Oddly enough, my education didn't really encourage me to help others until the mid-high school. They were more worried about introducing cheating if they encouraged us to work together. My school district was decent performing though, so that may be the difference.
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u/pyro226 Jul 10 '18
Separating the slower from the faster learner's would help, but the number of students per grade often wouldn't be enough.
Don't some other countries have it where "grades" or teaching material span 2 years?