PLT Scheme is FAR AND AWAY the best system to start with Scheme. It is also ONE of the best to take you as far as you like with Scheme as well. It is possible

PLT Scheme is FAR AND AWAY the best system to start with Scheme. It is also ONE of the best to take you as far as you like with Scheme as well. It is possible a different Scheme a particular niche advanced need. For a traditional Lisp-like REPL with incremental compilation Scheme Larceny and/or Ikarus.