Schools will close all Mathayom 6 classes this week (December 4-8) to allow students to prepare for the TGAT-TPAT entrance exams, the Education Ministry's Office of the Basic Education Commission (OBEC) has announced.

The Bangkok governor on Wednesday ordered the suspension of classes at 437 schools under Bangkok Metropolitan Administration for the safety of students after 26 zones in the capital were declared air pollution control areas.