At the high school level, classes in core disciplines can not exceed a school - wide average of 25 students. (hechingerreport.org)
The second lesson, like the first, took place in an International Baccalaureate Organization authorized school; but it was further supported by removing walls that divided core disciplines of math, science, social studies, and language arts. (globaleducationmagazine.com)
Walley has been working with Keele University, where chancellor and green champion Jonathan Porritt is introducing a sustainable development core discipline in each subject. (politics.co.uk)