London Independent School District (LISD), located in the growing community of Corpus Christi, Texas, operates on a unique academic schedule that differs from many traditional surrounding districts. For parents, students, and staff planning their year, understanding the 2025-2026 academic calendar is essential for managing childcare, vacations, and academic milestones. The upcoming school year begins for students on July 23, 2025, and concludes on May 22, 2026.

One of the defining features of the London ISD calendar is the inclusion of "Intersessions." These designated weeks throughout the year provide breaks for students and staff, often used for targeted intervention, enrichment, or simply a mental health reset. Navigating these breaks requires early planning, especially for working families in the FM 43 area.

Key Dates for the London ISD 2025-2026 School Year

For a quick reference, the following dates represent the most critical turning points in the upcoming academic session.

  • First Day for Students: July 23, 2025
  • Labor Day (No School): September 1, 2025
  • September Intersession: September 1 – September 5, 2025
  • October Intersession: October 20 – October 24, 2025
  • Thanksgiving Break: November 24 – November 28, 2025
  • Winter Break: December 22, 2025 – January 2, 2026
  • February Intersession: February 16 – February 20, 2026
  • Spring Break: March 16 – March 20, 2026 (Note: Often aligned with intersession periods)
  • Last Day for Students: May 22, 2026
  • High School Graduation: May 22, 2026

Overview of the 2025-2026 Academic Calendar Structure

The London ISD calendar is meticulously designed to balance instructional days with strategic breaks. By starting earlier in July than many other Texas districts, LISD creates room for the intersession periods that have become a hallmark of the district's commitment to student success and staff retention.

The academic year is divided into six distinct grading periods. This structure allows for frequent feedback for students and parents, ensuring that any academic challenges are identified early. For the 2025-2026 year, these periods are roughly 5 to 6 weeks long, separated by either a full break or a staff development day.

The Role of Staff Professional Development and Collaboration

Throughout the calendar, several days are designated specifically for "Professional Development" (PD) or "Staff Collaboration." On these days, students do not attend school. These dates are vital for the district's faculty to align their curriculum, analyze testing data from the STAAR (State of Texas Assessments of Academic Readiness), and participate in safety training.

For the 2025-2026 year, notable staff-only days include July 16–22 (Pre-service), September 8, October 27, December 1, and January 5–6. Parents should note that while students are off, the campus offices remain open, making these ideal times for administrative tasks like transcript requests or enrollment updates.

Monthly Breakdown of the LISD School Calendar

July 2025: Starting the Summer Transition

While many students in Texas are still in the middle of their summer vacation in July, London ISD Pirates begin their preparations mid-month.

  • July 15: New Staff Orientation. This is a critical day for educators joining the LISD family to learn the district's specific culture and the logistical demands of the FM 43 campuses.
  • July 16–22: Professional Development and Collaboration. Teachers return to their classrooms to set up and finalize lesson plans.
  • July 23: First Day for Students. The morning drop-off at the elementary and secondary campuses is traditionally the busiest time of the year. Traffic on FM 43 tends to peak between 7:15 AM and 8:30 AM.

The early start in July allows the district to finish the first grading period by late August, providing a clean break before the first major intersession in September.

August 2025: Establishing the Routine

August is a month of full academic immersion. With the initial excitement of the first week settled, students dive into their core subjects.

  • August 29: End of the 1st Grading Period. This marks the first opportunity for formal progress reports and grade evaluations.

Families should use this month to ensure all registration paperwork is finalized and that students are acclimated to the rigorous pace of the London ISD curriculum.

September 2025: The First Intersession

September introduces the first significant break in the schedule.

  • September 1: Labor Day. This is a district-wide holiday for both students and staff.
  • September 1–5: September Intersession. Most students are off this week. However, the district may utilize these days for specific student groups who require additional academic support.
  • September 8: Staff Collaboration Day. No school for students.
  • September 9: Beginning of the 2nd Grading Period.

The September break is often a favorite for local families to travel before the traditional fall rush, as many other districts are still in session.

October 2025: Fall Progress and the Second Intersession

As the weather in South Texas begins to cool slightly, the academic intensity increases.

  • October 17: End of the 2nd Grading Period.
  • October 20–24: October Intersession. This one-week break provides a necessary pause before the holiday season begins.
  • October 27: Staff Collaboration Day. Students remain at home while teachers prepare for the second half of the fall semester.
  • October 28: Beginning of the 3rd Grading Period.

November 2025: Thanksgiving Traditions

November is dominated by the Thanksgiving holiday.

  • November 24–28: Thanksgiving Break. The entire district is closed for the full week, allowing families to travel and celebrate without missing instructional time.

In London ISD, the week-long Thanksgiving break is highly valued, as it recognizes the hard work put in during the early start in July and the subsequent grading periods.

December 2025: Concluding the First Semester

December is a busy month filled with fine arts performances, athletic events, and the conclusion of the first semester.

  • December 1: Staff Collaboration Day. This is a student holiday.
  • December 18: End of the 3rd Grading Period and the First Semester.
  • December 18: Early Release Day. Students are dismissed early (Elementary at 12:15 PM, Secondary at 1:15 PM).
  • December 19: Staff Workday. Teachers finalize grades for the semester.
  • December 22 – January 2: Winter Break. The district is closed for the holiday season.

January 2026: Starting the New Year

The return to school in January marks the beginning of the second semester.

  • January 5: Staff Workday.
  • January 6: Staff Collaboration Day.
  • January 7: First Day of the Second Semester and the 4th Grading Period begins.
  • January 19: Martin Luther King Jr. Day. This is a holiday for both students and staff.

January often involves the start of intensive preparation for spring testing and the middle of the basketball and soccer seasons.

February 2026: Winter Intersession

The February schedule mirrors the earlier fall breaks.

  • February 13: End of the 4th Grading Period.
  • February 16–20: February Intersession. This break often coincides with President's Day.
  • February 23: Staff Collaboration Day.
  • February 24: Beginning of the 5th Grading Period.

For athletes in spring sports like baseball and softball, the February intersession often involves practice schedules, though formal classes are not in session.

March 2026: Spring Break and Testing Prep

March is a pivotal month for academic readiness.

  • March 13: Staff Collaboration Day. Student holiday.
  • March 16–20: Spring Break. While LISD uses intersessions, this week is aligned with the traditional Spring Break schedule used by many Texas universities and districts, making it easier for families with students in multiple educational systems.
  • March 30–31: March/April Intersession transition.

April 2026: The Final Push

As the school year nears its end, April becomes focused on the STAAR testing window and finalizing the 5th grading period.

  • April 1–3: Intersession continued.
  • April 6: Student and Staff Holiday. Often used as a weather day if no bad weather closures occurred during the year.
  • April 17: End of the 5th Grading Period.
  • April 20: Beginning of the 6th and Final Grading Period.

May 2026: Graduation and Year-End Celebrations

The final month of the year is a whirlwind of activity for the London ISD community.

  • May 22: Last Day for Students.
  • May 22: End of the 6th Grading Period.
  • May 22: Early Release Day.
  • May 22: High School Graduation. The graduation ceremony for the senior class is the highlight of the year, usually held in the evening.
  • May 25: Staff Holiday (Memorial Day).
  • May 26: Final Staff Workday.

Understanding School Hours and Schedules

London ISD maintains staggered start and end times across its campuses to manage the flow of traffic on FM 43 and ensure student safety. For the 2025-2026 school year, the standard hours are as follows:

Elementary and Early Childhood

  • Start Time: 7:45 AM
  • Dismissal Time: 3:15 PM
  • Early Release Dismissal: 12:15 PM

Intermediate and Middle School

  • Start Time: 8:15 AM
  • Dismissal Time: 3:45 PM
  • Early Release Dismissal: 1:15 PM

London High School

  • Start Time: 8:45 AM
  • Dismissal Time: 4:15 PM
  • Early Release Dismissal: 1:15 PM

Parents are encouraged to arrive at least 15 minutes before dismissal to navigate the car rider lines, which can be quite long during the first few weeks of school.

London ISD Board of Trustees Meetings

The Board of Trustees plays a vital role in the governance of the district, including the approval of the annual calendar. Meetings are typically held on the second Monday of each month at 6:00 PM in the London Administration Building located at 1356 FM 43.

Scheduled Board Meeting dates for the 2025-2026 period include:

  • August 11, 2025
  • September 8, 2025
  • October 6, 2025
  • November 10, 2025
  • December 8, 2025
  • January 12, 2026
  • February 9, 2026
  • March 16, 2026
  • April 13, 2026
  • May 11, 2026
  • June 8, 2026

While these dates are tentative and subject to change based on district needs, they provide a framework for community members who wish to stay informed about district policies and budget decisions.

Navigating the LISD Intersession Model

The intersession model used by London ISD is a proactive approach to modern education. By breaking the long summer into smaller, more frequent breaks throughout the year, the district aims to reduce "summer slide" (the loss of academic knowledge during long periods of absence) and prevent burnout among both teachers and students.

Benefits for Students

For students who may be struggling in a particular subject like Mathematics or Reading, intersessions often provide a smaller, more focused environment for "Intersession Camps." These sessions allow for intensive one-on-one or small-group instruction that can help a student catch up before the next grading period begins. Conversely, for students who are excelling, these breaks offer a time for enrichment and personal projects.

Considerations for Parents

The primary challenge of the intersession model is childcare. Since LISD is off when many other Corpus Christi area districts (like CCISD or Flour Bluff ISD) are in session, finding local childcare during the September or February breaks requires advanced booking. Many local community centers and youth organizations in the Coastal Bend area have begun to offer "Intersession Camps" specifically catering to London ISD families.

Attendance and Absences

Texas law requires that students attend school for at least 90% of the days the class is offered to receive credit. Because the London ISD calendar already provides generous breaks through intersessions, the district maintains a strict policy regarding additional discretionary absences.

Families are strongly discouraged from taking vacations during instructional weeks. If a student must be absent, a written note from a parent or a doctor’s excuse must be submitted to the campus office within three days of the student's return to school.

Preparing for Weather-Related Closures

In South Texas, weather-related closures are most often caused by tropical storms or rare winter icing events. London ISD utilizes multiple channels to communicate emergency closures:

  • District Website: The homepage is the primary source of truth.
  • Social Media: Follow @LISDPirates on social platforms for real-time updates.
  • Direct Messaging: Ensure your contact information is up to date in the Parent Portal to receive automated calls and texts.

If the district closes due to weather, the calendar includes designated "Calamity Make-Up Days" or uses the minutes already built into the schedule to avoid extending the school year into June.

Summary of the 2025-2026 School Year

The London ISD 2025-2026 school calendar provides a balanced and rigorous framework for the district's students. Starting on July 23, 2025, and ending on May 22, 2026, the year is punctuated by strategic intersessions in September, October, and February. These breaks, combined with the traditional week-long Thanksgiving and two-week Winter breaks, support the district's goal of maintaining high academic standards while prioritizing student and staff well-being. By understanding the staggered school hours and the six-period grading cycle, families can better navigate the logistical demands of being part of one of the top-performing districts in the Corpus Christi area.

Frequently Asked Questions (FAQ)

What is the first day of school for London ISD in 2025?

The first day of school for students is Wednesday, July 23, 2025.

When does London ISD go on Winter Break?

Winter Break for the 2025-2026 school year begins on Monday, December 22, 2025, and ends on Friday, January 2, 2026. Students return to campus on Wednesday, January 7, 2026, following two staff-only days.

What are London ISD intersessions?

Intersessions are one-week breaks scheduled throughout the year (September, October, and February). They are designed to prevent academic burnout and provide opportunities for targeted student support or enrichment.

Is there school on Labor Day?

No, London ISD is closed on Monday, September 1, 2025, for Labor Day. This date also marks the beginning of the first intersession of the year.

What time does London High School start and end?

London High School begins its instructional day at 8:45 AM and dismisses at 4:15 PM. On early release days, dismissal occurs at 1:15 PM.

How many grading periods are in the LISD calendar?

There are six grading periods in total, three in the fall semester and three in the spring semester. Each period typically lasts between five and six weeks.

When is the London ISD 2026 graduation?

The graduation ceremony for the London High School Class of 2026 is scheduled for Friday, May 22, 2026.