It says almost all of the states have some public schools that are open all year 基本上各州都有一些公立学校开展全年教育。
2.
It says almost all of the states have some public schools that are open all year 据国家全年教育协会称，约有5 %的公办学校的学生参加了全年学校。
3.
The national association of year - round education says almost 5 % of public school students attend year - round schools 全年教育国家委员会指出， 5 %的公立学校学生上全年制学校。
