In your opinion, which is the best teacher-to-students ratio in classrooms ?
My students is striving to keep 1:12.
2 experts have answered
Research has shown that teacher-to-student ratios actually aren't as important in core subjects the further along in education the student gets. In fact, the return on that investment in terms of outcomes is significantly reduced after about 2nd or 3rd grade. In other words, by the time the students get to 2nd or 3rd grade, lowering the ratio has far more diminishing returns. There are some subjects, where that is not the case, but those would be elective courses like art and Music, where the individual expression and coaching is key to performance. In the first few grades, however, it does show to have a significant difference, as children have come from homes with small attention ratios (1 parent to 1-2 children, for example) and have not learned to perform individually in a large group setting. As they progress in school, they learn in groups settings better and can learn to learn without as much attention - mostly because they have learned real personal learning skills and have family involvement.
Also, one place where this can have an impact (lowering ratios) is in places where socio-economic backgrounds/situations are not supportive of a child's education.
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Obviously online classes have a slightly different optimum number. We have found that in class groups of less than 12 the group dynamic changes drastically and is not always helpful to the learner. Groups of more than 20 students means that some learners can 'hide' and drop their particpation level to quite low. Somewhere between 12 and 18 has produced the best learning outcomes for our key stage 3 and 4 students.