| Name Of Activity | Day Of Week | Blue Week Or Yellow Week Or Both | Term | Time | Year Group(s) | Venue | Staff In Charge |
| Amnesty+ | TBC | Both | All | 12:40 – 1:10pm | All | T8 | KEO / HKL |
| Animal club | Mon/Tues /Fri | Both | All | Monday, Tuesday and Friday (1.05pm) | 1st ONLY Monday and Friday | B2 | PKA / KEJ |
| Allergy Awareness | Thur | Both | All | 12:40 – 1:10pm | All | P3 | ZHD |
| Digital Skills Club | Fri | Yellow | All | 1:10 – 1:35pm | 1st / 2nd / 3rd / 5th | CR2 | NSC |
| Programming Club | Fri | Yellow | All | 1:10 – 1:35pm | 1st / 2nd | CR1 | SO |
| Digital Leaders | Fri | Blue | All | 1:10 – 1:35pm | All | CR1 | SO |
| Spanish Club | Fri | Both | Autumn | 12:35pm – 1:05pm | 1st / 2nd | L4 | AVC (Assistant will run) |
| Literary Magazine | Tue | Both | All | 11:10 – 11:30am | L6 / U6 | W3 | HER |
| Creative Writing | Thurs | Blue | All | 1.05 – 1.40pm | 1st / 2nd / 3rd | W2 | RVC |
| Christmas Cake Club | Mon | Both | December | 13:00 – 13:45pm | 1st | T4 | SH, |
| Ready steady bake | Wed | Blue | Autumn and Summer | 4:00 – 5:00pm | 2nd / 3rd | T5 | HFO |
| Model United Nations (Senior) | Tues | Both | All | 1:00 – 1.35pm | 4th / 5th / L6 / U6 | W6/7 | DJC |
| Model United Nations (Mini) | Weds | Both | All | 1:00 – 1.35pm | 1st / 2nd / 3rd | W6/7 | DJC |
| Mandarin | Mon | Both | All | 4:00 – 5:00pm | All | W8 | EMD |
| Introduction to Medical Society | TBC | TBC | Spring and Summer | 1:00 – 1.35pm | 5th | C5 | KLB/ARR |
| History club | Fri | Both | All terms | 1:10 – 1:35pm | 1st / 2nd / 3rd | W20 | ERL |
| SGS Historian magazine | TBC | TBC | Spring and Summer | Break or after school as needed | L6 | Sixth Form Work Room | DJS |
| SGS History podcasts | Wed | Both | Autumn, Spring and Summer term (three podcasts) | Break, lunch or before and after school (as and when needed) | All | History rooms (W22 is main room where recording takes place) | ALL |
| Family History club | Mon | Both | Autumn and Spring (Starts 18th September) | 1:10 – 1:35pm | 1st / 2nd / 3rd | CR2 | |
| Tactical Games | Wed | both | all | 1:05 – 1:35 pm | All | M6 | MH |
| Big Question Discussion Group | Mon | Yellow | Autumn, Summer | 1:05 – 1:35pm | L6 / U6 | L2 | CLS |
| Textiles Club | Tues | Yellow | Autumn | 1:10 – 1:35pm | 2nd | T6 | KJG |
| Knitting & Nattering | Fri | Both | Autumn/Spring | 1:00 – 1:35pm | All | T6 | HT |
| Boardgames Club (Monopoly etc) | Fri | both | all | 1:00 – 1:35pm | 1st / 2nd / 3rd | L2 | SMG |
| Lower School Langs Club | TBC | TBC | 2nd half Autumn/Spring | TBC | 1st / 2nd / 3rd | L3 | French Assistant |
| Linguistics Club | Weds | Both | all | 1:10 – 1:35pm | 2nd /3rd / 4th / 5th / L6 / U6 | L9 | SMG |
| TSA Preparation | Tues | Both | 1st half Autumn | 1:05 – 1:35pm | U6 | RP2 | JS |
| Critical Thinking | Tues | Both | Spring | 1:05 – 1:35pm | L6 | RP1 | JS |
| First Year Book Club | Mon | Blue | All | 1:00 – 1.35pm | 1st | Library | VKB/ JIPG |
| Lower School Book Club | Mon | Once/ half term | All | 1:00 – 1:35pm | 1st / 2nd / 3rd | Library | JIPG/ VKB |
| Middle School Reading | Everyday | Both | All | 11:10 – 11:25am | 4th / 5th | Library | JIPG/ VKB/ JAH |
| Middle School Book Club | Weds | Once / half term | All | 12.25 – 1.00 | 4th / 5th | Library | JIPG / VKB |
| Spotlight on… | Fri | Both | Autumn, Spring | 1.00 – 1.35pm | All | Library | GAG/ JIPG |
| Library Helpers | Weds | Both | All | 1.00 – 1.35pm | All | Library | JIPG |
| ‘On the Same Page’ Book Review Magazine | Weds | Both | All | 12.25 -1.00pm | 1st / 2nd / 3rd | Library | JIPG / VKB |
| Visual Designers Club | Thur | Both | All | 1:10 – 1:35pm | 1st / 2nd / 3rd | CR2 | NSC |
| Chemistry Club | Thur | Both | All | 1:00 – 1:30pm | 1st | C2 | ITM |
| (Prism)LGBT+ group | Mon | Both | All | 1:05 – 1:50pm | All | PKA/CH (AGE) | |
| Eco-Schools Committee | Mon | Both | All | 12:30 – 1:00pm | All | G2 | CAM/KEO/RCT/HKL/ALG |
| Eco-Schools Workshops | Mon | Both | All | 1:00 – 1:35pm | All | C4 | CAM/KEO/RCT/HKL/ALG |
| Allotment Club | Thur | Both | All Except when the weather is too cold in winter | 12.30 – 1.00pm | all | Biology greenhouse | MW |
| Christian Group | Tues | Both | All | 1:00 – 1:35pm | all | TBC | LEL/GAC |
| 6th form Bible Study | Mon | Yellow | All | 1:05 – 1.35pm | L6 / U6 | TBC | LEL |
| Friday Prayers (Jumla) | Fri | both | all | 1:10 – 1:35pm | all | Meet at sports hall | LEL |
| SGStem Magazine | TBC | TBC | Autumn only | Lunchtime/After School on Ad Hoc basis | U6 | B3 | |
| Classics Club | Mon | Both | All | 1:05 – 1:40pm | 1st / 2nd / 3rd | W13 | LEM |
| Mindfulness Club | Weds | Blue | Spring/Summer | 12:40 – 1:10pm | All | LS1 | AKM/AGE |
| Dungeons & Dragons | Mon, Fri | Both | All | 1:00 – 1:40pm | All | T8 | MGM/JSD |
| JS Science Club | Tue | Both | All | 12:30 – 1pm | L6 / U6 (5th juniors) | P3 | CMS |