Knowledge Delivery Systems (KDS) is the leading provider for research-based, blended-model strategic professional development solutions for states, districts and schools—supporting the professional growth and needs of individual teachers, coaches, and school leaders. Our mission is to help school districts and states transform professional development to dramatically improve teacher effectiveness and raise student achievement KDS solutions systematically build district-wide capacity to address a district's most important challenges. For more information, visit www.kdsi.org