OASES works in partnership to provide a range of day visit and residential opportunities. These centres provide a base for the continued professional development of teachers and other education leaders, and exciting opportunities for parties of chidren and young people from schools and other educational settings.

EWE Centre - Provides a training room and grounds on the site of Esh Winning Primary School, located 5 miles from Durham City.It is also the office base for OASES staff.

The Middleton Centre - Is located in historic Middleton-in-Teesdale. Like Earls Orchard at Richmond, this centre offers residential visit opportunities(fully catered) to primary school parties who wish to explore the beauty and grandeur of Teesdale and the surrounding area.

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Environmental Extra – Provides day visit opportunities to school parties.Based within and managed by  Cassop Primary School, the centre specialises in aspects of education for sustainable development. The school itself is proud of the efforts it has made to become more sustainable, and of how their efforts are having a significant effect on the knowledge and understanding of young people.