I haven't tried that one, but I wanted to say that a key thing to know about the Teaching Company is that you don't buy full-price from them! They have a rolling sale - everything comes round at around 25% of the headline prices at least once per year, and they even advertise the fact! Not sure why they do it this way - maybe libraries do buy full price, or maybe it gets them some accounting or tax benefit?
Whether a school would go for it as enrichment, I don't know! They might be worried about the relatively passive nature of it, but maybe for just 30 mins at a time that would be OK, and some of the courses have places to stop for exercises, too (the Chemistry one does for example).
