In One Study of Six Secondary Schools Where Inner-City Students

In one study of six secondary schools where inner-city students were removed and their scholastic performance improved,it was found that the schools helped them to advance in mainstream school settings by

A) helping the students' parents to find higher paying employment
B) helping the parents to become more engaged in their children's academic performance
C) longer school days and school years
D) a no-nonsense principal who worked closely with school administration to follow what the administration said was best for the students