I'd suggest Racket (https://racket-lang.org https://racket-lang.org) which is a batteries-included language environment that includes scheme and has a lot of hi

I'd suggest Racket (https://racket-lang.org https://racket-lang.org) which is a batteries-included language environment that includes scheme and has a lot of high-quality documentation. Guile (https://www.gnu.org/software/guile/ https://www.gnu.org/software/guile/) isn't quite as learner-focused but is another great choice.