Castle Rock School District No. 401 serves 1,400 students across 4 schools in Washington for the 2026–2027 school year. 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 scans for Castle Rock School District No. 401. Click any image to open full-screen.
School Calendar
Download Castle Rock School District No. 401's 2026–2027 academic calendar PDF — holidays, breaks, and key dates.
About the District
Details and contact information for Castle Rock School District No. 401.
Common 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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