OPEN MINDS, The Behavioral Health & Social Service Industry Analyst Industry News On February 18, 2008, NHS Human Services announced plans to merge with Allegheny Valley School (AVS), a provider of community residential services and therapeutic programs for people with intellectual/developmental disabilities. The merger is expected to close by May 31, 2008. All AVS management staff, including senior executive staff will remain in place in their current positions. Following the merger, AVS programs will continue unchanged. The move brings AVS the ability to offer a more diverse line of services . . .