The daughter of a deputy, who was a standout student and an amazing athlete, was among those killed inside Robb Elementary School earlier this week. Like many parents, Uvalde County Sheriffs Deputy Felix Rubio and his wife, Kimberly Rubio, joined their daughter Lexi to celebrate students’ accomplishments during a year-end ceremony held Tuesday. Their 10-year-old was recognized for getting straight-A’s, and she also earned a good citizenship award, her parents told CNN. “We told her we loved her and would pick her up after school,” Kimberly Rubio wrote in a post on Facebook. “We had no idea thi…