I think the name is fine if you turn your product into a whitelabel solution. People can dropin their own branding for their series of training courses and then charge a fee - all without having to deal with servers or payment providers. When I was freelancing a few years ago, more than a few people wanted a modern solution that they could whitelabel and not have some other company's branding on it.
Related, but without the stigma, would be something like classfoundry -- the .com is unavailable, but various generic TLDs are.