Complex sentence: These three remaining board members, (Rick Hesel among them) still refuse to leave the school (on the grounds of board continuity) and some suspect, continue to stall until the school itself can be merged/affiliated with another entity.
Split into simpler sentences: These three remaining board members, (Rick Hesel among them) still refuse to leave the school. Some within the community suspect, they continue to stall until the school itself can be merged/affiliated with another entity.