Debating and public speaking SGHS has an extensive debating tradition, and all students are provided the opportunity to develop their skills through weekly coaching and debating or speaking sessions, both social and competitive. SGHS competes in Combined High Schools (CHS) debating competitions and regularly has social debates with other schools, including
Sydney Boys High School;
Sydney Grammar School;
the Scots College; and
St. Joseph's College, Hunters Hill. In 2004, 2005, 2016, 2022 and 2023 SGHS won the Hume Barbour Trophy for the Premier's Debating Challenge. In 2012, 2013, 2015, 2018, 2019 and 2020 SGHS won the Karl Cramp Trophy for the Year 11 Premier's Debating Challenge.
Rowing The SGHS Rowing Club (SGHSRC) competes in competitions including the
Schoolgirl Head of the River, the
Riverview Gold Cup and the NSW Combined High Schools Regatta and has had successes in these competitions. The SGHSRC also hosts and competes in its own regatta, the schoolgirl SGHS Regatta, held at
Iron Cove in late November each year. Many girls also win NSWCHSSA Blues for their achievements in rowing. At the inaugural
Schoolgirl Head of the River Regatta in 1991, the SGHSRC won the overall point score, as well as winning the races for the
eight, the coxless
quad scull, the coxless pair, the novice four and the
coxed four; with the Senior 1st IV. The
eight also won in the 1991 Head of Parramatta. The SGHS
eight won the
Schoolgirl Head of the River in 1992 and 1994, when it was held at
Iron Cove. In 2006 and 2007 the Senior 1st IV won the
Schoolgirl Head of the River. In 2011 the Senior 1st IV can second in the
Schoolgirl Head of the River. The rowing club also won the overall point score at the 2014 NSW CHS Regatta. In the 2015 Head of Parramatta, the coxed quad sculls won first and second place in the schoolgirl quad race.
Performing arts SGHS has several dance groups, drama ensembles, and music groups, and a student-run Technical Company that oversees lighting and sound for school assemblies and performances. Annually, the Year 11 drama class put on a major production, which in 2009 was the Pulitzer-winning play
Harvey. The school has an annual
musicale and Christmas concert, which showcase the musical and dancing talent of students. SGHS also hosts a biennial
musical co-production with Sydney Boys High, which in 2015 was the Tony Award winning
Guys and Dolls. With regards to drama, there are junior and senior co-curricular Drama Ensembles, an annual Shakespeare Festival in which students perform Shakespeare excerpts, and a "7/10 Director's Project" where Year 10 Drama students direct 10-minute plays starring Year 7 students. Further, SGHS is a serious contender in the annual Schools
Theatresports Competition, their senior team achieving 2nd place and their junior team achieving 3rd place in the 2009 grand finals. SGHS has a wide range of musical ensembles and bands, including:
Philanthropy To support
Oxfam, SGHS hosts an annual charity fundraiser. For each try scored during a
touch football game played between Year 11 and Year 12 girls, ten dollars is donated to the charity. Further, SGHS has been a large contributor to Stewart House, which has recognised the school's efforts with a Roy Reidy Trophy as the top contributor for the 16th year in a row. In 2011 the school was awarded the Norman B Ridge Red Cross Shield for collecting the largest amount of money for the Red Cross Calling. SGHS publishes an
Imagizine, a compilation of student-submitted poetry, short stories, and artworks; the proceeds from which are donated to the
Black Dog Institute. The body behind
Imagizine meets every Thursday and is open to all current SGHS students. SGHS also has Knitting in Company and Environment Group. Knitting in Company is an activity held after school, during which students knit blankets that are then donated to
Wrap with Love, a charity that provides blankets to people who are susceptible to hypothermia. Environment Group involves weekly meetings during which students tend to the school's vegetable gardens and discuss environmental issues. The Environment Group is also responsible for promoting the annual Green Day. The school also has a Social Justice Club that meets weekly and takes on a new social justice project each term – past projects include LGBT rights, mental illness awareness, refugee aid, and global women's rights.
Other opportunities Like many Australian schools, SGHS encourages students to take part in the
Duke of Edinburgh's Award, offering a school-organised hike to Year 9 students for the Expedition component of the award. In addition, SGHS participates in numerous academic competitions including the Da Vinci Decathlon and
Tournament of Minds. In the 2013 'Race Around the Renaissance' Da Vinci Decathlon, SGHS came first. In the 2015
Tournament of Minds, SGHS won the Maths & Engineering division, and gained honours in the Social Sciences division. With regards to overseas tours, students are often offered the opportunity to travel to China, France, Japan, Germany, and Italy. This is often for LOTE or ancient history study. There is also a student exchange program set up with Beijing Normal High School in China, The Lycée Paul Cézanne in France, and the Konan Girls High School in Japan. There is also a SGHS cadet program at
Sydney Boys High School. ==School traditions==