Severely overcrowded classrooms, lacking in trained teachers and basic supplies, are not uncommon. In the rush to expand services, school systems have sometimes neglected teachers’ professional development, student assessment, and even basic building standards.
许多国家的学校建设速度比不上人口增长速度。过度拥挤的教室、合格教师和基本供给的缺乏绝非个别现象。为了快速扩张，有时学校体系会忽视教师职业发展、学生评价甚至基本的校舍标准。