The Business of CTL is Learning Founded in 1994, CTL helps schools, school districts, post-secondary institutions, and other learning organizations to reach and teach all learners. Our work extends from our home base in Louisville, Kentucky to national and international settings, increasing the capacity of all kinds of organizations to meet their learning goals. What We Provide CTL's primary work is the design and delivery of highly effective professional development. Based on client needs, we design customized training to target learning goals. Our focus is on improving teaching by obtaining and applying real evidence, and developing standards-based classroom practice and effective instructional and administrative leadership. Where We Place Our Focus At CTL, we focus on the classroom teacher. Research continues to show that, within the formal educational system, the classroom teacher is the single most critical factor in student success. CTL provides individualized coaching and support to educators to help them realize dramatic changes in teaching and learning. We carry out our work with a client over a sustained period of time, generally from one to five or more years. With a professional staff that has extensive experience in education at all levels. We use standards-based approaches to professional development design that are grounded in research, and provide educators with practical tools and strategies that sustain professional growth.