One of my hardest cases this far have been three cousins, nicknamed the Chopstick Brothers, who came to EF because their parents wanted to send them to High School in America next year. Over six months Calvin here has gone from barely functional in English to relatively competent, thanks to 10 hours per week at EF, and some number of hours at other schools as well. He flies out in mid-August, so his parents treated myself and some of his other teachers to dinner.