Grades: 9-12 and post-grad gap year Enrollment: 120 Average Student-Teacher Ratio: 6-1 Transportation Offered: Yes Tuition: $8,000-$38,000 Combine Academy is an accredited International Boarding School and Professional Sports Performance Center that offers high school and post graduate athletes an all-inclusive and comprehensive solution for obtaining a prestigious academic education. Combine Academy has been able to propel more than 300 student athletes to the college level on athletic/academic scholarships since 2012.