ACG Schools | 5,412 followers on LinkedIn. ACG Schools is the largest independent school group in New Zealand, offering the most highly-awarded schools in Cambridge International exams. The schools provide a world-class, student-centred approach to learning, with globally recognised qualifications and an extensive programme of sports, culture and technology, providing our students a holistic, future-focused education. With our personalised approach to education, our students regularly receive awards for academic results and go on to top universities around the world.