Graded is a private, co-educational, non-sectarian, non-profit American day school serving an international community of approximately 1250 students, ages 3-18. The school follows an American curriculum with instruction in English and is accredited in the United States through AdvancED and in Brazil by the Ministry of Education. The school has three divisions: Lower School, K3 to Grade 5 Middle School, Grades 6-8 High School, Grades 9-12 The Lower School consists of the Montessori Pre-primary School (K3-K5) and the Elementary School (Grades 1-5). The High School program is college preparatory, and all graduates receive an American High School Diploma. Seventy-five percent of students earn an International Baccalaureate Diploma. A Brazilian High School Diploma is also offered, and 49% of graduating seniors receive all three.