They're reporting five things: drop of truancy to almost zero, attending parent-teacher meetings -- which nobody did and now almost everybody does -- drop in discipline problems, increase in student participation.
他们报告说有五大变化。 逃课现象几乎消失了，家长会到会的人多了—— 过去没有人来，现在几乎所有的家长都来—— 违反纪律的现象少了，学生的参与度提高了。