Rib Cook-Off Details Click Here Future Shamrock Info Click Here Information & Schedules Click Here Yuma Catholic Difference Click here to find out what sets Yuma Catholic apart. Shamrock Calendar View All [ DEC ] 2 Annual Rib Cook-Off [ DEC ] 6 Final Review Week [ DEC ] 7 Final Review Week [ DEC ] 8 Final Review Week [ DEC ] 8 UofA Rep in College Prep ... [ DEC ] 8 Dress Down Day - White/Si... [ DEC ] 11 Final Exam Week [ DEC ] 11 Science Fair 1:30-3:30 [ DEC ] 12 Final Exam Week [ DEC ] 13 Final Exam Week [ DEC ] 14 Final Exam Week [ DEC ] 15 Final Exam Week News & Announcements View All 2022-2023 Annual Report The Rock Newsletter October 2023 The Rock Newsletter September 2023 Rachel Determan Memorial Rib Cook-Off 2023