In the Turks and Caicos Islands,where there are less than 20,000 people,the number of students in some schools is so low that students of several different grades are taught in the same classroom.

• 在人口不超过2万的特克斯和凯科斯群岛上，一些学校里的学生人数非常少，几个年级的学生在同一个教室里上课。