Churchill Secondary offers an International Baccalaureate (IB) Programme, which attracts many students from the school district to apply.

IB courses include English, French, Japanese, Mandarin (cancelled since the school year 2021–2022), Physics, Chemistry, Biology, Geography, History, Art, Psychology, Film Studies, Theatre, Mathematics, and Theory of Knowledge.

Information sessions are held each year for entry into the program which requires a written application, previous academic performance record, standardized testing (PSAT), and an interview for students not currently attending Churchill Secondary.

As part of Global Families, a project where IB students choose a developing country to educate others on, students host World Awareness Day in which they set up displays in downtown Vancouver to teach the public about their country of choice.

There is also an advanced academics programme for grade 10 students, with the name changed from 'Pre-IB' to 'Prelude' since 2016 due to it no longer being affiliated with the International Baccalaureate organization.

Students participate yearly in a French speech arts competition and are categorized between anglophone and francophone.

[8] It offers volleyball, boys soccer, field hockey, swimming, curling, writing, and cross country teams in the fall; basketball, girls ice hockey, and table tennis teams in the winter; and girls soccer, rugby, track & field, badminton, tennis, golf, girls softball, and ultimate teams in the springtime.

The school has 8 competitive teams for boys and girls and offers a basketball course to further student's skills.

Churchill Senior A had consistently won a seed in the BC AAA Girls Field Hockey Provincials,[12] however, in the 2013 season lost the seat to rivals Eric Hamber Griffins.

In the previous years of 2022 and 2023, Churchill Senior Team placed 3rd in the AAA Girls Field Hockey Provincials.

Since 2015 the school has a swimming team that competes on a city level and takes part in the British Columbia provincial championship.

The Youth 4 Tap Club succeeding in banning the sale of plastic water bottles on campus.

In 2015, a letter containing Churchill's signature was found onsite following a call to "unearth the Vancouver School Board's artistic and cultural possessions"[17]