The Round Rock ISD School Calendar 27-28 is out, so you can start planning now. Students in Round Rock ISD, Texas, start on Wednesday, August 18, 2027. The last day of classes is Thursday, May 25, 2028.
We verified this directly from the Round Rock ISD official website. The district’s Calendars page now posts the 2027-2028 calendar in English and Spanish.
Round Rock ISD serves families in southern Williamson County and northwest Travis County. That includes the City of Round Rock and parts of Austin and Cedar Park.
This guide covers it all. You get the first day of school, Thanksgiving break, winter break, and spring break 2027-2028. You also get every staff development day, the grading periods, bell times, and a month-by-month count. There is a link to the printable PDF too.
Parents bookmark this page because it puts the whole Round Rock ISD school year on one screen, with no digging through PDFs.
Round Rock ISD Calendar 2027-28 At a Glance
Short on time? Here are the dates most parents need.
| Item | Detail |
|---|---|
| First day of school | Wednesday, August 18, 2027 |
| Last day of school | Thursday, May 25, 2028 |
| Total school days | 170 (our count from the calendar, not an official district figure) |
| Fall / Thanksgiving break | November 22–26, 2027 |
| Winter break | December 20–31, 2027 |
| Spring break | March 13–17, 2028 |
| School hours | Elementary 7:35 a.m.–2:55 p.m.; Middle 8:15 a.m.–3:35 p.m.; High 9:00 a.m.–4:20 p.m. |
Round Rock ISD School Calendar 27-28 Key Dates
These are the dates that shape your year. The first day of school is August 18, 2027, a Wednesday, so week one is a short three-day week.
| Event | Start Date | End Date | Notes |
|---|---|---|---|
| Staff Development / Prep | Aug 9, 2027 (Mon) | Aug 17, 2027 (Tue) | No students |
| First Day for Students | Aug 18, 2027 (Wed) | — | 1st nine weeks begins |
| Labor Day | Sep 6, 2027 (Mon) | — | Student & staff holiday |
| Fall Break / Thanksgiving Break | Nov 22, 2027 (Mon) | Nov 26, 2027 (Fri) | Full week off; Thanksgiving Day is Nov 25 |
| Last Day of First Semester | Dec 16, 2027 (Thu) | — | Dec 17 is a Teacher Work Day, no students |
| Winter Break | Dec 20, 2027 (Mon) | Dec 31, 2027 (Fri) | Jan 3 is a staff development day; students return Jan 4, 2028 |
| Martin Luther King Jr. Day | Jan 17, 2028 (Mon) | — | Student & staff holiday |
| Spring Break | Mar 13, 2028 (Mon) | Mar 17, 2028 (Fri) | Mar 20 is a staff development day; students return Mar 21 |
| Good Friday | Apr 14, 2028 (Fri) | — | Student & staff holiday |
| Last Day of Classes | May 25, 2028 (Thu) | — | Second semester ends |
| Teacher Work Days | Dec 17, 2027 and May 26, 2028 | — | No students |
| State testing: SST Beginning of Year | Aug 23, 2027 | Sep 30, 2027 | TEA window; STAAR is replaced by the Student Success Tool (SST) in 2027-28 |
| State testing: STAAR End-of-Course (final fall round) | Dec 6, 2027 | Dec 17, 2027 | Algebra I, English I, Biology, U.S. History |
| State testing: SST Middle of Year | Jan 3, 2028 | Feb 21, 2028 | TEA window |
| State testing: TELPAS | Feb 14, 2028 | Mar 24, 2028 | English learners |
| State testing: SST End of Year | May 1, 2028 | May 19, 2028 | Reading/English May 1–12; math, science, social studies May 8–19 |
Source: Round Rock ISD official calendar. Last verified: November 10, 2026. State testing windows come from the Texas Education Agency 2027–2028 Student Assessment Testing Calendar (March 2026). Your campus sets exact test days inside each window.
Round Rock ISD School Hours 2027-2028
| School Level | Hours |
|---|---|
| Elementary School | 7:35 a.m. – 2:55 p.m. |
| Middle School | 8:15 a.m. – 3:35 p.m. |
| High School | 9:00 a.m. – 4:20 p.m. |
Full Round Rock ISD Calendar of Events 2027-28
| Date | Day | Event |
|---|---|---|
| August 9–17, 2027 | Monday–Tuesday | Staff Development / Prep |
| August 18, 2027 | Wednesday | First Day for Students |
| September 6, 2027 | Monday | Student & Staff Holiday / Labor Day |
| September 20, 2027 | Monday | Student Holiday / Staff Development |
| October 8, 2027 | Friday | Student Holiday / Staff Development / Conference Day |
| October 11, 2027 | Monday | Student & Staff Holiday / YOU Day / Indigenous Peoples’ Day / Columbus Day |
| November 1, 2027 | Monday | Student Holiday / Staff Development |
| November 22–26, 2027 | Monday–Friday | Student & Staff Holiday / Fall Break |
| December 16, 2027 | Thursday | Last Day of Classes / First Semester Ends |
| December 17, 2027 | Friday | Student Holiday / Teacher Work Day |
| December 20–31, 2027 | Monday–Friday | Student & Staff Holiday / Winter Break |
| January 3, 2028 | Monday | Student Holiday / Staff Development |
| January 17, 2028 | Monday | Student & Staff Holiday / Martin Luther King Jr. Day |
| February 18, 2028 | Friday | Student Holiday / Staff Development / Conference Day |
| February 21, 2028 | Monday | Student & Staff Holiday / YOU Day / Presidents’ Day |
| March 13–17, 2028 | Monday–Friday | Student & Staff Holiday / Spring Break |
| March 20, 2028 | Monday | Student Holiday / Staff Development |
| April 14, 2028 | Friday | Student & Staff Holiday / Good Friday |
| May 25, 2028 | Thursday | Last Day of Classes / Second Semester Ends |
| May 26, 2028 | Friday | Teacher Work Day |
| May 29, 2028 | Monday | Staff Holiday / Memorial Day |
| June 19, 2028 | Monday | Staff Holiday / Juneteenth |
Student Holidays and Staff Development Days (No Students)
| Date | Day | Event |
|---|---|---|
| August 9–17, 2027 | Monday–Tuesday | Staff Development / Prep |
| September 20, 2027 | Monday | Staff Development |
| October 8, 2027 | Friday | Staff Development / Conference Day |
| November 1, 2027 | Monday | Staff Development |
| December 17, 2027 | Friday | Teacher Work Day |
| January 3, 2028 | Monday | Staff Development |
| February 18, 2028 | Friday | Staff Development / Conference Day |
| March 20, 2028 | Monday | Staff Development |
| May 26, 2028 | Friday | Teacher Work Day |
Grading Periods (Nine Weeks)
The calendar marks only the start and end of each grading period. The day counts below are our own count, not official district figures.
| Semester | Period | Begins | Ends | Days (counted) |
|---|---|---|---|---|
| First Semester | 1st Nine Weeks | Aug 18, 2027 | Oct 7, 2027 | 35 |
| First Semester | 2nd Nine Weeks | Oct 12, 2027 | Dec 16, 2027 | 42 |
| First Semester Total | — | — | — | 77 |
| Second Semester | 3rd Nine Weeks | Jan 4, 2028 | Mar 10, 2028 | 46 |
| Second Semester | 4th Nine Weeks | Mar 21, 2028 | May 25, 2028 | 47 |
| Second Semester Total | — | — | — | 93 |
| Full Year | — | — | — | 170 |
Month-by-Month Breakdown 2027-2028
| Month | Student Days (counted) | Key Dates |
|---|---|---|
| August 2027 | 10 | Staff Dev / Prep Aug 9–17; First day Aug 18 |
| September 2027 | 20 | Labor Day Sep 6; Staff Dev Sep 20 |
| October 2027 | 19 | Q1 ends Oct 7; Conference Day Oct 8; YOU Day / Indigenous Peoples’ Day Oct 11; Q2 begins Oct 12 |
| November 2027 | 16 | Staff Dev Nov 1; Fall Break Nov 22–26 |
| December 2027 | 12 | Last day of 1st semester Dec 16; Teacher Work Day Dec 17; Winter Break Dec 20–31 |
| January 2028 | 19 | Staff Dev Jan 3; Q3 begins Jan 4; MLK Day Jan 17 |
| February 2028 | 19 | Conference Day Feb 18; YOU Day / Presidents’ Day Feb 21 |
| March 2028 | 17 | Q3 ends Mar 10; Spring Break Mar 13–17; Staff Dev Mar 20; Q4 begins Mar 21 |
| April 2028 | 19 | Good Friday Apr 14 |
| May 2028 | 19 | Last day May 25; Teacher Work Day May 26; Memorial Day May 29 |
| June 2028 | 0 | Juneteenth Jun 19; District closed Fridays and Jun 26–30 |
| July 2028 | 0 | District closed Jul 3–7 and Fridays |
| Total | 170 | — |
District Closed Days (Summer 2028)
| Month | Dates Closed |
|---|---|
| June 2028 | June 2, 9, 16, 23 and June 26–30 |
| July 2028 | July 3–7, 14, 21 and 28 |
Always double-check and verify the calendar on the official Round Rock ISD website before you book travel or childcare. Districts can amend calendars during the year.
Download the Round Rock ISD School Calendar 27-28 Printable PDF
Want a copy for the fridge? The Round Rock ISD School Calendar 27-28 printable version is posted on the district’s Calendars page. It comes in English and Spanish.
Official download link: Round Rock ISD Calendars page (2027-2028 calendar, English/Spanish)
On the same page you can add the district calendar to Google Calendar. That way, any change the district makes shows up on your phone.
See also: Wylie ISD School Calendar 2027-2028 | Printable PDF
About Round Rock ISD Schools
Round Rock ISD is one of the biggest suburban districts in Central Texas. More than 46,000 students showed up on the first day of the 2025-26 school year. State data lists about 59 campuses: 37 elementary, 11 middle and 10 high schools.
The superintendent is Dr. Hafedh Azaiez. Career and Technical Education is a big draw. The district offers more than 100 CTE courses to over 14,000 middle and high school students. It was named a 2026 CTE District of Distinction for the second year in a row. Families can also pick from Schools of Innovation, such as arts integration and STEAM academies. The four-year graduation rate is 97.2%, well above the 90.3% state rate.
What Parents in Williamson County Should Know This Year
A few things stand out in this calendar.
First, it nearly changed. The district surveyed families about an October fall break or an earlier August start. Parents raised child care and transportation worries about both ideas. So the calendar committee built a third option: an August 18 start, the usual holidays, and a last day before Memorial Day. That is the calendar you see here.
Second, spring break is longer than it looks. The official break is March 13–17, 2028. But March 20 is a staff development day. Students are off from Saturday, March 11 through Monday, March 20. That is 10 days in a row.
Third, winter break is long for students. The last day of the first semester is Thursday, December 16. Friday, December 17 is a teacher work day, and January 3 is a staff day. Students don’t return until Tuesday, January 4, 2028. That gives kids 18 straight days at home.
Fourth, watch for four-day weekends. October 8 and 11 bracket one. February 18 and 21 bracket another. Both pair a conference day with a holiday. Plan child care early.
Finally, state testing is changing. Texas replaces STAAR with the new Student Success Tool (SST) in 2027-28. The last STAAR end-of-course round for most students is December 6–17, 2027. That overlaps the final week of the fall semester.
How Round Rock ISD Compares to Neighboring Districts
Most neighbors have not finalized 2027-28 yet. Leander ISD has only a draft, and Austin ISD formed its 2027-28 calendar task force in spring 2026. So the best comparison is this year’s pattern. For 2026-27, Leander ISD and Pflugerville ISD both started on August 12, 2026. Round Rock ISD started a week later, on August 19. That later start carries into 2027-28 with the August 18 opening. Among Central Texas districts that have approved 2027-28, Comal ISD matches Round Rock almost exactly on Thanksgiving week (November 22–26) and winter break (December 20–31). Comal ISD’s spring break is a week earlier, March 6–10, 2028.
See also: How to Plan a Family Vacation Around School Breaks (Without Conflicts)
Planning a Family Trip? Best Times to Travel in Williamson County
Here is how the breaks stack up for students, counting weekends.
| Break | Student Days Off (with weekends) | Why It Works |
|---|---|---|
| Winter Break | Dec 17, 2027 – Jan 3, 2028 (18 days) | Longest window; best for long-distance or international trips |
| Spring Break | Mar 11 – Mar 20, 2028 (10 days) | Extra staff day on Mar 20 adds a bonus Monday |
| Fall / Thanksgiving Break | Nov 20 – Nov 28, 2027 (9 days) | Full week; great for family visits |
| October Long Weekend | Oct 8 – Oct 11, 2027 (4 days) | Quick road trip |
| February Long Weekend | Feb 18 – Feb 21, 2028 (4 days) | Short getaway |
Tip: Book winter break travel early. Fares climb fast around Christmas and New Year’s. For spring break, the bonus Monday lets you fly home on Sunday and still rest before school.
School Closings History in Williamson County
Winter weather does close Round Rock ISD schools. The district closed for icy roads on January 16, 2018, February 3–4 and February 24, 2022, and January 21, 2025. The biggest recent closure was the ice storm of January 31 to February 3, 2023, which shut campuses for four days. The dates published for 2027-28 do not list any bad-weather make-up days, so watch district alerts if a storm hits.
FAQs
Q: When does school start in Round Rock ISD for 2027–2028?
A: The Round Rock ISD School Calendar 27-28 first day of school is Wednesday, August 18, 2027. Teachers report earlier for staff development from August 9–17. The first week is only three days long, which helps younger kids ease in.
Q: When is the last day of school for Round Rock ISD?
A: The last day of classes is Thursday, May 25, 2028. That day also ends the second semester. Friday, May 26 is a teacher work day, so students are already on summer break.
Q: When is spring break for Round Rock ISD in 2027-2028?
A: Round Rock ISD spring break runs Monday, March 13 through Friday, March 17, 2028. March 20 is a staff development day with no students. Classes pick back up on Tuesday, March 21.
Q: How many school days does Round Rock ISD have this year?
A: We counted 170 student days on the 2027-2028 calendar: 77 in the fall semester and 93 in the spring. This is our own count, not an official district number. Texas sets school-year length in instructional minutes, so the district may report it differently.
Q: Are there any school closings or delays I should know about?
A: The calendar dates published for 2027-2028 do not list bad-weather make-up days. Closings for ice or snow are announced day by day. Check the Round Rock ISD website and district alerts whenever winter weather is in the forecast.
Final Word
Bookmark this page so the Round Rock ISD calendar 2027-2028 is always one tap away. For real-time closings, delays or calendar changes, go straight to the official Round Rock ISD website at roundrockisd.org. Spring break dates get the most searches in March, so check back then for any updates. Here’s to a smooth, well-planned school year for your family.
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.
