The identity of Dulwich College is shaped by its historic campus, diverse student body, and commitment to holistic education, it emphasises a love for learning for its own sake. With a focus on free learning, students are encouraged to engage in intellectual pursuits beyond the traditional curriculum, fostering curiosity and independent thinking. The school employs mixed-ability teaching in most subjects, with setting only in maths and languages, ensuring that all students can thrive. The arts and extracurricular activities at Dulwich College are exceptional, offering programs in drama, music, and visual arts, alongside a diverse array of clubs and sports. State-of-the-art facilities, including modern laboratories and music suites, support these activities, providing students with numerous opportunities to explore their interests and talents.

The college places a strong emphasis on pastoral care, ensuring each student receives personalised support and guidance. Committed to social inclusivity, nearly a third of students receive financial assistance, with aims to support up to 50% of students on financial aid. Community engagement is integral, with partnerships led by the Head Master and a commitment to sustainability and local involvement, ensuring students are well-rounded and socially conscious.