Eden Christian Academy 318 Nicholson Rd, Sewickley, PA15143 Eden Christian Academy is one of the largest non-denominational schools in the greater Pittsburgh area. The academy has…More grown to more than 600 students, but only grades 7 through 12 attend the Upper School on the Mt. Nebo Campus. The school offers a rigorous education that teaches Christian values. In addition to providing a Christian worldview and strong academics, the school offers competitive athletics and dynamic performing arts programs.