Mundelein Cons HSD 120 school calendar 2026–27 and 2027–28
2026–27 school year
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First day of schoolTue, Sep 8, 2026District
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No SchoolMon, Sep 21, 2026District
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Federal Holiday - No SchoolMon, Oct 12, 2026District
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Parent Teacher Conferences - Day - No Student AttendanceTue, Nov 24, 2026District
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Thanksgiving HolidayWed, Nov 25 – Sun, Nov 29, 2026District5 days off
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Winter BreakMon, Dec 21, 2026 – Sun, Jan 3, 2027District14 days off
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Federal Holiday - No SchoolMon, Jan 18, 2027District
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Teacher Institute Day - No SchoolMon, Feb 1, 2027District
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Teacher Institute Day - No SchoolFri, Feb 12, 2027District
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Federal Holiday - No SchoolMon, Feb 15, 2027District
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Spring BreakMon, Mar 22 – Sun, Mar 28, 2027District7 days off
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Federal Holiday - No SchoolMon, May 31, 2027District
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Last day of schoolTue, Jun 15, 2027District
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Summer breakWed, Jun 16 – Mon, Sep 6, 2027District83 days off
2027–28 school year
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Teacher Institute Day - No SchoolThu, Sep 2, 2027District
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Teacher Institute Day - No SchoolFri, Sep 3, 2027District
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Federal Holiday - No SchoolMon, Sep 6, 2027District
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First day of schoolTue, Sep 7, 2027District
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Federal Holiday - No SchoolMon, Oct 11, 2027District
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Thanksgiving Holiday - No SchoolWed, Nov 24 – Sun, Nov 28, 2027District5 days off
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Winter BreakMon, Dec 20, 2027 – Sun, Jan 2, 2028District14 days off
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Federal Holiday - No SchoolMon, Jan 17, 2028District
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Teacher Institute Day - No SchoolMon, Jan 31, 2028District
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Teacher Institute Day - No SchoolFri, Feb 18, 2028District
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Federal Holiday - No SchoolMon, Feb 21, 2028District
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Spring BreakMon, Mar 27 – Sun, Apr 2, 2028District7 days off
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No SchoolFri, Apr 14, 2028District
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Federal Holiday - No SchoolMon, May 29, 2028District
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Last day of schoolTue, Jun 13, 2028District
Where these dates come from: the district’s published calendar. Subscribe on your school and your calendar updates itself when the district publishes changes or next year’s dates. Spotted a mistake? Tell us.
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Schools in the Mundelein Cons HSD 120 district
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Questions parents ask
When does school start in Mundelein Cons HSD 120 for 2026–27?
The first day of school for the 2026–27 school year is Tue, Sep 8, 2026, per the district’s published calendar. Charter and private schools in the area can set their own start dates.
When is spring break in Mundelein Cons HSD 120 in 2027?
Spring break runs Mon, Mar 22, 2027 through Sun, Mar 28, 2027, inclusive. Students return on the next school day.
When is the last day of school in Mundelein Cons HSD 120 for 2026–27?
The last day of the 2026–27 school year is Tue, Jun 15, 2027.
Do all Mundelein Cons HSD 120 schools follow this calendar?
District-run public schools follow it, including the single no-school days the district sets. Charter and private schools set their own calendars, so if your school is one of those, check with the school directly before booking anything.
How do I get these dates in my calendar?
Find your school with the school finder and subscribe to its calendar, free. The dates land in Apple, Google or Outlook calendars and keep themselves up to date: next year’s dates and any changes appear on their own.