Before Union: Schneider prepped at Northwest High School in Cedar Hill, Missouri, where she ran four seasons of cross country. She was named Sophomore of the Year during her sophomore year. Schneider was also named Senior of the Year during her senior season. Schneider ran her personal best in the 5k with a time of 23:20. Schneider also excelled int the classroom where she was on the Honor Roll and a member of Who's Who Among American High School Students. Schneider also earned a superior rating from the National Federation of Music.