Complex sentence: He was expected to move up to the Principal's office, when Chancellor Harold O. Levy decided to try to find a Nobel laureate to become Principal; that effort failed, but Stark was still not offered the job as principal.
Split into simpler sentences: He was expected to move up to the principal's office, when Chancellor Harold O. Levy decided to try to find a Nobel laureate to become principal. However, when that effort failed, Stark was still not offered the job as principal.