If you have a child in Spring Branch ISD, this page is your go-to resource for every important date in the 2026–2027 school year. We verified this information directly from the Spring Branch ISD official website and their published academic calendar PDF. From the Spring Branch ISD Calendar 26-27 first day of school all the way through to the last bell in late May, we’ve organized every key date, holiday, break, and grading period into one easy-to-read guide. Bookmark this page right now — you’ll thank yourself when spring break sneaks up on you.
Spring Branch ISD serves the northwest Houston area in Harris County, Texas, and families here know the drill: the school year is busy, dates change, and staying ahead of the calendar means fewer last-minute surprises. Whether you’re a parent trying to plan a family vacation, a teacher mapping out your classroom year, or a student counting down to winter break, this guide covers it all.
At-a-Glance Summary: SBISD Calendar 26-27
| Key Detail | Information |
|---|---|
| First Day of School | August 13, 2026 |
| Last Day of Instruction | May 26, 2027 |
| Total Student Days (Fall Semester) | 83 days |
| Total Student Days (Spring Semester) | 93 days |
| Total Instructional Days | 176 days |
| Fall Semester Ends | December 18, 2026 |
| Spring Semester Begins | January 5, 2027 |
| Spring Break | March 8–12, 2027 |
| Thanksgiving Break | November 23–27, 2026 |
| Winter Break | December 21, 2026 – January 1, 2027 |
Full Key Dates Table — Spring Branch ISD Calendar 2026–2027
| Event | Start Date | End Date | Notes |
|---|---|---|---|
| Independence Day Holiday | July 4, 2026 | July 4, 2026 | Staff & Students |
| New Teacher Orientation | July 29, 2026 | July 30, 2026 | New staff only |
| Teacher Work Day | July 31, 2026 | July 31, 2026 | No students |
| Staff Development | August 3, 2026 | August 7, 2026 | No students |
| Staff Development | August 10, 2026 | August 11, 2026 | No students |
| Teacher Work Day | August 12, 2026 | August 12, 2026 | No students |
| First Day of School | August 13, 2026 | — | All students |
| Labor Day Holiday | September 7, 2026 | September 7, 2026 | Staff & Students |
| PK/Elementary/Middle Early Dismissal | September 23, 2026 | September 23, 2026 | Staff Development |
| High School Early Dismissal | October 7, 2026 | October 7, 2026 | — |
| Staff Development – Student Holiday | October 9, 2026 | October 9, 2026 | No students |
| Holiday | October 12, 2026 | October 12, 2026 | Staff & Students |
| Parent/Teacher Conference – PK & Elementary Early Dismissal | October 22, 2026 | October 23, 2026 | — |
| Holiday | November 3, 2026 | November 3, 2026 | Staff & Students |
| Thanksgiving Break | November 23, 2026 | November 27, 2026 | Staff & Students |
| Secondary Early Dismissal | December 16, 2026 | December 18, 2026 | — |
| PK & Elementary Early Dismissal | December 18, 2026 | December 18, 2026 | — |
| Last Day of Fall Semester | December 18, 2026 | — | — |
| Winter Break | December 21, 2026 | January 1, 2027 | Staff & Students |
| New Year’s Day Holiday | January 1, 2027 | January 1, 2027 | Staff & Students |
| Staff Development – Student Holiday | January 4, 2027 | January 4, 2027 | No students |
| First Day of Spring Semester | January 5, 2027 | — | All students |
| MLK Day Holiday | January 18, 2027 | January 18, 2027 | Staff & Students |
| Middle School Early Dismissal / Staff Development | February 4, 2027 | February 4, 2027 | — |
| Parent/Teacher Conference – PK & Elementary Early Dismissal | February 4, 2027 | February 5, 2027 | — |
| Staff Development – Student Holiday | February 15, 2027 | February 15, 2027 | No students |
| High School Early Dismissal | March 3, 2027 | March 3, 2027 | — |
| Spring Break | March 8, 2027 | March 12, 2027 | Staff & Students |
| Holiday | March 26, 2027 | March 26, 2027 | Staff & Students |
| Holiday / Bad Weather Makeup Day | April 26, 2027 | April 26, 2027 | If needed |
| Secondary Early Dismissal | May 24, 2027 | May 26, 2027 | — |
| PK & Elementary Early Dismissal | May 26, 2027 | May 26, 2027 | — |
| Last Day of Instruction | May 26, 2027 | — | All students |
| Teacher Work Day / Bad Weather Makeup Day | May 27, 2027 | May 27, 2027 | No students |
| Memorial Day Holiday | May 31, 2027 | May 31, 2027 | Staff only |
Important: Always double-check and verify all calendar dates from the official Spring Branch ISD website before making travel or childcare arrangements. Dates are subject to change.
Monthly Breakdown — SBISD Academic Calendar 26-27
July 2026
| Date | Event |
|---|---|
| July 4 | Independence Day – Holiday (Staff & Students) |
| July 29–30 | New Teacher Orientation |
| July 31 | Teacher Work Day |
July is mostly quiet for families, but the district kicks into gear at month’s end. New teachers report on July 29–30. If your child is enrolled at a new school this year, expect welcome letters and class assignments to come through in late July.
August 2026
| Date | Event |
|---|---|
| August 3–7 | Staff Development |
| August 10–11 | Staff Development |
| August 12 | Teacher Work Day |
| August 13 | First Day of School |
The Spring Branch ISD Calendar 26-27 first day of school is August 13, 2026. That’s a Thursday. Teachers spend the first two weeks of August in staff development before students walk through the doors. Get those school supplies ready by August 10 at the latest.
September 2026
| Date | Event |
|---|---|
| September 7 | Holiday – Staff & Students (Labor Day) |
| September 23 | PK, Elementary & Middle School Early Dismissal / Staff Development |
Labor Day on September 7 is a full day off for everyone. September 23 brings an early dismissal for PK, elementary, and middle school students — plan pickup accordingly.
October 2026
| Date | Event |
|---|---|
| October 7 | High School Early Dismissal |
| October 9 | Staff Development – Student Holiday |
| October 12 | Holiday – Staff & Students |
| October 22–23 | Parent/Teacher Conference – PK & Elementary Early Dismissal |
October is one of the busier months on the SBISD Calendar 26 27 template. October 9 is a student holiday for staff development. October 12 is a full holiday. Then mark your Parent/Teacher Conference dates — October 22 and 23 — for early dismissal at PK and elementary campuses.
November 2026
| Date | Event |
|---|---|
| November 3 | Holiday – Staff & Students |
| November 23–27 | Thanksgiving Break – Staff & Students |
Thanksgiving Break runs November 23 through 27 — a full five days off. November 3 is an additional holiday that gives families a nice break early in the month.
December 2026
| Date | Event |
|---|---|
| December 16–18 | Secondary Early Dismissal |
| December 18 | PK & Elementary Early Dismissal |
| December 18 | Last Day of Fall Semester |
| December 21–31 | Holiday – Staff & Students (Winter Break) |
The fall semester wraps up on December 18, 2026. Secondary schools have early dismissal from December 16 through the 18th. Winter break begins December 21 and runs through the end of the month, continuing into January.
January 2027
| Date | Event |
|---|---|
| January 1 | New Year’s Day – Holiday (Staff & Students) |
| January 4 | Staff Development – Student Holiday |
| January 5 | First Day of Spring Semester |
| January 18 | Holiday – Staff & Students (MLK Day) |
Spring semester kicks off January 5, 2027. Students get January 4 off while staff report for development day. MLK Day on January 18 is a full holiday for everyone.
February 2027
| Date | Event |
|---|---|
| February 4 | Middle School Early Dismissal / Staff Development |
| February 4–5 | Parent/Teacher Conference – PK & Elementary Early Dismissal |
| February 15 | Staff Development – Student Holiday |
February brings another round of Parent/Teacher Conferences for PK and elementary families on February 4 and 5. February 15 is a student holiday.
March 2027
| Date | Event |
|---|---|
| March 3 | High School Early Dismissal |
| March 8–12 | Spring Break – Staff & Students |
| March 26 | Holiday – Staff & Students |
Spring Branch ISD Calendar spring break 2027 runs March 8 through March 12. That’s a solid five-day break. High schoolers get an early dismissal on March 3 heading into the break week. March 26 adds one more holiday day to the month.
April 2027
| Date | Event |
|---|---|
| April 26 | Holiday – Staff & Students (or Bad Weather Makeup Day if needed) |
April is a relatively light month on the calendar. The April 26 day off is conditionally scheduled — it may become a bad weather makeup day if the district needed it earlier in the year.
May 2027
| Date | Event |
|---|---|
| May 24–26 | Secondary Early Dismissal |
| May 26 | PK & Elementary Early Dismissal |
| May 26 | Last Day of Instruction |
| May 27 | Teacher Work Day / Bad Weather Makeup Day |
| May 31 | Holiday – Staff |
The school year closes on May 26, 2027. Secondary schools wind down with early dismissals May 24 through 26. May 27 is a teacher work day or potential makeup day. May 31 is a staff-only holiday.
Grading Periods — Spring Branch ISD 2026–2027
| Grading Period | Start Date | End Date | Length |
|---|---|---|---|
| 1st 9-Week Period | August 13, 2026 | October 8, 2026 | 40 days |
| 2nd 9-Week Period | October 13, 2026 | December 18, 2026 | 43 days |
| 3rd 9-Week Period | January 5, 2027 | March 5, 2027 | 42 days |
| 4th 9-Week Period | March 15, 2027 | May 26, 2027 | 51 days |
| Semester | Student Days |
|---|---|
| First Semester | 83 days |
| Second Semester | 93 days |
| Total | 176 days |
Download the Official Spring Branch ISD Calendar PDF
You can download and print the official SBISD 2026–2027 Academic Calendar directly from the district.
Click Here to Download the Official SBISD 2026–27 Calendar PDF
This is the official printable PDF published by Spring Branch ISD. Save it, print it, and stick it on your fridge. This SBISD Calendar 26 27 printable version is the same document used by district staff, so you know the dates are accurate. If dates are ever revised mid-year, the district will update their official website first — so always use that as your primary reference.
See also: Spring ISD Calendar 2026–2027 | Printable PDF
About Spring Branch ISD Schools
Spring Branch Independent School District serves the northwest Houston area in Harris County, Texas. The district enrolls approximately 35,000 students across more than 50 campuses, including elementary, middle, and high schools. SBISD is well known for its strong dual language programs, career and technical education pathways, fine arts academies, and STEM-focused learning initiatives. The district has consistently earned recognition for academic achievement across its diverse student population. Spring Branch ISD serves one of the most culturally rich communities in the greater Houston metro area. For the most current information on enrollment figures, leadership, and programs, visit the official SBISD website at springbranchisd.com.
What Harris County Parents Should Know About This Calendar
A few things stand out in the Spring Branch ISD 2026–2027 calendar that are worth flagging specifically for Harris County families.
First, notice that the April 26 day off is listed as either a holiday or a bad weather makeup day. That means if the district used bad weather days earlier in the year, April 26 becomes an instructional day. Do not plan anything that day until you know for certain. Second, the spring semester is notably longer than the fall — 93 days versus 83 — so the second half of the year carries more academic weight. Finally, Parent/Teacher Conferences happen twice: once in October for fall feedback, and again in February for mid-year check-ins. Harris County parents who stay on top of these dates tend to have a much smoother experience with teachers and school staff throughout the year.
How Spring Branch ISD Compares to Neighboring Districts
Spring Branch ISD starts school on August 13, 2026 — which is fairly standard for the Houston metro area. Nearby Katy ISD and Cypress-Fairbanks ISD typically begin school in the same mid-August window, often within a few days of each other. Spring break timing is also very similar across Harris County districts, with most schools in the area observing spring break in mid-March. Houston ISD, the state’s largest district, tends to follow a nearly identical calendar structure given that all Texas districts operate under TEA guidelines for minimum instructional days. Where Spring Branch ISD stands out is its additional professional development days built into the calendar, which signal strong investment in teacher training — something parents who care about classroom quality should view positively.
Planning a Family Trip? Best Times to Travel in Harris County
If you are planning a family vacation and want to avoid school conflicts, here are your best windows based on the SBISD 2026–2027 calendar:
Winter Break (December 21, 2026 – January 1, 2027) is your longest stretch — approximately 12 days. This is ideal for longer trips, including international travel, since you get maximum days with minimum missed school.
Spring Break (March 8–12, 2027) is five full days. This is the most popular travel window for Houston-area families. Book flights and hotels early — demand spikes significantly in January and February for spring break travel.
Thanksgiving Break (November 23–27, 2026) gives you five days, though travel during this period is typically the most expensive and the most congested. If you can be flexible with destinations, this window works well for road trips within Texas.
See also: What Is a Grading Period in School? A Complete Guide for Parents and Students
School Closings History in Harris County
Harris County, which includes the greater Houston area, has a unique weather pattern compared to most Texas districts. Rather than snow days, the area is more likely to see school closures due to tropical weather events, flooding, or severe storms in the Gulf Coast region. Spring Branch ISD, like most Houston-area districts, builds makeup days into its calendar — April 26, 2027, and May 27, 2027, are both listed as potential bad weather makeup days. Historically, SBISD has occasionally extended the school year by one to two days in years with significant weather disruptions, though this varies annually. Always monitor the district’s official channels during storm season, particularly August through October.
FAQs
Q: When does school start in Spring Branch ISD for 2026–2027?
The first day of school for Spring Branch ISD students is August 13, 2026. Teachers report earlier, with staff development running August 3 through 12 before students arrive.
Q: When is the last day of school for Spring Branch ISD in 2027?
The last day of instruction for all students is May 26, 2027. Secondary schools will have early dismissal from May 24 through 26, and PK and elementary students also have early dismissal on May 26.
Q: When is Spring Branch ISD spring break 2027?
Spring Branch ISD Calendar spring break 2027 runs from Monday, March 8 through Friday, March 12, 2027. It is a full week off for both staff and students.
Q: How many school days does Spring Branch ISD have in 2026–2027?
Spring Branch ISD has 83 student days in the first semester and 93 student days in the second semester, for a total of 176 instructional days.
Q: Are there any school closings or delays I should know about in advance?
The SBISD 2026–2027 calendar includes potential bad weather makeup days on April 26, 2027, and May 27, 2027. If those days are used for makeup instruction, the holidays previously scheduled may shift. Always check the district’s official website and sign up for district notifications for real-time updates on closings or delays.
Closing
There you have it — everything you need from the Spring Branch ISD 2026–2027 school calendar, all in one place. Bookmark this page so you always have quick access to key dates throughout the year. For real-time school closings, weather delays, or any last-minute calendar updates, always head directly to the official Spring Branch ISD website at springbranchisd.com — that is your most reliable source. And if you find yourself searching again in February or early March, check back here as spring break dates become the most searched topic for SBISD families every single year. Here’s to a great 2026–2027 school year for every student, teacher, and parent in Spring Branch ISD.
The PublicSchoolsCalendar.com Team compiles and verifies public school calendar data for districts across all 50 US states, drawing on official district websites and published family calendars to keep every page accurate and up to date.
