I would teach that there was a time when muslim countries were way ahead of christian countries about science, art, philosophy, etc. Then, for some reasons, tables have turned. Now we are the humanists and the progressies and they are the conservatives and the radicals.
I would insist that Both Bible and Quran can be used to build humanists and progressist civilisations or integrist and conservative civilisations, depending on how theinterpretation of the scriptures.
At the very beginning of History, the dominating civilisations were from the middle-East : Egypt, Babylonia, Assyria, etc... These civilisations were way ahead of western civilisation. Then came Greece, Macedonia (Alexander the Great) and Rome became the #1 civilisations in the world (both in terms military power and cultural influence). Then, before it collapsed, the Roman empire was splitted inot the Eastern and the Western Empire and only the Eastern survived and became the Byzantine Empire and was #1 until the Arabs rised and over-powered the Byantin empire. Then around the XVIth century, Western Europe (and later the US) took the #1 spot once again.
Who can say for sure that the tables are not going to turn once again soon or later ?
1) I have no "muslim" son. I have no son, nor daughters. And if I had one he would choose the religion he wants but I wouls strongly advise him to choose to be an atheists.
2) Secularism means being neutral about religions, not pushing one over the others. To me, studying one of them from a neutral perspective is not favorising it.
If I say "Islam can be good and it can also be bad", am I pushing Islam ? What if I say the same about christianism, am I pushing christianism ?