Head of school: Matt Gossage Grades: JK-12 Enrollment: 1,010 Average Class Size: 16-18 Tuition: $13,105-$22,445 Languages offered: Spanish, French, Mandarin Chinese Average SAT Score: 1200-1390 Cannon School nurtures relationships and engages the learner in a journey of growth. The school’s culture is one of inclusivity, intentionality and innovation.