Old systems top to bottom need to be ripped out and rebuilt...

Old systems top to bottom need to be ripped out and rebuilt and you can't do that during a single summer so there are tactical challenges to renovating North High School too. When you add the costs of renovating North High School and renting space or transporting students to a different space during a year of construction renovating isn't cost-effective. The cost is almost the same as building a new school.