On her way to CIF Western League MVP honors, McEwen registered a career-high .521 batting average and helped lead Patrick Henry (Ca.) High School to its second-consecutive CIF Division I runner-up finish. A multiple-time league honoree and three-time league champion with Patrick Henry, McEwen finished her career with a .463 batting average, 187 hits—64 extra-base hits—and 156 runs scored. She had 50 or more hits in each of her last two seasons including 2016 when she was the All-Eastern League Player of the Year.
Hannah is the daughter of Alana Massey and Craig McEwen. Like fellow 2017 signee Kayla Green and current Razorback Autumn Storms, she played travel ball with the So Cal Athletics organization. McEwen is planning to major in early childhood education at Arkansas.