Following (sort of) from my ET thread, I feel a little cheated by what I was taught at school - although it was a long time ago, but still...
In RI there was no hint or suggestion of any other belief system, there was Christianity and that was it.
In history the pyramids were graves (they are not), nothing about their celestial alignment. Nothing about our deplorable exploitation, colonialism, slaughter of native peoples.
Oh, and, boys did interesting Metalwork and Woodwork, us girls weren't allowed to; we had Cookery (boring, and I will never forget my disgusting soused herrings and sponge cake with the mysterious grey uncooked middle) and Needlework (actually okay but I would have liked the choice).
On the subject of sex discrimination; I wanted to go in the RAF and fly jets but back then they said 'no women pilots' - and were allowed to .