The Green School educates students from around the world, instructed by both locally and internationally trained educators. The school has adopted a flexible model of teaching and learning with students in Middle and High School (opening 2022) working both on campus and online. The school has an average class size of 15 students with a student-teacher ratio of 9:1. The Green School campus is spread out across a beautiful three hectare farm on an estate in Chartwell North, Johannesburg, South Africa. The farm offers many opportunities for students to work with, observe and care for the animals; including horses, cows, and chickens. Graduates from The Green School receive a High School Diploma and gain access to universities around the world. All Middle and High School courses are accredited by AdvancED, the unified organization of the North Central Association Commission on Accreditation and School Improvement (NCA CASI) and the Southern Association of Colleges and Schools Council on Accreditation and School Improvement (SACS CASI), USA. The Green School has adopted the American Common Core Standards from Kindergarten to Grade 12.