http://www.nytimes.com/2010/09/28/education/28school.html?_r=1&hp In 2000 Brockton, Massachusettes (USA), Susan Szachowicz and a handful of fellow high school teachers persuaded administrators to let them organize a school-wide campaign that involved reading and writing lessons (added to) every class in all subjects, including gym. The students' higher success rates 10 years later disprove the "rule" that small classes yield better results -- (jgw:) or that more frequent repetition and instructor-led student use of the learning material does.