Interboro High School Calendar (2025-2026)
Calendar by educounty.net
| Date | Event |
|---|---|
| August 22, 2025 | Flexible Professional Staff Development Day |
| August 25-28, 2025 | Professional Development Days |
| August 28, 2025 | 9th Grade Orientation (8:30 am - 11:30am) |
| August 29, 2025 | Flexible Professional Staff Development Day |
| September 1, 2025 | District Closed |
| September 2, 2025 | Student Orientations 9th Grade: 7:40 am - 10:30 am 10th Grade: 11:40 am - 2:30 pm 11th Grade: 11:40 am- 2:30 pm 12th Grade 11:40 am - 2:30 pm |
| September 3, 2025 | Full Student Day |
| September 18, 2025 | IHS Back to School Night |
| October 2, 2025 | No School for Students and Teachers |
| October 3, 2025 | Professional Development Day No School for Students Grades 9-12 |
| October 13, 2025 | Professional Development Day No School for Students Grades 9-12 |
| October 31, 2025 | End of First Marking Period |
| November 4, 2025 | Professional Development Day No School for Students Grades 9-12 |
| November 7, 2025 | HS Report Cards Issued |
| November 24, 2025 | HS Evening Conferences 6-8 pm |
| November 26-28, 2025 | District Closed |
| December 23, 2025 | HS Student Early Dismissal (11:05 a.m.) |
| December 24, 2025 - January 2, 2026 | District Closed |
| January 5, 2026 | School Reopens |
| January 19, 2026 | District Closed |
| January 20-23, 2026 | Midterm Exams/Half Year Course Finals |
| January 23, 2026 | End of Second Marking |
| January 30, 2026 | HS Report Cards Issued |
| February 16, 2026 | No School for Students or Teachers |
| February 17, 2026 | Professional Development Day No School for Students Grades 9-12 |
| March 19, 2026 | End of Third Marking Period |
| March 20, 2026 | Professional Development Day No School for Students Grades 9-12 |
| March 27, 2026 | HS Report Cards Issued |
| March 30 - April 2, 2026 | No School for Students and Teachers |
| April 3 - April 6, 2026 | District Closed |
| April 7, 2026 | School Reopens |
| May 19, 2026 | School Day for Students Grades 9-12 No Professional Development Day at IHS Student Schedule Pending for Keystone Exams |
| May 25, 2026 | District Closed |
| June 5, 8, 9, 10, 2026 | Final Exams/Half Year Course Finals |
| June 10, 2026 | Last Day for Students Grades 9-12 |
| June 11, 2026 | High School Graduation No School for Students Grades 9-11 |
| June 12, 2026 | Professional Development Day No School for Students Grades 9-12 |
| June 15, 2026 | Contracted Staff Development Day Staff to submit 7 CSD Hours by May 23, 2026 |
| June 16, 2026 | Flexible Professional Staff Development Day Staff to submit 6 Flexible Hours by May 23, 2026 |
| June 19, 2026 | District Closed |
Interboro High School 2025-2026 Calendar FAQ
When is the first day of school in Interboro High School for the 2025-2026 school year?
The full student day for grades 9-12 begins on September 3, 2025. [cite: 20, 26]
When is Thanksgiving break in Interboro High School for the 2025-2026 school year?
Thanksgiving break is from November 26 to November 28, 2025. [cite: 20, 26]
When is the Winter break in Interboro High School for the 2025-2026 school year?
Winter break is from December 24, 2025, to January 2, 2026. [cite: 21, 26]
When does Interboro High School reopen after the Winter break?
School reopens on January 5, 2026. [cite: 21, 26]
When is Spring break in Interboro High School for the 2025-2026 school year?
Spring break is from March 30 to April 2, 2026, with District Closed days from April 3 to April 6, 2026. School reopens on April 7, 2026. [cite: 23, 26]
When is the last day of school in Interboro High School for the 2025-2026 school year?
The last day of school for students in grades 9-12 is June 10, 2026. [cite: 23, 26]
When is High School Graduation for the 2025-2026 school year?
High School Graduation is on June 11, 2026. [cite: 23, 26]
When are the Midterm Exams/Half Year Course Finals?
Midterm Exams/Half Year Course Finals are from January 20-23, 2026. [cite: 26]
When are the Final Exams/Half Year Course Finals?
Final Exams/Half Year Course Finals are on June 5, 8, 9, and 10, 2026. [cite: 26]
Calendar Disclaimer
The school calendar provided on this page is taken from the official Interboro High School website. Please note that all dates and events are subject to change at the discretion of the school district. For the most accurate and updated information, please refer to the official district website or contact the school helpline.