The phrase "to convert the school" means to change the school in some way, usually to improve it or make it different from how it was before. Full definition
The changes could include converting the school into a charter school or changing the administration. (laschoolreport.com)
By converting each school's future price into an implied probability, I have been able to identify several schools with a positive expected value. (sportsinsights.com)
Some of the actions include converting the school to a charter school, replacing the principal or other school staff members, and closing the school. (nassp.org)