11:45 @ Summit Park |
| Dec. 21-Jan. 1 | Christmas Break |
| January 11-14 | Grades 7-10 Exam Week |
| January 15 | No School for Grades 7-10 ONLY. Exam Make-Up Day. |
| January 15 | End of Second Quarter & Semester 1. |
Third Quarter
41 days for students (LS | 241.9 hours. MS/US | 287 hours)
| January 18 | No School. MLK Birthday. |
| January 19 | Beginning of Third Quarter |
| January 21-22 | Citadel Life Days |
| February 15 | No School. Presidents Day. |
| February 25 | No School. Parent/Teacher Conferences |
| February 26 | No School. Mid-Winter Break. |
| March 18-19 | Citadel Life Days |
| March 22 | End of Third Quarter |
Fourth Quarter
41.5 days for students (LS | 244.85 hours. MS/US | 290.5 hours)
| March 23 | Beginning of Fourth Quarter |
| March 26-April 2 | No School. Spring Break. |
| April 23 | No School. |
| May 10 | No School. Teacher In-Service. |
| May 24-27 | Grades 7-10 Exam Week |
| May 28 | End of Fourth Quarter. Early Dismissal. 11:25 AM @ Siebenthaler | 11:45 AM @ Summit Park |
161 total days for students (LS | 949.9 hours. MS/US | 1127 hours) | Community School Requirements: 920 hours per year NB: Siebenthaler Hours: 8:00 AM – 3:00 PM; Summit Park Hours: 7:45 AM – 3:15 PM