Events

Sep 1 Tue
- Waiver Day - No Students
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- Lady Cougar Volleyball vs. Waialua @ Kaiser 5 PM – 8:30 PM (Kaiser High School Gym, 511 Lunalilo Home Rd, Honolulu, HI 96825, USA)
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Sep 2 Wed
- B Day
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- Friends of Kaiser PTSA via Zoom 6:30 PM – 7:30 PM
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Sep 3 Thu
- A Day
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- Bowling @ K-Bay 5 PM – 8 PM (K-Bay Lanes, 1666 5th St, Kailua, HI 96734, USA)
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- Lady Cougar Volleyball vs. Waianae @ Kaiser 5 PM – 8:30 PM (Kaiser High School Gym, 511 Lunalilo Home Rd, Honolulu, HI 96825, USA)
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Sep 5 Sat
- Cross Country @ Mililani 8:30 AM – 12:30 PM (Mililani High School, 95-1200 Meheula Pkwy, Mililani, HI 96789, USA)
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- Soft Tennis vs. Kahuku & McKinley @ Kaiser 9 AM – 1 PM (Henry J. Kaiser High School, 511 Lunalilo Home Rd, Honolulu, HI 96825, USA)
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- Competitive Cheer @ Radford 3 PM – 7 PM (Radford High School, 4361 Salt Lake Blvd, Honolulu, HI 96818, USA)
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Sep 7 Mon
- Labor Day Holiday
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Sep 8 Tue
- A Day
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- Lady Cougar Volleyball vs. Anuenue @ Kaiser 5 PM – 7 PM (Kaiser High School Gym, 511 Lunalilo Home Rd, Honolulu, HI 96825, USA)
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Sep 9 Wed
- B Day
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- Softball vs. Kalāheo @ Kaiser 3 PM – 5:30 PM (Kaiser High School Baseball & Softball Field, 511 Lunalilo Home Rd, Honolulu, HI 96825, USA)
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Sep 10 Thu
- A Day
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- Bowling @ K-Bay 5 PM – 8 PM (K-Bay Lanes, 1666 5th St, Kailua, HI 96734, USA)
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- Lady Cougar Volleyball @ Kalani 5 PM – 8:30 PM (Kalani High School, 4680 Kalanianaʻole Hwy, Honolulu, HI 96821, USA)
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Sep 11 Fri
- B Day
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Sep 12 Sat
- Cross Country @ Castle 8:30 AM – 12 PM (James B. Castle High School, 45-386 Kaneohe Bay Dr, Kaneohe, HI 96744, USA)
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- Competitive Cheer @ Kalani 10 AM – 3 PM (Kalani High School, 4680 Kalanianaʻole Hwy, Honolulu, HI 96821, USA)
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- Soft Tennis vs. Moanalua @ Kaiser 2 PM – 5 PM (Henry J. Kaiser High School, 511 Lunalilo Home Rd, Honolulu, HI 96825, USA)
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- Softball vs. Castle @ Kaiser 2 PM – 3:30 PM (Kaiser High School Baseball & Softball Field, 511 Lunalilo Home Rd, Honolulu, HI 96825, USA)
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- Football vs. Kalāheo @ Kailua 7 PM – 8:30 PM (Kailua High School, 451 Ulumanu Dr, Kailua, HI 96734, USA)
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Sep 14 Mon
- A day
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- HOCO 2026 begins! 💙💛
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Sep 15 Tue
- B Day
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- Lady Cougar Volleyball vs. Kaimukī @ Kaiser 5 PM – 8:30 PM (Kaiser High School Gym, 511 Lunalilo Home Rd, Honolulu, HI 96825, USA)
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Sep 16 Wed
- A Day - HOCO Fair
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- Air Rifle vs. Roosevelt @ Kaiser 3 PM – 6 PM (Kaiser High School Gym, 511 Lunalilo Home Rd, Honolulu, HI 96825, USA)
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- Softball @ Kalani @ Kīlauea Dist Park 3 PM – 4:30 PM (Kīlauea District Park, 4109 Kilauea Ave, Honolulu, HI 96816, USA)
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Sep 17 Thu
- B Day
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- Bowling @ K-Bay 5 PM – 8 PM (K-Bay Lanes, 1666 5th St, Kailua, HI 96734, USA)
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- Lady Cougar Volleyball @ McKinley 5 PM – 8 PM (McKinley High School Gymnasium, 1039 S King St, Honolulu, HI 96814, USA)
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Sep 18 Fri
- A Day
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- HOCO Assembly & Game
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- Football vs. Kaimukī @ Kaiser *HOCO* 7 PM – 8:30 PM (Henry J. Kaiser High School, 511 Lunalilo Home Rd, Honolulu, HI 96825, USA)
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Sep 19 Sat
- HOCO Dance
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- Cross Country @ Kalani 8:30 AM – 12 PM (Kalani High School)
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- Air Rifle vs. Kalani 10 AM – 1 PM (Kaiser High School Gym, 511 Lunalilo Home Rd, Honolulu, HI 96825, USA)
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- Competitive Cheer @ Kalāheo 10 AM – 3 PM (Kalāheo High School, 730 Iliaina St, Kailua, HI 96734, USA)
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- Soft Tennis vs. Roosevelt & Kailua 2 PM – 5:30 PM (Henry J. Kaiser High School, 511 Lunalilo Home Rd, Honolulu, HI 96825, USA)
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- Softball @ Kailua 3 PM – 4:30 PM (Kailua High School)
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Sep 21 Mon
- Waiver Day #2 - No Students
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Sep 22 Tue
- B Day
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- Lady Cougar Volleyball vs. Aiea @ Kaiser 5 PM – 8:30 PM (Kaiser High School Gym, 511 Lunalilo Home Rd, Honolulu, HI 96825, USA)
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Sep 23 Wed
- A Day
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- Air Rifle vs. Kailua @ Kaiser 3 PM – 6 PM (Kaiser High School Gym, 511 Lunalilo Home Rd, Honolulu, HI 96825, USA)
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- Softball @ Moanalua 3 PM – 4:30 PM (Moanalua High School, 2825 Ala Ilima St, Honolulu, HI 96818, USA)
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Sep 24 Thu
- B Day
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- Bowling @ K-Bay 5 PM – 8 PM (K-Bay Lanes, 1666 5th St, Kailua, HI 96734, USA)
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- Lady Cougar Volleyball @ Radford 5 PM – 8:30 PM (Radford High School, 4361 Salt Lake Blvd, Honolulu, HI 96818, USA)
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Sep 25 Fri
- A Day
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- Football @ Pearl City 7 PM – 8:30 PM (Pearl City High School, 2100 Hookiekie St, Pearl City, HI 96782, USA)
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Sep 26 Sat
- Cross Country @ Pearl City 8 AM – 12 PM (Pearl City High School, 2100 Hookiekie St, Pearl City, HI 96782, USA)
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- Air Rifle vs. Kahuku @ Kaiser 10 AM – 1 PM (Kaiser High School Gym, 511 Lunalilo Home Rd, Honolulu, HI 96825, USA)
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- Competitive Cheer @ Campbell 10 AM – 3 PM (James Campbell High School Gym, 884 Fort Weaver Rd, Ewa Beach, HI 96706, USA)
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Sep 28 Mon
- B Day
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Sep 29 Tue
- A Day
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- Lady Cougar Volleyball vs. Kamaile @ Kaiser *Senior Game* 5 PM – 8:30 PM (Kaiser High School Gym, 511 Lunalilo Home Rd, Honolulu, HI 96825, USA)
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Sep 30 Wed
- B Day
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- Air Rifle vs. Moanalua @ Kaiser 3 PM – 6 PM (Kaiser High School Gym, 511 Lunalilo Home Rd, Honolulu, HI 96825, USA)
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- Softball @ Kalāheo 3 PM – 4:30 PM (Kalāheo High School, 730 Iliaina St, Kailua, HI 96734, USA)
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Events in September 2026
Mo	Tu	We	Th	Fr	Sa
One event •	2 events ••	2 events ••	3 events •••		3 events •••
One event •	2 events ••	2 events ••	3 events •••	One event •	5 events •••
2 events ••	2 events ••	3 events •••	3 events •••	3 events •••	6 events •••
One event •	2 events ••	3 events •••	3 events •••	2 events ••	3 events •••
One event •	2 events ••	3 events •••	3 events •••	2 events ••	3 events •••

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