When Mr Bush signed NCLB a decade ago, with support from both sides of the aisle, it decreed that 100% of students should be reading and doingmathematics at the appropriate level for their ages by 2014.
Arne Duncan, releasing a report on the Department of Education's latest examination of how well American children are doing in mathematics, said no one should be satisfied with what it found.
Sue Pope of the Association of Teachers of Mathematics, said some schools were doing an excellent job but too much teaching to the test meant that not enough young people were getting "the opportunity to experience the excitement, fascination, joy and beauty of maths".
D. in applied mathematics, the 50-year-old Berezovsky says he spent 25 years doing research on decision-making theory at the Russian Academy of Sciences.