Religious groups refer to gatherings or communities of people who share similar beliefs and practices related to their faith or religion. They come together to worship, learn, and support one another in their spiritual journeys. Full definition
This number has grown in recent years as successive governments have increased the influence of religious groups in the state - funded education system. (humanism.org.uk)
But normally they were not distinguished from other religious groups in terms of language, dress, food, or most of their customs, except for worship. (religion-online.org)
The official also noted support from other religious groups for the policy. (religion.blogs.cnn.com)