— Participation Over Time: Keeping Youth Engaged from Middle School to High School By Sarah Deschenes, Priscilla Little, Jean Grossman, and Amy Arbreton Attention to the differing developmental needs of adolescents-not only between middle school and high school but even among older and younger youth in each bracket-is the key to retention in OST programs. 8 pages. — Using Professional Development to Enhance Staff Retention By Denise Huang and Jamie Cho What keeps dedicated afterschool workers on staff? Ongoing, informal professional development is one of the most powerful incentives. 8 pages. — The Changing Landscape of Afterschool Programs By Kathryn Hynes and Felicia Sanders The amount of OST programming available has increased significantly in the last decade-but are enough programs available in the right places, and are children realizing the potential benefits of participation? 11 pages. — Honoring 15 Years of the 21st Century Community Learning Centers Program: A Polity-Centered Analysis By Sarah Fierberg Phillips A polity-centered approach to the history of 21st CCLC funding can help inform afterschool advocates responses to President Obamas current proposals. 9 pages. — A System That Works: Highlights of Effective Intervention Strategies in a Quality Improvement System By Diana Sinisterra and Stephen Baker Prime Time Palm Beach County has implemented a quality improvement system that is creating a community of afterschool practitioners who value high-quality programming. 8 pages. — New Faces, New Places: A 4-H Science Learning Program in Urban Out-of-School Settings by Walter A. Barker, Eric Killian, and William P. Evans "Butter making" becomes "chemical reactions" when 4-H youth development moves from its rural roots to provide hands-on science and technology learning in urban settings. 6 pages. — Can We Talk? Creating Effective Partnerships between School and Afterschool Programs By Lisa Sweet Dilles If the schools can provide the instructional boost and afterschool can offer the engaging enrichment, students will have what they deserve: the best of both worlds. 4 pages. — Also available on the The National Institute on Out-of-School Time site: https://niost.org/Table/Afterschool-Matters/Afterschool-Matters-Fall-2010/