August 2026
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
- First Day of School
Official source verifiedTarrant County · Traditional independent school district
Arlington ISD Secondary Calendar 2026-2027
Secondary students start August 12 and finish May 26. Early dismissal is December 17-18 and May 25-26: 12:45 p.m. for junior high and 11:35 a.m. for high school.
Arlington ISD secondary students start August 12, 2026, and finish May 26, 2027. Students have four early-dismissal dates: December 17-18 and May 25-26. Junior high dismisses at 12:45 p.m. and high school at 11:35 a.m. on those dates. Spring break is March 15-19.
Official calendar checked Official district source
Official calendar
Arlington ISD 2026–2027 Secondary Student key dates
| Event | Date | Status |
|---|---|---|
| First Day of School | School opens | |
| Student and Staff Holiday | No classes | |
| Student Holiday | No classes | |
| Student Holiday / Parent Conferences | No classes | |
| Student and Staff Holiday | No classes | |
| Student and Staff Holiday | No classes | |
| Student Holiday | No classes | |
| Student and Staff Holiday | through | No school |
| Early Dismissal | through | Early dismissal |
| Student and Staff Holiday | through | No school |
| Student Holiday | through | No classes |
| Student and Staff Holiday | No classes | |
| Student Holiday / Parent Conferences | No classes | |
| Student and Staff Holiday | No classes | |
| Student Holiday | No classes | |
| Student and Staff Holiday | through | No school |
| Student & Staff Holiday / Bad Weather Make-Up Day | If needed | |
| Student & Staff Holiday / Bad Weather Make-Up Day | If needed | |
| Early Dismissal | Early dismissal | |
| Last Day of School / Early Dismissal | School closes |
Month by month
Arlington ISD 2026–2027 Secondary Student monthly calendar
Highlighted dates follow the published calendar; grouped or inferred entries are labelled. Today is determined in Central Time (America/Chicago).
- School Day
- Weekend
- Holiday (No School)
- School Break
- First / Last Day
- Important Date
September 2026
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
- Student and Staff Holiday
- Student Holiday
October 2026
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
- Student Holiday / Parent Conferences
- Student and Staff Holiday
November 2026
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
- Student and Staff Holiday
- Student Holiday
- Student and Staff Holiday
December 2026
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
- Student and Staff Holiday
January 2027
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
- Student Holiday
- Student and Staff Holiday
February 2027
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
- Student Holiday / Parent Conferences
- Student and Staff Holiday
- Student Holiday
March 2027
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
- Student and Staff Holiday
- Student & Staff Holiday / Bad Weather Make-Up Day
April 2027
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
- Student & Staff Holiday / Bad Weather Make-Up Day
May 2027
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
- Last Day of School / Early Dismissal
Planning notes
Arlington ISD 2026–2027 Secondary Student calendar notes
School calendar overview
The 2026–2027 Secondary Student school calendar begins Aug 12, 2026 and ends May 26, 2027.
Before you plan
Confirm bell times, conference appointments, A/B assignments and weather-related changes with Arlington ISD or your student's campus.
Major school breaks
- Thanksgiving holidaysNov 23 – 27, 2026
- Winter no-class periodDec 21, 2026 – Jan 5, 2027
- Spring breakMar 15 – 19, 2027
School year by the numbers
- Student attendance days
- 172 days
- Calculated from official datesCalculated from 206 weekdays between the first and last student days, adjusting for 32 confirmed no-school weekdays, 2 conditional make-up weekdays currently listed without regular classes. The total will change if the district activates a make-up date.
- Total no-school weekdays
- 32 weekdays
- Calculated from official datesCounted from districtwide no-class events between the first and last student days. Weekends and shortened school days are excluded, and overlapping events count once.
- Student no-school days
- 7 days
- Calculated from official datesCounts weekdays without regular classes outside holidays and multi-day breaks, including staff or planning days. Overlapping entries count once.
- Listed early-release dates
- 4 dates
- Calculated from official datesCounted from official early-release entries; some dates apply only to the grades or campuses named in the calendar.
- Longest listed break
- 18 consecutive days
- Calculated from official datesDec 19, 2026–Jan 5, 2027, including weekends. The stretch contains 12 confirmed no-school weekdays.
- Long weekends
- 4
- Calculated from official datesCounts three- or four-day no-school stretches formed by a weekend plus one or two confirmed weekday closures. Longer school breaks are excluded.
- Full-week breaks
- 3 breaks
- Calculated from official datesCounts continuous no-school stretches containing at least five confirmed weekdays without regular classes. Adjacent holidays and weekends remain part of the same break.
What to know
- The Secondary calendar lists two more early-dismissal dates than the Elementary calendar.
- Junior high students dismiss at 12:45 p.m. on early-release dates; high school students dismiss at 11:35 a.m.
- Students on an A/B rotation need the separate High School A/B PDF for exact daily assignments.
Editorial summary
Planning around the Arlington ISD secondary calendar
The Secondary calendar covers junior high and high school, but their dismissal times differ. On December 17-18 and May 25-26, junior high students leave at 12:45 p.m. and high school students at 11:35 a.m. Regular school hours are 8:45 a.m.-4:10 p.m. for junior high and 7:35 a.m.-3:00 p.m. for high school. Students following an A/B rotation should use the separate High School A/B calendar for daily letter assignments.
Classes begin August 12, 2026, and end May 26, 2027. The fall calendar includes student holidays September 7-8, October 9 and 12, and November 2-3. October 9 and February 12 are also parent-conference days. Students are off February 12-16, including the weekend, and return Wednesday, February 17.
Thanksgiving break is November 23-27. The December 21-January 1 holiday and January 4-5 student holidays keep students out of class until January 6; spring break is March 15-19. March 26 and April 23 remain holidays unless needed for bad-weather make-up time. Early College High School students have a separate calendar with different winter and TCC dates.
Common questions
Arlington ISD 2026–2027 Secondary Student calendar FAQs
When is the first day of secondary school in Arlington ISD?
The first day for Arlington ISD secondary students is Wednesday, August 12, 2026.
When is the last day of secondary school in Arlington ISD?
The last day is Wednesday, May 26, 2027. It is also an early-dismissal day.
Does Arlington ISD have a fall break for secondary students?
The calendar does not list a weeklong fall break. Students are off October 9 for a student holiday and parent conferences, and October 12 for a student and staff holiday.
When is Arlington ISD Thanksgiving break?
Secondary students have no classes November 23-27, 2026, and return Monday, November 30.
When do Arlington ISD secondary students return after winter break?
Students return Wednesday, January 6, 2027. The December 21-January 1 holiday is followed by student holidays January 4-5.
When is Arlington ISD spring break?
Spring break runs March 15-19, 2027, with classes resuming Monday, March 22.
Which days have early dismissal on the Arlington ISD secondary calendar?
Early dismissal is scheduled December 17-18, 2026, and May 25-26, 2027.
What time do secondary students leave on early-dismissal days?
Junior high students dismiss at 12:45 p.m., while high school students dismiss at 11:35 a.m.
When are secondary parent conferences in Arlington ISD?
October 9, 2026, and February 12, 2027, are student holidays and parent-conference days. Campuses provide appointment details.
What are regular Arlington ISD secondary school hours?
The calendar lists junior high hours as 8:45 a.m.-4:10 p.m. and high school hours as 7:35 a.m.-3:00 p.m.
Could Arlington ISD secondary students attend school on March 26 or April 23, 2027?
Possibly. Both dates are holidays and bad-weather make-up days. They remain no-class days unless Arlington ISD announces that a make-up day is required.
Is the Arlington ISD secondary calendar the same as the A/B calendar?
The holiday and early-dismissal dates align, but the A/B PDF adds the daily A-day and B-day rotation. Students using that schedule should consult the separate A/B calendar.
Does the secondary calendar apply to Early College High School students?
Not for every date. Arlington ISD publishes a separate Early College High School calendar with its own TCC milestones and a longer winter holiday period.
Where can families download the official Arlington ISD secondary calendar?
The official PDF is linked on this page and on the Arlington ISD Calendars page. The district page says the Secondary calendar was approved January 22, 2026.
Are Arlington ISD secondary students off September 7 and 8?
Yes. September 7, 2026, is a student and staff holiday, and September 8 is a student holiday. Secondary classes resume Wednesday, September 9.
Are secondary students off November 2 and 3, 2026?
Yes. November 2 is a student and staff holiday, and November 3 is a student holiday. Classes resume Wednesday, November 4.
Are Arlington ISD secondary students off February 12-16, 2027?
Yes. February 12 is a student holiday and parent-conference day, February 15 is a student and staff holiday, and February 16 is a student holiday. With the weekend between them, students are out February 12-16 and return February 17.
Is December 17, 2026, a full school day for Arlington ISD secondary students?
No. The Secondary calendar lists December 17 as an early-dismissal day, as well as December 18. Junior high dismisses at 12:45 p.m. and high school at 11:35 a.m.
Is May 25, 2027, a full school day for Arlington ISD secondary students?
No. May 25 is an early-dismissal day. May 26 is both the last student day and another early-dismissal day. Junior high dismisses at 12:45 p.m. and high school at 11:35 a.m.
Reference
Arlington ISD 2026–2027 Secondary Student resources
Source and scope
About the Arlington ISD 2026–2027 Secondary Student calendar
Data source
Dates come from Arlington ISD's official 2026-2027 Secondary Student Academic Calendar and the district calendar page.
How dates are handled
The English calendar pages were reviewed. Early-dismissal ranges are stored only where both printed dates use that schedule, and conditional make-up days remain separate from confirmed holidays.
Updates
Arlington ISD may activate a make-up day or revise dismissal information. This page was verified October 3, 2026.
Disclaimer
Confirm bell times, conference appointments, A/B assignments and weather-related changes with Arlington ISD or your student's campus.
Arlington ISD 2026–2027 Secondary Student sources & verification
Source confirmed- District
- Arlington Independent School District
- 2026-2027 Secondary Student Academic Calendar
- View official source
- Arlington ISD Calendars
- View official source
- Arlington ISD School Hours
- View official source
- Source last checked
- Revision count
- 0