Aldine ISD Calendar 2025-2026: Important Dates and Deadlines

The Aldine ISD Calendar 2025–2026 includes crucial Aldine ISD important dates for students and parents across the Traditional, ADSY (Additional School Days Year‑round), and ACE calendars. These are the term schedules and deadlines to be aware of when planning your school year.

The 2025-2026 first day of school for the Aldine Independent School District (AISD) is Monday, August 11, 2025, for the traditional calendar. For schools on the ADSY calendar (e.g., Vines, Ermel, Harris, Smith Elementary), the first day of classes is Monday, July 24, 2025.

The district offers two distinct instructional calendars: Traditional and ADSY, each with an approximate school year length of 180 instructional days. Staff Development and student holidays are interwoven between instructional blocks, so check your school’s specific calendar.

The AISD district calendar includes major holidays and dedicated professional development days aligned with student breaks.

Bookmark the Aldine ISD “Instructional Calendar 2025–2026” page for updates on academic schedules, drop‑off/pick‑up hours, or district‑wide events (such as homecoming or exam days).

With this full overview of Aldine ISD’s important dates, term dates, and holiday schedules, you’ll be ready whether you’re getting your student registered before August, planning spring break with the family, or preparing for end‑of‑year exams.

Aldine ISD Calendar 2025-2026

The following are the important dates and deadlines from the Aldine ISD Calendar 2025–2026.

1. Teachers report to work on Tuesday, July 29, 2025.
2. Staff development runs from Tuesday, July 29, to Friday, August 8, 2025.
3. The first day of classes for Aldine ISD students is Monday, August 11, 2025.
4. The first grading period begins on Monday, August 11, 2025, and ends on Friday, October 3, 2025.
5. Labor Day is observed on Monday, September 1, 2025, and the Institute will be closed.
6. A staff development day is scheduled for Monday, October 6, 2025.
7. Students will have a holiday from Monday, October 6, to Friday, October 10, 2025.
8. Report cards for the first grading period will be issued on Friday, October 17, 2025.
9. The second grading period begins on Monday, October 13, 2025, and ends on Thursday, December 18, 2025.
10. A staff development day will be held on Tuesday, November 4, 2025.
11. Aldine ISD Thanksgiving Break 2025 is scheduled from Monday, November 24, to Friday, November 28, 2025.
12. A staff development day is scheduled for Friday, December 19, 2025.
13. The Midwinter Break for Aldine ISD will occur from Monday, December 22, 2025, through Friday, January 2, 2026.
14. Staff development days are scheduled for Monday, January 5, and Tuesday, January 6, 2026.
15. Classes resume for Aldine ISD students on Wednesday, January 7, 2026.
16. The third grading period begins on Wednesday, January 7, 2026, and ends on Friday, March 13, 2026.
17. Report cards for the second grading period will be issued on Monday, January 12, 2026.
18. Martin Luther King Jr. Day will be observed on Monday, January 19, 2026, and there will be no school.
19. Staff development is scheduled for Monday, February 9, 2026.
20. Students will have a holiday from Monday, February 9, to Friday, February 13, 2026.
21. Report cards for the third grading period will be issued on Friday, March 27, 2026.
22. Aldine ISD Spring Break 2026 is scheduled from Monday, March 16, to Friday, March 20, 2026. Classes resume on Monday, March 23, 2026.
23. The fourth grading period begins on Monday, March 23, 2026, and ends on Thursday, May 28, 2026.
24. Students will have a holiday on Friday, April 3, 2026.
25. Memorial Day will be observed on Monday, May 25, 2026, and the Institute will be closed.
26. The last day of classes for students is Thursday, May 28, 2026.
27. Report cards will be issued on Thursday, May 28, 2026, or Monday, June 15, 2026, depending on the student’s program.
28. The last day for teachers is Friday, May 29, 2026.
29. A final staff development day will also be held on Friday, May 29, 2026.

Aldine ISD Holiday Schedule 2025-2026

Here is the Aldine ISD Holiday Schedule for 2025–2026.

Aldine ISD Calendar 2025-2026 PDF

Below is the Aldine ISD Calendar 2025-2026 PDF

For more on the Aldine ISD Calendar 2025-2026, visit the Aldine Independent School District Calendar website.