1. A load distribution control system equipped with a plurality of computers, that distributes jobs to the computers and has them execute the jobs, the load distribution system comprising: a storage unit to be accessed by the computers to execute the jobs; a first management device that makes a computer, which is selected from among the plurality of computers and has a lower load than the other computers, execute the jobs; a second management device that accepts the jobs, queues the accepted jobs, and stores them sequentially in a first job queue; a third management device that sequentially fetches the jobs in the first job queue and executes data processing necessary for the execution of the fetched jobs by the computer, on the storage unit; and a second job queue that sequentially stores the jobs for which the data processing has finished, as jobs that wait to be executed by the computer; wherein the first management device sequentially fetches the jobs from the second job queue and has the computer execute the fetched jobs.