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Chislehurst & Sidcup Grammar School


Founded in 1931, Chislehurst & Sidcup Grammar School (CSGS) is an esteemed educational institution that has been serving students in London for close to a century. The school has weathered many changes over the decades, but its commitment to delivering high-quality education has remained constant. The traditional school motto, “From each his best”, still echoes through the corridors, reflecting the school’s emphasis on individual excellence.


Chislehurst & Sidcup Grammar School offers a coeducational setting, welcoming both boys and girls in its ranks. Catering to students aged 11-18, CSGS promotes a balanced and comprehensive curriculum with a range of subjects at GCSE and A-Level. The school’s holistic approach to education extends beyond academics, fostering personal growth, leadership, and social responsibility among its students.


Each year, Chislehurst & Sidcup Grammar School offers 180 places for Year 7. With the school’s reputation for excellence, it’s no surprise that it receives a significant number of applications each year, making the admissions process highly competitive. Prospective students must undertake an 11+ entrance examination, focusing on Verbal and Non-Verbal Reasoning, to secure a place.

Student Profiles

The students of CSGS are a diverse, ambitious, and academically motivated cohort. Consistently achieving high grades, many go on to secure places at top UK universities. But CSGS students are more than just academic achievers. They participate in an array of extracurricular activities, showcasing their talents in music, drama, sports, and a plethora of clubs, contributing to a vibrant and balanced school life.


Chislehurst & Sidcup Grammar School is home to an array of excellent facilities designed to support its comprehensive curriculum. These include modern classrooms, fully-equipped science and IT labs, a spacious library, and specialised spaces for music, drama, and art. The school also offers impressive sports facilities, including a sports hall, gymnasium, and extensive playing fields.