For the 2026–2027 school year, the district serves 1,600 students across 5 schools in Iowa. Classes begin August 24, 2026 and end May 21, 2027, with 180 instructional days planned. All dates listed below are sourced from the district's official publications. Verify with Humboldt & Twin Rivers Community School Districts before scheduling around them.
Visual Calendar
Official Calendar Images
Official calendar scans for Humboldt & Twin Rivers Community School Districts. Click any page to open the full-size image.
School Calendar
Interactive Calendar
Humboldt & Twin Rivers Community School Districts's 2026–2027 academic calendar — holidays, breaks, and key dates.
Month by Month Calendar
About the District
School Information
Details and contact information for Humboldt & Twin Rivers Community School Districts HCSD.
Sources and Checks
Where these dates come from
How the 2026–2027 Humboldt & Twin Rivers Community School Districts calendar on this page was compiled and what to re-check before you rely on it.
- ✓District publication. Dates are taken from the calendar Humboldt & Twin Rivers Community School Districts published for 2026–2027, shown as images on this page.
- ✓Official website. Cross-checked against humboldt.k12.ia.us.
- ✓Board-approved version is used where the district marks one.
- ✓First and last day match the published calendar.
- ✓Breaks and holidays are listed with their full date ranges.
- ✓Teacher / no-school days are included where the district lists them.
- ✓Changes happen. Districts amend calendars mid-year — confirm with Humboldt & Twin Rivers Community School Districts before booking around a date.
Common Questions
Frequently Asked Questions
Humboldt & Twin Rivers Community School Districts Calendar 2026–2027 — important dates and answers.
The first day of school for K-12 students in Humboldt & Twin Rivers Community School Districts is August 24, 2026. Preschool begins on August 27, 2026.
The Spring Break (Holiday Break) is observed on March 25 and March 29, 2027. These are designated no school days on the district calendar.
Christmas Break begins on December 23, 2026 and continues through January 1, 2027.
Winter Break is scheduled from December 23, 2026, through January 1, 2027. Students return to school on January 5, 2027.
Thanksgiving Break is scheduled for November 25-27, 2026. There will be no school during these dates.
The last day of school for students is May 21, 2027. It is also a 2-hour early dismissal and marks the end of the fourth quarter.
The student school year concludes on May 21, 2027. Staff Development Day follows on May 24, 2027.
Labor Day is observed on September 7, 2026. There is no school on this date.
PK-12 Conferences with a 2-hour early dismissal are scheduled for October 19 & 22, 2026 and February 16 & 18, 2027.
Full-day Staff Development (No School) is scheduled for October 16, 2026, January 4, 2027, February 12, 2027, and May 24, 2027.
Graduation is scheduled for May 16, 2027.
Students return to school on January 5, 2027, following Winter Break and the Staff Development Day on January 4.
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