what's the secret? kristi lu stout checks it out. ♪ >> reporter: this hong kong junior is at ease at the keyboard and with the college boards. on the s.a.t.s he scored a whopping 790 in reading and 770 in math. 99 and 98 percentile scores. the secret, his after-school tutors. >> i'm doing pretty well at school in no small part thanks to these tutors. >> reporter: he spends four hours a week with tutors at hong kong's kelly yang project. >> there's the myth that every chinese kid is good at math, but aside from that, i think it's just that they have the access to the school, to the extracurricular activities, which are going to be helping them with these different subjects. and there's also a lot of priority at home for them to do well. and their parents won't take "b" for an answer. >> reporter: students in hong