HMSG offers a wide and varied extra-curricular programme. All girls in Year 9 will be encouraged to take full advantage of lunchtime and after school activities and clubs. It is hoped that such involvement will contribute to developing confidence and extending friendship groups.
| MONDAY | TUESDAY | WEDNESDAY | THURSDAY | FRIDAY |
| Lunchtime | Lunchtime | Lunchtime | Lunchtime | Lunchtime |
| Running Club Junior Ceramics Club Creative Writing Book Club Maths/Puzzle Club Intermediate Winds St. Catherine's Strings Guitar Ensemble ABRSM Aural Practice |
Open Lacrosse ABRSM Aural Grades 4-6 Debating Ballet Grade 4 Classics Club Juniors Astronomy Club Spanish Clinic |
Ballet Grade 3 Open Athletics Chamber Music Concert Choir Creative Writing Debating Science Club Spanish Clinic |
Open Netball History Club HMSG Orchestra Chamber Music ABRSM Arual Grades 1-3 Greek Club Open Biology Clinic |
Open Netball Creative Writing Junior Science Club Jazz Crusaders Singers Juniors Computer Club |
| After School | After School | After School | After School | After School |
|
Rowing |
Lacrosse Y9, Y10 Rowing Chamber Choir Ballet Grade 3 Symphonic Winds Ballet Grade 6 |
HMSG TV Greek Club Juniors Rowing Music Theory Club Music Technology Club Tap Seniors Pilates Production Rehearsals |
Swimming Modern Jazz Y7, Y8, Y9 Dance Club Rowing Ballet Grade 7 |
Football Rowing Ballet Grade 4 Ballet Grade 6 Fencing |