William Penn Charter School Philadelphia, PA Camp Sessions & Registration March Madness 2026 Enroll by 4/6/26 to score a free Sixers duffle bag! Click below to secure the bag now. ... Read More about March Madness 2026 Jr. 76ers Basketball Camps Jr. 76ers Basketball Camps Camp Locations William Penn Charter School Jr. 76ers Camps at William Penn Charter School August 3 – 6, 2026 Day Camps Boys & Girls: 6 - 14 $376.00 per week