Al-Rahmah Mosque is a mosque in Windsor Mill, Maryland that combines worship with religious education and support for people entering or strengthening their practice of Islam. It offers instruction on the fundamentals of Islam, the meaning of being Muslim, and the process of formally embracing the faith through its shahada service. The mosque also hosts Clean Slates, a virtual class held on the first and third Saturday of each month, focused on Islamic topics and Muslim life in an accessible setting for learning, discussion, and clarification.