Unity Learning Center, LLP 630 Silver Spring Ave, Silver Spring, MD20910 Located next to World Building in the city's business district, the Unity Learning Center offers an after-school program…More the children of working parents. The program includes homework time, project time, physical activity and computer skills. When school ends, the center offers a summer camp. Parents can enroll their children for the entire summer or for the weeks of their choice. For more information on the programs' content, you can use the link provided to visit the Web site.