sentences:  In 1991 and 1992, Mr. Stephen C. Clark Jr. and his daughter, Hill alumna Jane Forbes Clark, gave the school 133 acres, three houses, and a barn.Today, Hill School serves students in Junior Kindergarten through 8th grade.The campus was expanded by 133 acres in 1991 and 1992 through the gifts of land from Stephen C. Clark Jr. and his daughter, Hill alumna Jane Forbes Clark.