Yes. It's aimed at languages that use parentheses for structure - so it's _definitely_ helpful for Scheme.

We're generally so used to line-based editing, it may be frustrating but it's well worth the effort and once it clicks, you start to miss the features with other languages.

There's some truth in the old joke "If you think paredit is not for you then you need to become the kind of person that paredit is for."