This document discusses promoting excellence in STEM education through enrichment programs. It describes two such programs: the Junior College Utrecht program, a collaboration between Utrecht University and 27 schools offering research modules to talented students, and the Willem van Oranje College program offering challenging projects. It provides an example JCU module on membranes and antibiotic resistance that uses inquiry-based learning. The document recommends differentiating instruction and open-ended assignments to challenge excellent students, and cooperating with other teachers and external experts to develop high-quality materials for excellence programs.