superschool       
noun [ C ] (also super-school) uk/ˈsuː.pə.skuːl/ us/ˈsuː.pɚ.skuːl/
 超级学校(尤指多所学校合并而成的极大的学校)
an extremely large school, especially one that combines several smaller schools
  The superschool consisted of twelve classroom buildings scattered around a hundred-acre campus.  这所超级学校由12座教学楼组成,分布在占地100英亩的校园里。 
 A pioneering 25 million pound super-school is to shut down after seven years. 一所耗资2500万英镑的开创性超级学校在运营七年后即将关闭。 
 - More examples
 - He felt superschools were an inefficient approach to education and that students were more likely to thrive in a more intimate learning environment.
 - The super-school would offer GCSE and A-level exams whenever pupils were ready.