When I did my student teaching, I created themed, interdisciplinary unit plans which linked different subjects together giving them context and opportunities to apply learned information and skills across subjects. This was greeted with mixed reactions from the established teachers in the school. But the students seem to enjoy it and most did very well.

I have seen this done in primary school in the UK recently and very successfully to teach all subjects under the theme of WWII in Great Britain.

Would that all schools primary and secondary were instructed to link disciplines under themes. It is really quite easy to do and makes history less dry science and math less abstract.