The first day of school in CIMARRON is Tue, Aug 11, 2026, and the last day of school is Thu, May 13, 2027, according to the district's published calendar. Scheduled breaks include FALL BREAK CONFERENCES STAFF DEVELOPMENT (Thu, Oct 15, 2026 to Fri, Oct 16, 2026), FALL BREAK (Thu, Oct 15, 2026 to Mon, Oct 19, 2026), THANKSGIVING BREAK (Mon, Nov 23, 2026 to Sun, Nov 29, 2026), CHRISTMAS BREAK (Mon, Dec 21, 2026 to Mon, Jan 4, 2027), WINTER BREAK NO SCHOOL (Mon, Dec 21, 2026 to Fri, Jan 1, 2027), SPRING BREAK (Fri, Mar 12, 2027 to Fri, Mar 19, 2027).
- First day of school
- Tue, Aug 11, 2026
- Last day of school
- Thu, May 13, 2027
- FALL BREAK CONFERENCES STAFF DEVELOPMENT
- Thu, Oct 15, 2026 to Fri, Oct 16, 2026
- FALL BREAK
- Thu, Oct 15, 2026 to Mon, Oct 19, 2026
- THANKSGIVING BREAK
- Mon, Nov 23, 2026 to Sun, Nov 29, 2026
- CHRISTMAS BREAK
- Mon, Dec 21, 2026 to Mon, Jan 4, 2027
- WINTER BREAK NO SCHOOL
- Mon, Dec 21, 2026 to Fri, Jan 1, 2027
- SPRING BREAK
- Fri, Mar 12, 2027 to Fri, Mar 19, 2027
- 7th FOOTBALL 7JV 5:30/ 7V 7:00 CENTRAL HOME@MEMORIAL
- Tue, Sep 1, 2026
- 8Th FOOTBALL 8JV 5:30/ 8JV 7:00 CENTRAL HOME@MEMORIAL
- Thu, Sep 3, 2026
- NO SCHOOL
- Mon, Sep 7, 2026
- HOLIDAY LABOR DAY NO SCHOOL
- Mon, Sep 7, 2026
- 7th FOOTBALL 7JV 5:30/ 7V 7:00 SEQUOYAH AWAY@MEMORIAL
- Tue, Sep 8, 2026
- CROSS COUNTRY Clay Tartar Memorial Invitational Guthrie HS
- Thu, Sep 10, 2026
- 8Th FOOTBALL 8JV 5:30/ 8JV 7:00 SEQUOYAH AWAY@MEMORIAL
- Thu, Sep 10, 2026
- 7th FOOTBALL 7JV 5:30/ 7V 7:00 CHEYENE AWAY@MEMORIAL
- Tue, Sep 15, 2026
- 8Th FOOTBALL 8JV 5:30/ 8JV 7:00 CHEYENNE AWAY@MEMORIAL
- Thu, Sep 17, 2026
- (NO SCHOOL) Professional Development (NO SCHOOL)
- Mon, Sep 21, 2026