What can we know about the ‘School of Paul’ if we analyse the letter to the Colossians? This question is divided into three parts: how and why was the letter written, and what theological answers are given? Colossians depends mainly on the oral tradition of Paul. With Paul's words but in new contexts the authors try to overcome the depressed situation of the communities after Paul's death. Like Paul, the authors of Colossians refer to Wisdom traditions, but in a more conservative manner. Their dependence on and independence from Paul's speech and thinking reveal the ‘School of Paul’ as an ongoing context for discussion.