- School starts Wednesday, Aug. 19, 2026 for grades 1-12 (Thursday, Aug. 20, 2026 for kindergarten) and ends Thursday, May 27, 2027, an early release day, as planned. It can fall anywhere from Thursday, May 27 to Friday, June 4: May 27 if no emergency days are used, or as late as Friday, June 4 if all five emergency days are used.
- Thanksgiving break: Nov. 25 to 27. Students are out Saturday, Nov. 21 to Sunday, Nov. 29, back Monday, Nov. 30.
- Winter break: Dec. 21 to Jan. 4. Students are out Saturday, Dec. 19 to Monday, Jan. 4, back Tuesday, Jan. 5.
- Spring break: March 29 to April 2. Students are out Friday, March 26 to Sunday, April 4, back Monday, April 5.
- Six early release days for every school. Details below.
The District 158 2026-27 calendar
This is the district's own calendar, as District 158 publishes it. Tap it to open the full-size image.
Add the District 158 calendar to your phone
Pick a file. Each one is an all-day event per day off or half day, and a break is one event across all its days.
On an iPhone
Tap a file above, then tap Add All. The dates go into the calendar you choose.
In Google Calendar
On a computer, open Google Calendar, then Settings, then Import & export. Choose the file and the calendar to add it to. The dates show up on your Android phone too.
In Outlook
Open the downloaded file, or in Outlook on the web go to Add calendar, then Upload from file.
These files are a copy of the calendar today. If the district changes a date, download the file again.
District 158 vacations and holidays, 2026-27
Every day with no school for students, from the first day to the last: 11 entries and 28 weekdays in all.
| Day off | Dates | Days of the week | School days off |
|---|---|---|---|
| Labor Day Holiday | Sept. 7 | Mon | 1 |
| Columbus Day Holiday | Oct. 12 | Mon | 1 |
| Parent-teacher conferences (no school) Other | Nov. 23 to 24 | Mon to Tue | 2 |
| Thanksgiving break Break | Nov. 25 to 27 | Wed to Fri | 3 |
| Winter break Break | Dec. 21 to Jan. 4 | Mon to Mon | 11 |
| Martin Luther King Jr. Day Holiday | Jan. 18 | Mon | 1 |
| No school (non-attendance day) Other | Feb. 12 | Fri | 1 |
| Presidents Day Holiday | Feb. 15 | Mon | 1 |
| No school (non-attendance day) Other | March 26 | Fri | 1 |
| Spring break Break | March 29 to April 2 | Mon to Fri | 5 |
| Institute day (no school for students) Staff day | April 23 | Fri | 1 |
District 158 early release days
Six early release days in all.
| Date | Day | What | Dismissal | Who |
|---|---|---|---|---|
| Sept. 22 | Tue | SIP early release day | 12:30 p.m. middle and high, 1:30 p.m. elementary (Martin 12:55 p.m.) | All schools |
| Oct. 23 | Fri | SIP early release day | 12:30 p.m. middle and high, 1:30 p.m. elementary (Martin 12:55 p.m.) | All schools |
| Dec. 18 | Fri | SIP early release day | 12:30 p.m. middle and high, 1:30 p.m. elementary (Martin 12:55 p.m.) | All schools |
| Feb. 11 | Thu | SIP early release day | 12:30 p.m. middle and high, 1:30 p.m. elementary (Martin 12:55 p.m.) | All schools |
| March 2 | Tue | SIP early release day | 12:30 p.m. middle and high, 1:30 p.m. elementary (Martin 12:55 p.m.) | All schools |
| May 27 | Thu | SIP early release day (last day of school) | 12:30 p.m. middle and high, 1:30 p.m. elementary (Martin 12:55 p.m.) | All schools |
Calendar notes: what to plan around
Long weekends and breaks
Every stretch of three or more days with no school, counting weekends. A half day next to a weekend adds half a day.
- 3-day weekend: Saturday, Sept. 5 to Monday, Sept. 7. Labor Day. Back Tuesday, Sept. 8.
- 3-day weekend: Saturday, Oct. 10 to Monday, Oct. 12. Columbus Day. Back Tuesday, Oct. 13.
- 2.5-day weekend: Friday, Oct. 23 at early dismissal to Sunday, Oct. 25. SIP early release day. Back Monday, Oct. 26.
- 9 days off in a row: Saturday, Nov. 21 to Sunday, Nov. 29. Parent-teacher conferences (no school) and Thanksgiving break. Back Monday, Nov. 30.
- 17.5 days off in a row: Friday, Dec. 18 at early dismissal to Monday, Jan. 4. SIP early release day and winter break. Back Tuesday, Jan. 5.
- 3-day weekend: Saturday, Jan. 16 to Monday, Jan. 18. Martin Luther King Jr. Day. Back Tuesday, Jan. 19.
- 4.5-day weekend: Thursday, Feb. 11 at early dismissal to Monday, Feb. 15. SIP early release day, No school (non-attendance day) and Presidents Day. Back Tuesday, Feb. 16.
- 10 days off in a row: Friday, March 26 to Sunday, April 4. No school (non-attendance day) and spring break. Back Monday, April 5.
- 3-day weekend: Friday, April 23 to Sunday, April 25. Institute day (no school for students). Back Monday, April 26.
One early release on a Friday or Monday makes a 2.5-day weekend.
Weeks with fewer than five school days
Ten weeks have fewer than five school days, and four weeks have none at all.
| Week of | School days | Why |
|---|---|---|
| Aug. 17 | 3 | Before the first day |
| Sept. 7 | 4 | Labor Day |
| Oct. 12 | 4 | Columbus Day |
| Nov. 23 | 0 | Parent-teacher conferences (no school) and Thanksgiving break |
| Dec. 21 | 0 | Winter break |
| Dec. 28 | 0 | Winter break |
| Jan. 4 | 4 | Winter break |
| Jan. 18 | 4 | Martin Luther King Jr. Day |
| Feb. 8 | 4 | No school (non-attendance day) |
| Feb. 15 | 4 | Presidents Day |
| March 22 | 4 | No school (non-attendance day) |
| March 29 | 0 | Spring break |
| April 19 | 4 | Institute day (no school for students) |
| May 24 | 4 | After the last day |
Teacher workdays: no school for students
One of the days off is a staff day. Teachers work; students stay home. Plan child care as you would for a holiday.
- Friday, April 23: Institute day (no school for students)
Makeup days
The calendar dates no makeup days. Up to five emergency days are added at the end of the year: the last day is May 27 if none are used and June 4 if all five are. If school closes for weather, the district announces how the day is made up.
Also worth knowing
- School is open on a federal holiday: Veterans Day (Wednesday, Nov. 11). Banks, post offices and many offices close; school does not.
- The District 158 calendar prints no testing dates.
- The last day can move. May 27 if no emergency days are used, or as late as Friday, June 4 if all five emergency days are used. The planned last day is Thursday, May 27; it can fall from Thursday, May 27 to Friday, June 4.
- After the last day, the calendar still shows Memorial Day (May 31). Students are already out.
First and last day of school
The first day of school is Wednesday, Aug. 19, 2026 for grades 1-12 and Thursday, Aug. 20, 2026 for kindergarten. The last day is Thursday, May 27, 2027, with early dismissal, as planned. It can fall anywhere from Thursday, May 27 to Friday, June 4: May 27 if no emergency days are used, or as late as Friday, June 4 if all five emergency days are used.
Teachers start sooner. Staff days before school run Aug. 17 to 18.
The district prints 174 instructional days across the elementary trimesters. Our count of the calendar matches.
Grading periods
Elementary trimesters
| Period | Dates | School days |
|---|---|---|
| 1st trimester | Aug. 19 to Nov. 13 | 61 |
| 2nd trimester | Nov. 16 to Feb. 26 | 56 |
| 3rd trimester | March 1 to May 27 | 57 |
Middle school quarters
| Period | Dates | School days |
|---|---|---|
| 1st quarter | Aug. 19 to Oct. 16 | 41 |
| 2nd quarter | Oct. 19 to Dec. 18 | 40 |
| 3rd quarter | Jan. 5 to March 12 | 46 |
| 4th quarter | March 15 to May 27 | 47 |
High school semesters
| Period | Dates | School days |
|---|---|---|
| 1st semester | Aug. 19 to Dec. 18 | 81 |
| 2nd semester | Jan. 5 to May 27 | 93 |
What the district notes
- Grades 1-12 start Wednesday, Aug. 19, kindergarten Thursday, Aug. 20 and early childhood (ECC) Friday, Aug. 21.
- Veterans Day (Wednesday, Nov. 11) and Casimir Pulaski Day (Monday, March 1) are waived holidays: school is in session.
- SIP early release days: middle and high schools dismiss at 12:30 p.m., Martin Elementary at 12:55 p.m. and the other elementary schools at 1:30 p.m.
- Parent-teacher conferences are Monday, Nov. 23 (9 a.m. to 8 p.m.) and Tuesday, Nov. 24 (7 a.m. to noon), with no school both days, so Thanksgiving week is a full week off.
- Early childhood (ECC) parent education days are Sept. 22, Oct. 23, Dec. 18, Feb. 11, March 1-2 (ECC conferences, no school for ECC students), April 22 (no school for ECC students) and May 27.
- Huntley High School graduation is Saturday, May 22. Eighth grade promotion is May 26 at Marlowe Middle School and May 27 at Heineman Middle School.
Common questions
When does District 158 start in 2026?
The first day of school for Huntley Community School District 158 is Wednesday, Aug. 19, 2026 for grades 1-12, and Thursday, Aug. 20, 2026 for kindergarten.
When is the last day of school for District 158 in 2027?
The last day for students is Thursday, May 27, 2027. It is an early release day, as planned. It can fall from Thursday, May 27 to Friday, June 4: May 27 if no emergency days are used, or as late as Friday, June 4 if all five emergency days are used.
When is winter break for District 158?
Winter break runs Monday, Dec. 21 to Monday, Jan. 4. Counting weekends, students are out Saturday, Dec. 19 to Monday, Jan. 4 and go back Tuesday, Jan. 5.
When is spring break for District 158?
Spring break runs Monday, March 29 to Friday, April 2. Counting weekends and the days next to it, students are out Friday, March 26 to Sunday, April 4 and go back Monday, April 5.
When is Thanksgiving break for District 158?
Thanksgiving break runs Wednesday, Nov. 25 to Friday, Nov. 27. Counting weekends and the days next to it, students are out Saturday, Nov. 21 to Sunday, Nov. 29 and go back Monday, Nov. 30.
Does District 158 have early release days in 2026-27?
Yes. Tuesday, Sept. 22 (12:30 p.m. middle and high, 1:30 p.m. elementary (Martin 12:55 p.m.)), Friday, Oct. 23 (12:30 p.m. middle and high, 1:30 p.m. elementary (Martin 12:55 p.m.)), Friday, Dec. 18 (12:30 p.m. middle and high, 1:30 p.m. elementary (Martin 12:55 p.m.)), Thursday, Feb. 11 (12:30 p.m. middle and high, 1:30 p.m. elementary (Martin 12:55 p.m.)), Tuesday, March 2 (12:30 p.m. middle and high, 1:30 p.m. elementary (Martin 12:55 p.m.)) and Thursday, May 27 (12:30 p.m. middle and high, 1:30 p.m. elementary (Martin 12:55 p.m.)) are for every school.
How do I put the District 158 calendar on my phone?
Download one of the .ics files on this page. On an iPhone, open it and tap Add All. On Android or a computer, import it into Google Calendar or Outlook.
How we checked these dates
We read every date off the district's own calendar twice: once from the PDF's text and once from the image, cell by cell against its legend. Then we checked each one against the District 158 2026-27 Schedule of Events and the District 158 Calendars page.
Every weekday on this page matches its date. The district's printed day counts match our own count of its calendar. If the district changes its calendar, its page is the final word.
Where each date is on the district's calendar
- First day, Aug. 19: Huntley Community School District 158 2026-2027 School Calendar (PDF), page 1, list "August 19 School Starts - Grades 1-12", "August 20 School Starts - Kindergarten", "August 21 School Starts - Early Childhood". Also: Huntley Community School District 158 Schedule of Events 2026-2027 Calendar (PDF), "School Begins: August 19, 2026 (Grades 1-12), August 20, 2026 (Kindergarten), August 21, 2026 (ECC)".
- Last day, May 27: Huntley Community School District 158 2026-2027 School Calendar (PDF), page 1, May grid, 27 boxed in red and circled; list "May 27 Last Day of School - if no emergency days are used". Also: Huntley Community School District 158 Schedule of Events 2026-2027 Calendar (PDF), "Last Day of School May 27, 2027".
- When the last day can move, May 27 to June 4: Huntley Community School District 158 2026-2027 School Calendar (PDF), page 1, list "May 27 Last Day of School - if no emergency days are used", "June 4 Last Day of School - if all 5 emergency days are used".
- Institute days (no school for students), Aug. 17 to 18: Huntley Community School District 158 2026-2027 School Calendar (PDF), page 1, August grid, 17 and 18 in blue (key: No School); list "August 17 Institute Day #1 - All Staff", "August 18 Institute Day #2 - All Certified Staff". Also: Huntley Community School District 158 Schedule of Events 2026-2027 Calendar (PDF), "Institute Days - No School for Students: August 17, 2026 - All Staff, August 18, 2026 - All Certified Staff".
- Labor Day, Sept. 7: Huntley Community School District 158 2026-2027 School Calendar (PDF), page 1, September grid, 7 in gold (key: No School / Offices Closed); list "September 7 Labor Day - No School / Offices Closed". Also: Huntley Community School District 158 Schedule of Events 2026-2027 Calendar (PDF), "Labor Day - September 7, 2026".
- Columbus Day, Oct. 12: Huntley Community School District 158 2026-2027 School Calendar (PDF), page 1, October grid, 12 in gold; list "October 12 Columbus Day - No School / Offices Closed". Also: Huntley Community School District 158 Schedule of Events 2026-2027 Calendar (PDF), "Columbus Day - October 12, 2026".
- Parent-teacher conferences (no school), Nov. 23 to 24: Huntley Community School District 158 2026-2027 School Calendar (PDF), page 1, November grid, 23 and 24 in blue (key: No School); list "November 23 - 24 Parent Teacher Conferences - No School". Also: Huntley Community School District 158 Schedule of Events 2026-2027 Calendar (PDF), "Parent Teacher Conferences - No School: November 23, 2026 - 9:00 a.m. to 8:00 p.m., November 24, 2026 - 7:00 a.m. to 12:00 p.m.".
- Thanksgiving break, Nov. 25 to 27: Huntley Community School District 158 2026-2027 School Calendar (PDF), page 1, November grid, 25 to 27 in gold; list "November 25 Floating Holiday #2 (In Lieu of Veterans Day) - No School / Offices Closed", "November 26 - 27 Thanksgiving Holiday Break - No School / Offices Closed". Also: Huntley Community School District 158 Schedule of Events 2026-2027 Calendar (PDF), "Non-Attendance Days - No School: November 25, 2026 (Offices Closed)"; "Thanksgiving Holiday - November 26 and 27, 2026".
- Winter break, Dec. 21 to Jan. 4: Huntley Community School District 158 2026-2027 School Calendar (PDF), page 1, December grid, 21 to 23 and 28 to 30 in blue, 24, 25 and 31 in gold; January grid, 1 in gold and 4 in blue; list "December 21 Winter Break - No School thru January 4", "January 4 Institute Day #3 - No School". Also: Huntley Community School District 158 Schedule of Events 2026-2027 Calendar (PDF), "Winter Holiday Break - No School December 21, 2026 - January 4, 2027"; "Institute Days ... January 4, 2027".
- Martin Luther King Jr. Day, Jan. 18: Huntley Community School District 158 2026-2027 School Calendar (PDF), page 1, January grid, 18 in gold; list "January 18 Dr. Martin Luther King’s Birthday - No School / Offices Closed". Also: Huntley Community School District 158 Schedule of Events 2026-2027 Calendar (PDF), "Dr. Martin Luther King’s Birthday - January 18, 2027".
- No school (non-attendance day), Feb. 12: Huntley Community School District 158 2026-2027 School Calendar (PDF), page 1, February grid, 12 in gold; list "February 12 Non-Attendance Day - No School / Offices Closed". Also: Huntley Community School District 158 Schedule of Events 2026-2027 Calendar (PDF), "Non-Attendance Days - No School: February 12, 2027 (Offices Closed)".
- Presidents Day, Feb. 15: Huntley Community School District 158 2026-2027 School Calendar (PDF), page 1, February grid, 15 in gold; list "February 15 Presidents Day - No School / Offices Closed". Also: Huntley Community School District 158 Schedule of Events 2026-2027 Calendar (PDF), "Presidents Day - February 15, 2027".
- No school (non-attendance day), March 26: Huntley Community School District 158 2026-2027 School Calendar (PDF), page 1, March grid, 26 in gold; list "March 26 Non Attendance Day - No School / Offices Closed". Also: Huntley Community School District 158 Schedule of Events 2026-2027 Calendar (PDF), "Non-Attendance Days - No School: March 26, 2027 (Offices Closed)".
- Spring break, March 29 to April 2: Huntley Community School District 158 2026-2027 School Calendar (PDF), page 1, March grid, 29 to 31 in blue; April grid, 1 and 2 in blue; list "March 29 Spring Break - No School thru April 2". Also: Huntley Community School District 158 Schedule of Events 2026-2027 Calendar (PDF), "Spring Break - No School March 29, 2027 - April 2, 2027".
- Institute day (no school for students), April 23: Huntley Community School District 158 2026-2027 School Calendar (PDF), page 1, April grid, 23 in blue; list "April 23 Institute Day #4 - No School". Also: Huntley Community School District 158 Schedule of Events 2026-2027 Calendar (PDF), "Institute Days ... April 23, 2027".
- Memorial Day, May 31: Huntley Community School District 158 2026-2027 School Calendar (PDF), page 1, May grid, 31 in gold; list "May 31 Memorial Day - Offices Closed". Also: Huntley Community School District 158 Schedule of Events 2026-2027 Calendar (PDF), "Memorial Day - May 31, 2027".
- SIP early release day, Sept. 22: Huntley Community School District 158 2026-2027 School Calendar (PDF), page 1, September grid, 22 boxed in red; list "SIP Early Release Day*" and ECC Parent Education Day; footnote "*SIP Early Release Day - Middle & High School Dismissal at 12:30 PM; Martin Elementary Dismissal at 12:55 PM; Elementary Dismissal at 1:30 PM". Also: Huntley Community School District 158 Schedule of Events 2026-2027 Calendar (PDF), "SIP Early Release Days" list: Sep. 22.
- SIP early release day, Oct. 23: Huntley Community School District 158 2026-2027 School Calendar (PDF), page 1, October grid, 23 boxed in red; list "SIP Early Release Day*" and ECC Parent Education Day; footnote "*SIP Early Release Day - Middle & High School Dismissal at 12:30 PM; Martin Elementary Dismissal at 12:55 PM; Elementary Dismissal at 1:30 PM". Also: Huntley Community School District 158 Schedule of Events 2026-2027 Calendar (PDF), "SIP Early Release Days" list: Oct. 23.
- SIP early release day, Dec. 18: Huntley Community School District 158 2026-2027 School Calendar (PDF), page 1, December grid, 18 boxed in red; list "SIP Early Release Day*" and ECC Parent Education Day; footnote "*SIP Early Release Day - Middle & High School Dismissal at 12:30 PM; Martin Elementary Dismissal at 12:55 PM; Elementary Dismissal at 1:30 PM". Also: Huntley Community School District 158 Schedule of Events 2026-2027 Calendar (PDF), "SIP Early Release Days" list: Dec. 18.
- SIP early release day, Feb. 11: Huntley Community School District 158 2026-2027 School Calendar (PDF), page 1, February grid, 11 boxed in red; list "SIP Early Release Day*" and ECC Parent Education Day; footnote "*SIP Early Release Day - Middle & High School Dismissal at 12:30 PM; Martin Elementary Dismissal at 12:55 PM; Elementary Dismissal at 1:30 PM". Also: Huntley Community School District 158 Schedule of Events 2026-2027 Calendar (PDF), "SIP Early Release Days" list: Feb. 11.
- SIP early release day, March 2: Huntley Community School District 158 2026-2027 School Calendar (PDF), page 1, March grid, 2 boxed in red; list "SIP Early Release Day*"; footnote "*SIP Early Release Day - Middle & High School Dismissal at 12:30 PM; Martin Elementary Dismissal at 12:55 PM; Elementary Dismissal at 1:30 PM". Also: Huntley Community School District 158 Schedule of Events 2026-2027 Calendar (PDF), "SIP Early Release Days" list: Mar. 2.
- SIP early release day (last day of school), May 27: Huntley Community School District 158 2026-2027 School Calendar (PDF), page 1, May grid, 27 boxed in red; list "SIP Early Release Day*" and ECC Parent Education Day; "Last Day of School"; footnote "*SIP Early Release Day - Middle & High School Dismissal at 12:30 PM; Martin Elementary Dismissal at 12:55 PM; Elementary Dismissal at 1:30 PM". Also: Huntley Community School District 158 Schedule of Events 2026-2027 Calendar (PDF), "SIP Early Release Days" list: May. 27.
- 1st trimester (elementary trimesters): Huntley Community School District 158 2026-2027 School Calendar (PDF), page 1, list "November 13 K-5 Grade End of 1st Trimester - (61 days)".
- 2nd trimester (elementary trimesters): Huntley Community School District 158 2026-2027 School Calendar (PDF), page 1, list "February 26 K-5 Grade End of 2nd Trimester - (56 days)".
- 3rd trimester (elementary trimesters): Huntley Community School District 158 2026-2027 School Calendar (PDF), page 1, list "May 27 K-5 Grade End of 3rd Trimester - (57 days)".
- 1st quarter (middle school quarters): Huntley Community School District 158 2026-2027 School Calendar (PDF), page 1, list "October 16 6-8 Grade End of 1st Quarter - (41 days)".
- 2nd quarter (middle school quarters): Huntley Community School District 158 2026-2027 School Calendar (PDF), page 1, list "December 18 6-8 Grade End of 2nd Quarter - (40 days)".
- 3rd quarter (middle school quarters): Huntley Community School District 158 2026-2027 School Calendar (PDF), page 1, list "March 12 6-8 Grade End of 3rd Quarter - (46 days)".
- 4th quarter (middle school quarters): Huntley Community School District 158 2026-2027 School Calendar (PDF), page 1, list "May 27 6-8 Grade End of 4th Quarter - (47 days)".
- 1st semester (high school semesters): Huntley Community School District 158 2026-2027 School Calendar (PDF), page 1, list "December 18 9-12 Grade End of 1st Semester - (81 days)".
- 2nd semester (high school semesters): Huntley Community School District 158 2026-2027 School Calendar (PDF), page 1, list "May 27 9-12 End of 2nd Semester - (93 days)".