The 1970's brought many changes, even in the first years of the decade. Mrs. Mary Brown, the Sixth Grade teacher, organized the first trip to tColonial Williamsburg in Virginia. Mr. Glenn Ballard was named Headmaster. The Pre–Kindergarten class was added. Although the Lower School was well-established, no pre-school classes were offered at Hockaday until this time. And Ed Long began teaching at Hockaday.