Children in a school
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Do boys and girls learn better together?

15 October 2014 Last updated at 07:38 BST

Do you go to school with just boys, just girls, or a mixed school where both boys and girls share a classroom?

There's a big debate going on about whether single-sex or mixed schools are better for learning.

In the UK a majority of schools (96%) are mixed schools.

Only 4% of schools are only for boys, or only for girls.

Jenny visited some schools in Manchester to find out what children there think.