None of the classes observed was conducted monolingually
Studies have shown that immersion students--even when learning to read first in a foreign language, and even when learning all math or science in a new language--do as well as and sometimes better than monolingually
What they found was that "bilingually schooled students outperform comparable monolingually
schooled students in academic achievement in all subjects, after 4-7 years of dual language schooling" [italics added] (Thomas & Collier, 2002, p.
The three language communities do not fully correspond to the three regions: Flanders is a monolingual region where all citizens are considered to speak Dutch, Wallonia is monolingually
French-speaking apart from a small area where German is spoken, and the Brussels Capital Region is a bilingual region where both Dutch and French have the status of official languages, although its individual citizens are not considered as bilinguals but as members of either the Flemish or Francophone community.
More to his liking may be a defence of the council's website, which despite guarantees by the council to the contrary still operates monolingually