This is a list of future 2021 Calendar events. It does get added to over the year as further activities are confirmed.
| ESOL Shared Lunch | Tue, 9 Mar |
| Kapa Haka 7.45 - 8.30 | Wed, 10 Mar |
| BOT Meeting | Mon, 15 Mar |
| Cowley Exploration Day | Wed, 17 Mar |
| Kapa Haka 7.45 - 8.30 | Wed, 17 Mar |
| School Assembly - 1.50 | Fri, 19 Mar |
| Eastern Zones - Swimming | Mon, 22 Mar |
| Cowley Team - Mangere Mountain Education Centre | Mon, 22 Mar |
| Cowley Team - Mangere Mountain | Tue, 23 Mar |
| Bay Suburbs - Swimming | Wed, 24 Mar |
| Cowley Team - Mangere Mountain | Wed, 24 Mar |
| Kapa Haka 7.45 - 8.30 | Wed, 24 Mar |
| Motat Trip Years4/5 rms 10/11/13/14 | Thu, 25 Mar |
| PTA Fun Run - Madills Farm | Fri, 26 Mar |
| Motat Trip Years4/5 rms 9/15/12 | Tue, 30 Mar |
| Kapa Haka 7.45 - 8.30 | Wed, 31 Mar |
| Nanogirl Science Assembly | Wed, 31 Mar |
| Teacher Only Day | Thu, 1 Apr |
| PTA Meeting | Mon, 5 Apr |
| Kapa Haka 7.45 - 8.30 | Wed, 7 Apr |
| Cowley/Hillary Swimming Lessons | Wed, 7 Apr - Fri, 9 Apr |
| BOT Meeting | Mon, 12 Apr |
| Cowley/Hillary Swimming Lessons | Mon, 12 Apr - Fri, 16 Apr |
| Kapa Haka 7.45 - 8.30 | Wed, 14 Apr |
| Year 7/8 Immunisation | Thu, 15 Apr |
| PTA AGM Meeting | Mon, 3 May |
| Working Bee | Sun, 9 May |
| Bay Suburbs - Orienteering | Tue, 11 May |
| Yrs6-8 Writers Festival - Aotea Centre | Tue, 11 May |
| Eastern Zones - Orienteering | Tue, 11 May |
| BOT Meeting | Mon, 17 May |
| Year 6 Camp | Tue, 18 May - Fri, 21 May |
| Senior Kids Lit Competition | Fri, 21 May |
| Eastern Zones - Girls Football | Wed, 26 May |
| Eastern Zones - Y7 Boys Football | Tue, 1 Jun |
| Quiz-a-thon Day | Wed, 2 Jun |
| Eastern Zones - Y8 Boys Football | Thu, 3 Jun |
| Greats and Grans | Fri, 4 Jun |
| PTA Meeting | Mon, 7 Jun |
| Bay Suburbs - Football | Wed, 9 Jun |
| Trivia Night | Fri, 18 Jun |
| BOT Meeting | Mon, 21 Jun |
| Eastern Zones - Hockey | Mon, 28 Jun |
| Reports Home | Fri, 2 Jul |
| PTA Meeting | Mon, 5 Jul |
| Bay Suburbs - Netball | Wed, 7 Jul |
| Calendar Art | Mon, 2 Aug - Fri, 6 Aug |
| Eastern Zones - Netball | Tue, 3 Aug |
| Band Showcase evening | Tue, 10 Aug |
| BOT Meeting | Mon, 16 Aug |
| Eastern Zones - Cross Country | Mon, 23 Aug |
| Bay Suburbs - Cross Country | Mon, 23 Aug |
| Blokes Breakfast | Fri, 27 Aug |
| Working Bee | Sun, 29 Aug |
| Eastern Zones - Girls Basketball | Tue, 31 Aug |
| Eastern Zones - Boys Basketball | Wed, 1 Sep |
| Kings Honours Band Festival | Thu, 2 Sep - Fri, 3 Sep |
| Anchor AIMS Games | Sat, 4 Sep - Fri, 10 Sep |
| PTA Meeting | Mon, 6 Sep |
| Centennial School Celebrations | Fri, 10 Sep |
| Centennial Gala Dinner | Sat, 11 Sep |
| Centennial Cookbook launch | Sat, 11 Sep |
| Art Gallery Open Day | Sat, 11 Sep |
| Centennial School Community Celebration and Open Day | Sat, 11 Sep |
| Bay Suburbs - Girls Basketball | Tue, 14 Sep |
| Bay Suburbs - Boys Basketball | Thu, 16 Sep |
| BOT Meeting | Mon, 20 Sep |
| Bay Suburbs - Hockey | Thu, 30 Sep |
| BOT Meeting | Mon, 18 Oct |
| Calendar Art | Mon, 18 Oct - Fri, 22 Oct |
| Kiri Swimming Lessons | Mon, 18 Oct - Fri, 22 Oct |
| Kiri Swimming Lessons | Wed, 27 Oct - Fri, 29 Oct |
| Yr4 Sleepover | Thu, 28 Oct |
| PTA Meeting | Mon, 1 Nov |
| Celebrating the Arts evening | Wed, 3 Nov |
| Eastern Zones - Touch Rugby | Tue, 9 Nov |
| BOT Meeting | Mon, 15 Nov |
| Year 5 Camp | Mon, 15 Nov - Tue, 16 Nov |
| Bay Suburbs - Touch | Tue, 16 Nov |
| Jolly Holly Kohi Xmas Family Picnic | Sun, 21 Nov |
| Year 7/8 Camp | Mon, 22 Nov - Fri, 26 Nov |
| Bay Suburbs - Athletics | Mon, 22 Nov |
| Eastern Zones - Athletics | Thu, 25 Nov |
| BOT Meeting | Mon, 13 Dec |
| Reports go Home | Thu, 16 Dec |