Katy ISD calendar begins the 2025–2026 year with New Teacher Orientation on July 29–31, 2025, followed by professional learning and campus preparation in early August. The first day of school for students is Wednesday, August 13, 2025. The fall semester wraps up with early dismissal, and the semester ends on December 19, leading into a winter holiday from December 22, 2025, through January 2, 2026.
The spring semester kicks off on Tuesday, January 6, 2026, with a week‑long spring break scheduled for March 9–13, 2026. The last day of school for seniors is Friday, May 15, 2026, and for all students, it’s an early dismissal on Thursday, May 21, 2026, with a campus staff day on May 22. Summer break begins May 22, 2026, and runs until the next school year starts.
Katy ISD Calendar 2025-2026
| Event | Start | End |
|---|---|---|
| First Day of School | Wed, Aug 13, 2025 | — (resources.finalsite.net, katyisd.org) |
| Winter Break | Mon, Dec 22, 2025 | Fri, Jan 2, 2026 |
| Spring Semester Begins | Tue, Jan 6, 2026 | — |
| Spring Break | Mon, Mar 9, 2026 | Fri, Mar 13, 2026 |
| Last Day for Seniors | Fri, May 15, 2026 | — |
| Last Day of School (all) | Thu, May 21, 2026 | — |
| Summer Break Begins | Fri, May 22, 2026 | Tue, Aug 12, 2025 (next school start) — approx. 12 weeks |
Katy ISD is a large, well-regarded public school district in suburban Houston, serving nearly 95,000 Pre‑K through 12th-grade students across around 74 schools. It consistently ranks at or near the top in Texas, with high state test scores, graduation rates of 95–98%, and strong AP/SAT/ACT results. The district also offers strong career and technical programs through its Miller Career and Technology Center, award-winning fine arts, and wider athletics opportunities. Katy ISD emphasizes individual learning, community participation, and student welfare, which aims to prepare every child to “fulfill life”.
Katy ISD Holidays 2025-2026
| Event | Start Date | End Date |
|---|---|---|
| First Day of School | Wednesday, August 13, 2025 | |
| Fall Semester | 13-Aug-25 | 19-Dec-25 |
| Winter Break | 22-Dec-25 | 2-Jan-26 |
| Spring Semester | 6-Jan-26 | 21-May-26 |
| Spring Break | 9-Mar-26 | 13-Mar-26 |
| Last Day of School | — | Friday, May 21, 2026 |
| Summer Break Begins | 22-May-26 | — |
Official Website – Katy ISD
Frequently Asked Questions
How do I register a new student at Katy ISD?
- Go to the online registration portal for new student registration in Katy ISD’s Powerschool System.
- Create a unique login (using email or mobile) and the required field (marked with the required).
- Submit the form, then wait for confirmation through email. Secondary (Grade 6-12) Students will receive counselor outreach after the tape is processed
Can I correct mistakes after submitting the registration form?
Yes. Before submission, use the “Prev”/”Next” button or click on the field underlined on the review page. After submission, contact your campus registrar for changes
Do I need to register each of my children separately?
Yes, you have to complete and submit a separate registration form for each child. However, the system allows for sharing family information to save time
Who can I contact if I have questions during registration?
Central registration katyisd.org email central registration