I have it on good authority from actual teachers that separating students according to interest and aptitude disadvantages the average and below-average students greatly
This is commonly said by teachers, but there is not a research base to back up this statement. There is a considerable research base (especially from cross-national comparisons) to suggest that grouping students by readiness at a given time benefits all learners.
This is commonly said by teachers, but there is not a research base to back up this statement. There is a considerable research base (especially from cross-national comparisons) to suggest that grouping students by readiness at a given time benefits all learners.
http://www.accelerationinstitute.org/Research/Bibliography/