Oklahoma Christian University has announced it is seeking membership in NCAA Division II, becoming the latest Oklahoma school to leave the NAIA.The university made the announcement Monday, saying it has already been accepted into the Heartland Conference, pending approval of their application, which will be submitted to the NCAA on June first.Oklahoma Christian, which has been a member of NAIA since the 1960s, has been studying the move since 2006."We have been very successful in the NAIA through the years," says president-elect John deSteiguer. "Now it's time for Oklahoma Christian to apply for membership in NCAA Division II. It's the best thing for our student-athletes, our coaches and our fans."The university says changes in the composition of the NAIA and the growth of the university led to the proposed changes.Other Oklahoma teams that have previously moved from the NAIA to NCAA Division II include Northeastern, Southeastern, East Central and Southwestern. Southern Nazarene was accepted last summer.Northwestern Oklahoma State's bid for NCAA membership was turned down over the summer, but the school says it will continue working to move to the NCAA.Oklahoma Christian recently won NAIA titles in men's golf and men's tennis.