You can do this in Supermemo quite easily. It does have interleaving (mixing multiple "decks") by default, although you can do reviews from one deck if you want

You can do this in Supermemo quite easily. It does have interleaving (mixing multiple "decks") by default, although you can do reviews from one deck if you want to. You'd be losing FOSS, Linux, and IMHO my favorite feature, the mobile support by switching to Supermemo. When I was using Anki in school I just used multiple decks. Usually one per class.