Complex sentence: Blair High School was one of many PUSD high schools threatened to be shut down due to budget cuts, however at this point in time, Blair High School is reportedly not going to close as it is one of the most improved in the area.
Split into simpler sentences: Blair High School was one of many PUSD high schools threatened to be shut down due to budget cuts. At this point in time, however, Blair High School is reportedly not going to close as it is one of the most improved in the area.