The Whole Kids Foundation Garden Grant Program provides funds for edible gardens at K-12 schools in the U.S. and Canada. These grants of $2,000 are awarded to schools and nonprofit organizations. See: https://www.wholekidsfoundation.org/programs/school-gardens-grant
For information about The Vegetarian Resource Group scholarships for high school seniors who have promoted veg diets, see: https://www.vrg.org/student/scholar.htm