The “could be” above average students need motivation, as always the self-motivated students will do well regardless You know those guys, the ones who take advanced courses in the summer (not the remedial summer school kids) when the other kids watch TV and play XBox all day. Oddly, many of the advanced class summer students around here look Asian... hhhmmmm
Quite right. Even the worst school provides the resources needed to become well-educated.
Where the school makes the difference is at the margins. Some students will do well almost regardless of the school, while others will fail in the same way. Some undefined but large percentage of students are significantly affected by the quality of their schooling.