| 8/15/2025 |
Feast of the Assumption of the Blessed Virgin Mary |
All Schools
|
| 8/20/2025 |
Classes Begin |
All Schools
|
| 9/1/2025 |
Labor Day |
All Schools
|
| 9/1/2025 |
No Classes |
All Schools
|
| 9/22/2025 |
Communication of Grades to Parents (Forms II-VIII) |
All Schools
|
| 10/13/2025 |
Fall Break |
All Schools
|
| 10/13/2025 |
No Classes |
All Schools
|
| 10/17/2025 |
End of Quarter |
All Schools
|
| 10/17/2025 |
Noon Dismissal |
All Schools
|
| 10/22/2025 |
Noon Dismissal |
All Schools
|
| 10/22/2025 |
Standardized Testing |
All Schools
|
| 10/31/2025 |
Halloween |
All Schools
|
| 11/1/2025 |
All Saints' Day |
All Schools
|
| 11/2/2025 |
All Souls' Day |
All Schools
|
| 11/2/2025 |
Daylight Saving Time Ends |
All Schools
|
| 11/7/2025 |
No Classes |
All Schools
|
| 11/7/2025 |
Parent/Teacher Conferences |
All Schools
|
| 11/11/2025 |
Veteran's Day |
All Schools
|
| 11/17/2025 |
Communication of Grades to Parents |
All Schools
|
| 11/23/2025 |
Feast of Christ the King |
All Schools
|
| 11/24/2025 - 11/28/2025 |
Thanksgiving Break |
All Schools
|
| 11/27/2025 |
Thanksgiving |
All Schools
|
| 12/1/2025 |
Classes Resume |
All Schools
|
| 12/8/2025 |
The Immaculate Conception of the Blessed Virgin Mary |
All Schools
|
| 12/12/2025 |
Our Lady of Guadalupe |
All Schools
|
| 12/15/2025 |
Noon Dismissal |
All Schools
|
| 12/15/2025 |
Semester Exams |
All Schools
|
| 12/16/2025 |
Noon Dismissal |
All Schools
|
| 12/16/2025 |
Semester Exams |
All Schools
|
| 12/17/2025 |
Noon Dismissal |
All Schools
|
| 12/17/2025 |
Semester Exams |
All Schools
|
| 12/18/2025 - 1/6/2026 |
Christmas Break |
All Schools
|
| 12/18/2025 |
Faculy In-service |
All Schools
|
| 12/25/2025 |
Christmas Day |
All Schools
|
| 12/31/2025 |
New Year's Eve |
All Schools
|
| 1/1/2026 |
New Year's Day |
All Schools
|
| 1/1/2026 |
Solemnity of Mary, Mother of God |
All Schools
|
| 1/6/2026 |
Epiphany |
All Schools
|
| 1/6/2026 |
Faculty In-service |
All Schools
|
| 1/6/2026 |
No Classes |
All Schools
|
| 1/7/2026 |
Classes Resume |
All Schools
|
| 1/15/2026 |
HSPT |
All Schools
|
| 1/19/2026 |
Martin Luther King Jr. Day |
All Schools
|
| 1/19/2026 |
No Middle School Classes |
All Schools
|
| 1/19/2026 |
Upper School Day of Service |
All Schools
|
| 1/22/2026 |
March for Life |
All Schools
|
| 1/23/2026 |
March for Life |
All Schools
|
| 1/24/2026 |
March for Life |
All Schools
|
| 1/25/2026 |
March for Life |
All Schools
|
| 1/31/2026 |
Admissions Testing |
All Schools
|
| 2/7/2026 |
Admissions Testing |
All Schools
|
| 2/9/2026 |
Communication of Grades to Parents |
All Schools
|
| 2/13/2026 |
Upper School Recess |
All Schools
|
| 2/14/2026 |
Valentine's Day |
All Schools
|
| 2/16/2026 |
Faculty/Staff In-service |
All Schools
|
| 2/16/2026 |
No Classes |
All Schools
|
| 2/16/2026 |
President's Day |
All Schools
|
| 2/18/2026 |
Ash Wednesday |
All Schools
|
| 2/27/2026 |
BraveART |
All Schools
|
| 2/27/2026 |
Middle School Recess |
All Schools
|
| 3/1/2026 |
Summer Enrollment Begins |
All Schools
|
| 3/8/2026 |
Daylight Saving Time Begins |
All Schools
|
| 3/13/2026 |
End of Quarter |
All Schools
|
| 3/13/2026 |
Noon Dismissal |
All Schools
|
| 3/16/2026 - 3/20/2026 |
Spring Break |
All Schools
|
| 3/23/2026 |
Classes Resume |
All Schools
|
| 3/29/2026 |
Palm Sunday |
All Schools
|
| 4/1/2026 |
Noon Dismissal |
All Schools
|
| 4/2/2026 - 4/6/2026 |
Easter Break |
All Schools
|
| 4/5/2026 |
Easter |
All Schools
|
| 4/6/2026 |
Easter Monday |
All Schools
|
| 4/7/2026 |
Classes Resume |
All Schools
|
| 4/9/2026 |
ISAS Arts Festival at St. Mark's |
All Schools
|
| 4/10/2026 |
ISAS Arts Festival at St. Mark's |
All Schools
|
| 4/11/2026 |
ISAS Arts Festival at St. Mark's |
All Schools
|
| 4/20/2026 |
Communication of Grades to Senior Parents |
All Schools
|
| 4/25/2026 |
Prom |
All Schools
|
| 4/27/2026 |
Communication of Grades to Parents |
All Schools
|
| 5/1/2026 |
Upper School Recess |
All Schools
|
| 5/4/2026 - 5/8/2026 |
AP Exams |
All Schools
|
| 5/4/2026 |
Faculty In-service |
All Schools
|
| 5/4/2026 |
No Classes |
All Schools
|
| 5/11/2026 - 5/15/2026 |
AP Exams |
All Schools
|
| 5/14/2026 |
Ascension of Jesus |
All Schools
|
| 5/21/2026 |
Noon Dismissal |
All Schools
|
| 5/22/2026 |
Final Exams |
All Schools
|
| 5/22/2026 |
Noon Dismissal |
All Schools
|
| 5/24/2026 |
Pentecost |
All Schools
|
| 5/25/2026 |
Memorial Day |
All Schools
|
| 5/25/2026 |
No Classes |
All Schools
|
| 5/26/2026 |
Final Exams |
All Schools
|
| 5/27/2026 |
Final Exams |
All Schools
|
| 5/28/2026 |
Grading Day |
All Schools
|
| 5/28/2026 |
No Classes |
All Schools
|
| 5/29/2026 |
Closing Ceremonies |
All Schools
|
| 5/29/2026 |
Noon Dismissal |
All Schools
|
| 6/8/2026 |
Summer Programs Begin |
All Schools
|
| 7/3/2026 |
Summer Programs End |
All Schools
|
| 7/4/2026 |
Independence Day |
All Schools
|
| 7/20/2026 - 7/24/2026 |
School Offices Closed |
All Schools
|
| 7/26/2026 - 7/31/2026 |
School Offices Closed |
All Schools
|
Tandem
