Waterloo is a friendly and welcoming school. Pupils told the inspector that they would make friends with anyone new to the school. They feel happy and safe because they are well supported by adults. Staff know their pupils well. Pupils are confident and resilient learners. They achieve well in the school. Pupils thrive on the opportunities that they receive to take on responsibilities. Antibullying ambassadors and mental-health champions look out for pupils who may be feeling anxious. Pupils encourage friendships and seek out adult support to help resolve any differences. Leaders and staff have high expectations of pupils’ behaviour and achievement. Pupils behave well in school and staff deal swiftly with any issues of bullying. Leaders and staff plan many activities to develop and support pupils’ mental and physical well-being. The school council, with the support of leaders, has established an outdoor gym and exercise course accessed by pupils daily.