A-level and GCSE hybrid tests are called the School Assessment Test (SAT)
SAT Subject Tests with 25 three-multiple choice questions to last 3 hours
SAT Subject Tests with 13 advanced level questions and 12 general level questions
SAT Subject Tests in the US to match OCR UK subjects
Middle school begins at age 11 and high school ends at age 18
Secondary school begins at age 11 and UK college ends at age 18
Combine both into one and make them start one year earlier at age 10 to 17
Socially separate 16/17 year olds with the rest in sixth form style rooms