Notably, another bear pit lies near the canteen area in Sydney Boys High School and has been designated a prefect workspace.

[2] The Year 7 intake is of 150 students, on the basis of academic merit, as assessed by the Selective High School Placement Test.

Her Excellency, Professor Marie Bashir AC, CVO, Governor of NSW formally opened the new boatshed on 28 June 2009.

The SGHS section of the boatshed was named the Margaret Varady Rowing Facility in honour of the contribution made by the former principal Margaret Varady towards schoolgirl rowing,[11] including having been instrumental in securing the land and funding to build the boatshed.

[17] Sydney Girls High School has a long tradition of sports, in addition to academic scholarship and offers students a range of extra-curricular sports, including athletics, badminton, basketball, chess, cricket, cross country running, fencing, hockey, rowing, snow sports, soccer, swimming, table tennis, tennis, volleyball, water polo, and netball.

Students compete in the CHS competitions for many of the above sports, including athletics, cross country running, swimming, and rowing.

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.

[30] 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.

Environment Group involves weekly meetings during which students tend to the school's vegetable gardens and discuss environmental issues.

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.

[31] In addition, SGHS participates in numerous academic competitions including the Da Vinci Decathlon and Tournament of Minds.

[34][35] With regards to overseas tours, students are often offered the opportunity to travel to China, France, Japan, Germany, and Italy.

There are also Prefects for each grade as well as for interest areas such as Sport, Welfare, Public Relations, Co-curricular, Community Service and CAPA.

The SRC duties include welcoming school visitors at events, leading and facilitating fundraising events, helping at the school canteen, and organising the annual Junior Dance that is open to SGHS and SBHS students Years 7 to 9.

[42] New students are allocated a buddy in their class who provides practical assistance and advice about the school.