Cram school definitely helps with exam scores. Coaching isn’t cram school. That meta analysis talks about 3 hour Saturday sessions and the kids at San Francisco

Cram school definitely helps with exam scores. Coaching isn’t cram school. That meta analysis talks about 3 hour Saturday sessions and the kids at San Francisco’s Lowell did Kumon 3:30pm-7:30pm DAILY for THREE YEARS. It’s a completely bonkers apples to oranges comparison. You would be completely and utterly dead wrong to not see the overrepresentation of kids who did cram schools in exams only high school admissions.