superschool

noun

1. A very large or successful school.

   “Five superschools will replace the 17 existing high schools. Each will have 5,000 to 6,000 students and a campus of about 40 acres.”

   “Sponsored by the National Association of Corporation Schools, the institution (which never materialized beyond the planning stage) was to consist of a superschool that would train employees in the latest theories and techniques of business management.”

   “A few years earlier a superschool had been built and its time had come. It just made economic sense.”