Fla.. 21yearold Jim Hall of Everett. Wash.. has organized a tutoring program for the children of migratory farmworkers. He has recruited something like 300 education majors at Florida Atlantic University who work as tutors in 10 migrant camps. at no expense to the taxpayers. Although Jim Hall has completed his VISTA service. the tutoring project remains a part of the curriculum at Florida Atlantic. Fletcher Low. a 73yearold former college professor. once a pitcher for the Boston Braves and very recently a Republican member of the New Hampshire State Legislature. is tutoring Job Corpsmen at Tremont Job Corps Center in Townsend.