Complex sentence: The school was renamed Ubay Science High School in 1999 and changed later to Ubay National Science High School in 2001 through House Bill No.5245 during the second regular session of the 14th Congress.
Split into simpler sentences: The school was renamed Ubay Science High School in 1999. And changed later to Ubay National Science High School in 2001 through House of Representative Bill No.5245 during the second regular session of 14th Congress.