[4] Daughter of Mike and Amy Parratto, Jessica and her sister Melissa grew up in Dover, New Hampshire.

Her mother Amy was a five-time All American diver at Wellesley College and coached Jessica until the age of 14.

In the individual 10 meter platform event Parratto placed 10th with a score of 334.60 points.

In the synchronized 10 meter platform dive event Parratto and her partner Amy Cozad took 7th place with a score of 301.02 points.

[6] Parratto then competed in the Synchronized Women's 10 meter event with Delaney Schnell, winning the silver medal.