Cynthia Janssen Lewis graduate in 1993 and was a four time varsity letter winner for the Oak Hills Swim Team. To date, she is one of the most decorated student athletes in Oak Hills history. Over her four year career at Oak Hills her accomplishments include a six sectional champion relays and two individual sectional championships, six district champion relays, and one individual district championship and 2nd district runner up championships. Also, she was a four state championship, including two state records and one national ranking, two state runner up finishes, and three state placing finishes. Cynthia was named a High School All American each of her four years of high school. These accomplishments earned Cynthia a full scholarship to Arizona State University. Cynthia was a part of the NCAA Division I championship in 1994 and 1995. After her college career ended she has gone on to continue her swimming by being a United States Master Swimming National Champion twenty-six times and a Masters Swimming National Record Holder. In the past four years Cynthia has been ranked in the Masters Swimming World Rankings nine times. In 2003 she won both the Los Angles Triathlon and the Great Clermont Triathlon. 

Kim Fritsch Morstadt is a 1990 Oak Hills graduate who was a standout swimmer for the Highlanders. She is a three time state qualifier finishing 2nd in the butterfly and the free relay and was crowned a state champion in the medley relay. Kim was a captain of the 1990 team that finished as Ohio State Runner Up. After her career at Oak Hills, Kim was awarded a swimming scholarship to Purdue University. While at Purdue she was a three time All American, two time Big Ten Champion and finished in 3rd place at the 1994 NCAA finals - the highest finish for any female swimmer in Purdue history. When she graduated from Purdue, Kim held eight school records. She has continued to stay involved in the sport of swimming, recently coaching the youngest Cincinnati Marlin swimmers for the past three years. She is also the Chair for the Ohio Swimming Outreach Program. The program provides competitive swimming opportunities to the underrepresented and economically disadvantaged youth in the state. 

Kim Rhodenbaugh-Macklin was a class of 1984 graduate of Oak Hills High School, and a 3-year Varsity Swimmer. While at Oak Hills, she became one of the most decorated athletes in Oak Hill’s history. From 1982-1984, she was an Individual League Champion, received All-City Honors, and was District, Regional, and State Champion in the 100m Breaststroke and 200m Individual Medley. She also earned All-American Honors during the 1982-1984 seasons as well. Kim was a member of the 1984 Olympic Team and was recognized as the Wheaties Box Champion. She concluded her Highlander career as the State and National Record Holder for the 100m Breaststroke and 200m Individual Medley.

Melissa Beck Yeazell is a 1997 graduate of Oak Hills. During her career at Oak Hills she was a three year varsity letter winner in golf and a four year varsity letter winner in swimming. In 1996 Oak Hills did not have a girl's golf team so Melissa played with the boys during the season and then competed with the girls in the state tournament. She was a three time All City golfer. Her high school career was highlighted in 1996 when she won regionals and went on to finish third at state. Later that year she was included in Sports Illustrated "Faces in the Crowd". To date, she is Oak Hills only female state participant. After high school, Melissa went on to play golf at Xavier University, earning team captain status her junior and senior year. During that time she was crowned four time Cincinnati Women's Public Links Champion and 2 time Greater Cincinnati Women's Amateur Invitational Champion. After her collegiate career, Melissa was awarded a PGA Apprentice Scholarship. Finally, in 2005 Melissa was named the Southern Ohio PGA Female Player of the Year.