Wiseman and others from two primary schools in Hertfordshire to select 60 students, they were divided into two groups.

怀斯曼等人从赫特福德郡两所小学中选取60名学生，把他们分成两组。

youdao

The 24 schools will open at different times during September - 17 are primary schools, five secondary and two are all-age schools.

这24所学校将在九月份的不同时间开学——17所是小学，5所中学和2所全龄学校。

youdao

Part three: Through the questionnaire form to survey a rural primary school and two secondary schools.

第三部分：通过调查问卷的形式，对农村中小学进行调查。

youdao

She says only about two hundred informal schools across the country receive money for materials under the free primary education program.

VOA: special.2009.08.24

Homes in the area were evacuated and two primary schools were closed as army bomb experts deal with the device.

BBC: Northern Ireland

The council said it had already launched a consultation with parents at two threatened primary schools.

BBC: Dunswell Primary School

Two small primary schools in Somerset are at risk of being closed down over falling class sizes.

BBC: Two small schools in Somerset at risk of closure