SICP is a very well known text teaching the conceptual basis of programming. The full text is available on the web site.

A compilation of colleges, universities, and secondary schools which use Scheme in their curricula. Compiled and maintained by Ed Martin of Schemers, Inc.

A meta-resource maintained by Shriram Krishnamurthi for people interested in Scheme as a tool in education.

Goals of this Rice University project: disseminate a new introductory curriculum on computing, and turn computing and programming into indispensable parts of the liberal arts college curriculum.

An online Scheme tutorial by Dorai Sitaram.

Developing software and courseware to support the use of Scheme in undergraduate education.

By Shriram Krishnamurthi. Introduction, history, code samples. Published in student magazine of Association for Computing Machinery, which has published several articles on varied languages, including Scheme. [ACM Crossroads]

How Scheme made learning programming fun.

Good introduction, explains call-with-current-continuation function and how it works. Compares to exceptions in languages Java, C++, C's setjmp() and longjmp(), problems of lexical versus dynamic scoping with continuations. Very informative, more so f...

A paper by Daniel P. Friedman (1994) which provides a good introduction to Scheme programming. Presented at the First International Forum on Computer Programming in Education, ITESM, Mexico.