For the 2026–2027 school year, the district serves 1,400 students across 4 schools in Washington. Classes begin August 31, 2026 and end June 17, 2027, with 180 instructional days planned. All dates listed below are sourced from the district's official publications. Verify with Castle Rock School District No. 401 before scheduling around them.
Visual Calendar
Official Calendar Images
Official calendar scans for Castle Rock School District No. 401. Click any page to open the full-size image.
School Calendar
Interactive Calendar
Castle Rock School District No. 401's 2026–2027 academic calendar — holidays, breaks, and key dates.
Month by Month Calendar
About the District
School Information
Details and contact information for Castle Rock School District No. 401 CRSD401.
Sources and Checks
Where these dates come from
How the 2026–2027 Castle Rock School District No. 401 calendar on this page was compiled and what to re-check before you rely on it.
- ✓District publication. Dates are taken from the calendar Castle Rock School District No. 401 published for 2026–2027, shown as images on this page.
- ✓Official website. Cross-checked against crschools.org.
- ✓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 Castle Rock School District No. 401 before booking around a date.
Common Questions
Frequently Asked Questions
Castle Rock School District No. 401 Calendar 2026–2027 — important dates and answers.
The first day of school for students in Castle Rock School District No. 401 is August 31, 2026.
The last day of school for students in Castle Rock School District No. 401 is June 17, 2027.
Castle Rock School District No. 401 has 180 instructional days in the 2026-2027 school year.
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Other Washington school district calendars — recently added or updated.