Flipping Into Fall: SJV’s Grace Costello Preps For Upcoming High School Gymnastics Season Gallery Flipping Into Fall: SJV’s Grace Costello Preps For Upcoming High School Gymnastics Season AA-Main Story Section, Feature Stories, Howell High School, St. John Vianney, St. John Vianney High School Flipping Into Fall: SJV’s Grace Costello Preps For Upcoming High School Gymnastics Season Grace Costello competes for St. John Vianney's high school gymnastics team and Head Over Heels as a Level 10 USAG [...] Flipping Into Fall: SJV’s Grace Costello Preps For Upcoming High School Gymnastics Seasonrchrampanis2019-07-25T23:28:57-04:00